PROK / ProKidney Corp. - SEC-arkivering, Årsberetning, Fuldmagtserklæring

ProKidney Corp.
US ˙ NasdaqCM ˙ KYG7S53R1049

Grundlæggende statistik
CIK 1850270
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to ProKidney Corp.
SEC Filings (Chronological Order)
Denne side giver en komplet, kronologisk liste over SEC-arkiveringer, eksklusive ejerskabsregistreringer, som vi leverer andre steder.
May 29, 2026 8-K

FORM 8-K Item 5.07 Submission of Matters to a Vote of Security Holders.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 28, 2026 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Delaware 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

May 15, 2026 8-K

FORM 8-K Item 2.02 Results of Operations and Financial Condition. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 15, 2026 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Delaware 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

May 15, 2026 EX-99.1

ProKidney Reports First Quarter 2026 Financial Results and Business Highlights

Exhibit 99.1 ProKidney Reports First Quarter 2026 Financial Results and Business Highlights • On track to complete enrollment for the Phase 3 PROACT 1 accelerated approval analysis of rilparencel in mid-2026; anticipate pivotal topline results in Q2 2027 • Peer-reviewed results from the Phase 2 REGEN-007 study were published in the Clinical Journal of the American Society of Nephrology (CJASN) in

May 15, 2026 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2026 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-40560 ProKidney Corp.

May 15, 2026 EX-99.2

This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. ProKidney’s actual results may differ from its expectations, estimates and projections

Transforming the Future of Chronic Kidney Disease Treatment Corporate Presentation May 2026 Preserving Kidney Function in Patients at High Risk of Kidney Failure Exhibit 99.

April 17, 2026 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.   )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.   ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Def

April 17, 2026 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.   )

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.   ) Filed by the Registrant ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box:  ☐ Preliminary Proxy Statement  ☐ Confidential, for Use of the Commission Only (as permitted by Ru

April 17, 2026 ARS

ARS

ProKidney Corp. 2025 Annual Report Dear Stockholders, As we gather for the 2026 Annual MeeƟ ng, I am pleased to reŇ ect on a transformaƟ ve year for ProKidney. In 2025, we achieved pivotal milestones that strengthened rilparencel’s clinical foundaƟ on, advanced our regulatory strategy, and posiƟ oned the company for meaningful progress in the years ahead. Last year, we delivered posiƟ ve Phase 2 R

March 18, 2026 EX-10.11

PROKIDNEY CORP. NON-EMPLOYEE DIRECTOR COMPENSATION POLICY

Exhibit 10.11 PROKIDNEY CORP. NON-EMPLOYEE DIRECTOR COMPENSATION POLICY The Board of Directors (the “Board”) of ProKidney Corp. (the “Company”) has approved the following Non-Employee Director Compensation Policy (this “Policy”) to provide an inducement to obtain and retain the services of qualified persons to serve as members of the Company’s Board. The Policy establishes compensation to be paid

March 18, 2026 EX-FILING FEES

Calculation of Filing Fee Table Form S-8 (Form Type) ProKidney Corp. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities

Exhibit 107 Calculation of Filing Fee Table Form S-8 (Form Type) ProKidney Corp. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Class A Common Stock, $0.0001 par va

March 18, 2026 EX-10.25

No claim for a breach of any representation, warranty, indemnity, covenant or other agreement of Seller under or pursuant to this Agreement including, without limitation, any instrument delivered to Buyer under or pursuant to this Agreement shall be

Exhibit 10.25 PURCHASE AND SALE AGREEMENT (7901 Indlea Point, Colfax, North Carolina) THIS PURCHASE AND SALE AGREEMENT (“Agreement”) is made and entered into this 17th day of October, 2025 (the “Effective Date”), by and between NORTHPOINT DEVELOPMENT, LLC, a Delaware limited liability company, with an address at 3315 N. Oak Trafficway, Kansas City, MO 64116 (hereinafter referred to as “Buyer”), an

March 18, 2026 S-8

As filed with the Securities and Exchange Commission on March 18, 2025

As filed with the Securities and Exchange Commission on March 18, 2025 Registration No.

March 18, 2026 10-K

Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations. Overview Other Trends and Uncertainties Financial Operations Overview Results of Operations Critical Accounting Policies and Significant Judgments and Esti

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-40560 ProKidney Corp.

March 18, 2026 EX-21.1

Subsidiaries of the Registrant

Exhibit 21.1 Subsidiaries of the Registrant Entity Name Jurisdiction of Organization ProKidney Holdings, LLC Delaware ProKidney Intermediate Holdings, LLC Delaware ProKidney IPCo, LLC Delaware ProKidney, LLC Delaware ProKidney Acquisition Company, LLC Delaware ProKidney Acquisition Company II, LLC Delaware

March 18, 2026 EX-10.6

PROKIDNEY SHORT TERM INCENTIVE PERFORMANCE PLAN TERMS AND CONDITIONS

Exhibit 10.6 PROKIDNEY SHORT TERM INCENTIVE PERFORMANCE PLAN TERMS AND CONDITIONS 1. Plan Overview ProKidney’s Short Term Incentive Performance Plan (the “STI Plan”) is an annual bonus plan for all persons employed by ProKidney or its direct or indirect subsidiaries (collectively, the “Company”) on a regular basis who are in a position to make positive contributions to the Company (“Employees”), t

March 18, 2026 EX-4.1

DESCRIPTION OF REGISTERED SECURITIES

Exhibit 4.1 DESCRIPTION OF REGISTERED SECURITIES ProKidney Corp. (the “Company,” “we,” “our,” or “us”) has one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: our Class A common stock, par value $0.0001 per share (the “Class A Common Stock”). In addition, this Description of Registered Securities also contains a description of the Company’s Class

March 18, 2026 8-K

FORM 8-K Item 2.02 Results of Operations and Financial Condition. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 18, 2026 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Delaware 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission File Num

March 18, 2026 EX-99.1

ProKidney Reports Full Year 2025 Financial Results and Business Highlights

Exhibit 99.1 ProKidney Reports Full Year 2025 Financial Results and Business Highlights • On track to complete enrollment for the Phase 3 PROACT 1 accelerated approval analysis of rilparencel in mid-2026; anticipate pivotal topline results in Q2 2027 • In a July 2025 Type B meeting, aligned with FDA on the accelerated approval pathway for rilparencel using eGFR slope as the surrogate endpoint • Pr

February 2, 2026 8-K

FORM 8-K Item 7.01 Regulation FD Disclosure. Item 8.01 Other Events. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 02, 2026 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Delaware 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission File

February 2, 2026 EX-99.1

This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. ProKidney’s actual results may differ from its expectations, estimates and projections

Transforming the Future of Chronic Kidney Disease Treatment Corporate Presentation February 2026 Preserving Kidney Function in Patients at High Risk of Kidney Failure Exhibit 99.

January 12, 2026 EX-99.1

This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. ProKidney’s actual results may differ from its expectations, estimates and projections

Transforming the Future of Chronic Kidney Disease Treatment Corporate Presentation January 2026 Preserving Kidney Function in Patients at High Risk of Kidney Failure Exhibit 99.

January 12, 2026 8-K

FORM 8-K Item 7.01 Regulation FD Disclosure. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 12, 2026 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Delaware 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission File N

November 10, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-40560 ProKidney Corp.

November 10, 2025 8-K

FORM 8-K Item 2.02 Results of Operations and Financial Condition. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 10, 2025 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Delaware 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission File

November 10, 2025 EX-99.1

ProKidney Reports Third Quarter 2025 Financial Results and Provides Regulatory and Clinical Updates

Exhibit 99.1 ProKidney Reports Third Quarter 2025 Financial Results and Provides Regulatory and Clinical Updates • Full results from the Phase 2 REGEN-007 study of rilparencel were recently presented as a late-breaking clinical trial at the American Society of Nephrology (ASN) Kidney Week 2025 • More than half of the patients required for the Phase 3 REGEN-006 (PROACT 1) accelerated approval analy

November 5, 2025 DEL AM

November 4, 2025

November 4, 2025 VIA EDGAR U.S. Securities and Exchange Commission Division of Investment Management 100 F Street, NE Washington, DC 20549 Re: ProKidney Corp. (the “Company”) Post-Effective Amendment No. 3 to Registration Statement on Form S-1 on Form S-3; File No. 333-266683 Ladies and Gentlemen: Pursuant to Rule 473(c) of the Securities Act of 1933 (the “Act”), the following delaying amendment,

October 21, 2025 POS AM

As filed with the U.S. Securities and Exchange Commission on October 21, 2025

TABLE OF CONTENTS As filed with the U.S. Securities and Exchange Commission on October 21, 2025 Registration No. 333-266683 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Post-Effective Amendment No. 3 to FORM S-1 ON FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ProKidney Corp. (Exact name of registrant as specified in its charter)         Delaware     9

October 17, 2025 8-K

FORM 8-K Item 1.01 Entry into a Material Definitive Agreement.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 17, 2025 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Delaware 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission File N

August 12, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-40560 ProKidney Corp.

August 12, 2025 8-K

FORM 8-K Item 2.02 Results of Operations and Financial Condition. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 12, 2025 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Delaware 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission File Nu

August 12, 2025 EX-99.1

ProKidney Reports Second Quarter 2025 Financial Results and Provides Regulatory and Clinical Updates

Exhibit 99.1 ProKidney Reports Second Quarter 2025 Financial Results and Provides Regulatory and Clinical Updates • FDA confirmed at a July 2025 Type B meeting and in the subsequent meeting minutes that eGFR slope is an acceptable surrogate endpoint for accelerated approval of rilparencel in patients with type 2 diabetes and advanced CKD; FDA also confirmed that the ongoing Phase 3 PROACT 1 study

August 12, 2025 EX-10.10

Employment Agreement, dated as of May 9, 2025 by and between Todd Girolamo and ProKidney, LLC.

Exhibit 10.10 May 9, 2025 Todd Girolamo 8 Lauren Ln Bayville, NY 11709-1309 Dear Todd: 1. This letter agreement (this “Agreement”) sets forth the terms and conditions of your continued employment with ProKidney, LLC, a Delaware limited liability company (the “Company”) as of May 9, 2025 (the “Effective Date”). The period during which you are employed by the Company pursuant to this Agreement shall

August 12, 2025 EX-10.11

Employment Agreement, dated as of June 11, 2025 by and between Darin Weber and ProKidney, LLC.

Exhibit 10.11 June 11, 2025 Darin Weber 27061 7th Pl S Des Moines, WA 98198-9306 Dear Darin: 1. This letter agreement (this “Agreement”) sets forth the terms and conditions of your continued employment with ProKidney, LLC, a Delaware limited liability company (the “Company”) as of June 11, 2025 (the “Effective Date”). The period during which you are employed by the Company pursuant to this Agreeme

August 12, 2025 EX-10.8

Employment Agreement, dated as of May 12, 2025 by and between Bruce Culleton, M.D. and ProKidney, LLC.

Exhibit 10.8 May 12, 2025 Bruce Culleton, MD 22 Edmunds Rd Wellesley, MA 02481 Dear Bruce: This letter agreement (this “Agreement”) sets forth the terms and conditions of your continued employment with ProKidney, LLC, a Delaware limited liability company (the “Company”) as of May 12, 2025 (the “Effective Date”). The period during which you are employed by the Company pursuant to this Agreement sha

August 12, 2025 EX-10.9

Employment Agreement, dated as of May 12, 2025 by and between James Coulston and ProKidney, LLC.

Exhibit 10.9 May 9, 2025 James Coulston 409 Susanna Dr. Kernersville, NC 27284 Dear James: 1. This letter agreement (this “Agreement”) sets forth the terms and conditions of your continued employment with ProKidney, LLC, a Delaware limited liability company (the “Company”) as of May 9, 2025 (the “Effective Date”). The period during which you are employed by the Company pursuant to this Agreement s

July 16, 2025 8-K12B/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 1, 2025 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Delaware 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Com

July 15, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 15, 2025 PROKIDNEY CORP. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 15, 2025 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Delaware 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission File Numb

July 15, 2025 EX-99.1

ProKidney Announces Alignment with the FDA on the Accelerated Approval Pathway for Rilparencel

EX-99.1 Exhibit 99.1 ProKidney Announces Alignment with the FDA on the Accelerated Approval Pathway for Rilparencel • FDA confirmed that eGFR slope is an acceptable surrogate endpoint for accelerated approval of rilparencel in patients with CKD and type 2 diabetes • FDA also confirmed that the ongoing Phase 3 PROACT 1 study can be used for both accelerated approval and for full approval • Nearly h

July 15, 2025 EX-99.2

This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. ProKidney’s actual results may differ from its expectations, estimates and projections

EX-99.2 March 2024 July 2025 Corporate Presentation Exhibit 99.2 This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. ProKidney’s actual results may differ from its expectations, estimates and projections and consequently, you should not rely on these forward-looking statements as predict

July 14, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 14, 2025 PROKIDNEY CORP. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 14, 2025 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Delaware 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission File Numb

July 14, 2025 424B5

Up to $200,000,000 Class A Common Stock

TABLE OF CONTENTS Filed Pursuant to Rule 424(b)(5) Registration No. 333-275701 PROSPECTUS SUPPLEMENT (To Prospectus Dated July 7, 2025)   Up to $200,000,000   Class A Common Stock We have entered into an Open Market Sale Agreement (the “Sales Agreement”) with Jefferies LLC (“Jefferies”) relating to our Class A common stock, par value $0.0001 per share, offered by this prospectus supplement. In acc

July 14, 2025 EX-1.1

Open Market Sale AgreementSM dated July 14, 2025, by and between ProKidney Corp. and Jefferies LLC

Exhibit 1.1 OPEN MARKET SALE AGREEMENTSM July 14, 2025 JEFFERIES LLC 520 Madison Avenue New York, New York 10022 Ladies and Gentlemen: ProKidney Corp., a Delaware corporation (the “Company”), proposes, subject to the terms and conditions stated herein, to issue and sell from time to time through Jefferies LLC, as sales agent and/or principal (the “Agent”), shares of the Company’s Class A common st

July 8, 2025 EX-99.1

ProKidney Reports Statistically and Clinically Significant Topline Results for the Phase 2 REGEN-007 Trial Evaluating Rilparencel in Patients with Chronic Kidney Disease and Diabetes

Exhibit 99.1 ProKidney Reports Statistically and Clinically Significant Topline Results for the Phase 2 REGEN-007 Trial Evaluating Rilparencel in Patients with Chronic Kidney Disease and Diabetes • Full results from REGEN-007 are being held and will be submitted to the American Society of Nephrology 2025 Kidney Week as a late-breaking clinical trial • In Group 1 (n=24), kidney function stabilized

July 8, 2025 8-K

FORM 8-K Item 7.01 Regulation FD Disclosure. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 08, 2025 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Delaware 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission File Numb

July 8, 2025 EX-99.2

This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. ProKidney’s actual results may differ from its expectations, estimates and projections

March 2024 July 2025 Corporate Presentation Exhibit 99.2 This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. ProKidney’s actual results may differ from its expectations, estimates and projections and consequently, you should not rely on these forward-looking statements as predictions of

July 7, 2025 EX-4.4

PROKIDNEY CORP. [ ] Trustee Dated as of [ ] Subordinated Debt Securities TABLE OF CONTENTS1

Exhibit 4.4 PROKIDNEY CORP. Issuer AND [ ] Trustee INDENTURE Dated as of [ ] Subordinated Debt Securities TABLE OF CONTENTS1 Page ARTICLE I DEFINITIONS 1 SECTION 1.01 Definitions of Terms. 1 ARTICLE II ISSUE, DESCRIPTION, TERMS, EXECUTION, REGISTRATION AND EXCHANGE OF SECURITIES 5 SECTION 2.01 Designation and Terms of Securities. 5 SECTION 2.02 Form of Securities and Trustee’s Certificate. 7 SECTI

July 7, 2025 POS AM

As filed with the Securities and Exchange Commission on July 3, 2025

As filed with the Securities and Exchange Commission on July 3, 2025 Registration No.

July 7, 2025 EX-4.3

PROKIDNEY CORP. [ ] Trustee Dated as of [ ] Senior Debt Securities TABLE OF CONTENTS1

Exhibit 4.3 PROKIDNEY CORP. Issuer AND [ ] Trustee INDENTURE Dated as of [ ] Senior Debt Securities TABLE OF CONTENTS1 Page ARTICLE I DEFINITIONS 1 SECTION 1.01 Definitions of Terms. 1 ARTICLE II ISSUE, DESCRIPTION, TERMS, EXECUTION, REGISTRATION AND EXCHANGE OF SECURITIES 5 SECTION 2.01 Designation and Terms of Securities. 5 SECTION 2.02 Form of Securities and Trustee’s Certificate. 7 SECTION 2.0

July 7, 2025 EX-21.1

Subsidiaries of the Registrant

Exhibit 21.1 Subsidiaries of the Registrant Entity Name Jurisdiction of Organization ProKidney IPCo, LLC Delaware ProKidney Holdings, LLC Delaware ProKidney, LLC (f/k/a Twin City Bio LLC) Delaware ProKidney Acquisition Company, LLC Delaware ProKidney Acquisition Company II, LLC Delaware

July 3, 2025 EX-10.3

Amended and Restated Exchange Agreement, dated July 1, 2025, by and among ProKidney, ProKidney Holdings, LLC and the other members of ProKidney Holdings, LLC party thereto (incorporated by reference to Exhibit 10.3 of the Company's Current Report on Form 8-K12B, filed on July 3, 2025 (File No. 0.001-40560)).

Exhibit 10.3 Execution Version AMENDED AND RESTATED EXCHANGE AGREEMENT THIS AMENDED AND RESTATED EXCHANGE AGREEMENT (this “Agreement”), dated as of July 1, 2025, by and among ProKidney Corp., a Delaware corporation (the “Company”), ProKidney Holdings, LLC, a limited liability company organized under the laws of Delaware (“Holdings”), and the holders, other than the Company, of Common Units (as def

July 3, 2025 POS AM

As filed with the Securities and Exchange Commission on July 3, 2025

As filed with the Securities and Exchange Commission on July 3, 2025 Registration No.

July 3, 2025 S-8 POS

As filed with the Securities and Exchange Commission on July 3, 2025

S-8 POS 1 ef20051375s8pos.htm S-8 POS As filed with the Securities and Exchange Commission on July 3, 2025 Registration No. 333-267414 Registration No. 333-270920 Registration No. 333-278176 Registration No. 333-285975 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 to FORM S-8 REGISTRATION STATEMENT Under THE SECURITIES ACT OF 1933 ProKidney

July 3, 2025 EX-10.4

First Amendment to the ProKidney Corp. Employee Stock Purchase Plan (incorporated by reference to Exhibit 10.4 of the Company's Current Report on Form 8-K12B, filed on July 3, 2025 (File No. 0.001-40560)).

Exhibit 10.4 FIRST AMENDMENT TO THE PROKIDNEY CORP. EMPLOYEE STOCK PURCHASE PLAN This first amendment (this “Amendment”), effective as of July 1, 2025 (the “Effective Date”), is entered into by ProKidney Corp., a Delaware corporation (the “Company”) and, before changing its jurisdiction of incorporation from Cayman Islands to the State of Delaware by deregistering as an exempted limited company in

July 3, 2025 EX-10.5

First Amendment to the ProKidney Corp. 2022 Incentive Equity Plan (incorporated by reference to Exhibit 10.5 of the Company's Current Report on Form 8-K12B, filed on July 3, 2025 (File No. 0.001-40560)).

Exhibit 10.5 FIRST AMENDMENT TO THE PROKIDNEY CORP. 2022 INCENTIVE EQUITY PLAN This first amendment (this “Amendment”), effective as of July 1, 2025 (the “Effective Date”), is entered into by ProKidney Corp., a Delaware corporation (the “Company”) and, before changing its jurisdiction of incorporation from Cayman Islands to the State of Delaware by deregistering as an exempted limited company in t

July 3, 2025 EX-10.7

Second Amended and Restated Limited Liability Company Agreement of ProKidney Holdings, dated July 1, 2025, by and among the members and managers party thereto (incorporated by reference to Exhibit 10.7 of the Company's Current Report on Form 8-K12B, filed on July 3, 2025 (File No. 0.001-40560)).

Exhibit 10.7 SECOND AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT OF PROKIDNEY HOLDINGS, LLC a Delaware limited liability company Dated as of July 1, 2025 THE LIMITED LIABILITY COMPANY UNITS OF PROKIDNEY HOLDINGS, LLC HAVE NOT BEEN REGISTERED UNDER THE U.S. SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), THE SECURITIES LAWS OF ANY STATE OR OTHER JURISDICTION OR ANY OTHER APPL

July 3, 2025 EX-10.1

Amended and Restated Tax Receivable Agreement, dated July 1, 2025, by and among ProKidney and the TRA Parties (as defined therein) (incorporated by reference to Exhibit 10.1 of the Company's Current Report on Form 8-K12B, filed on July 3, 2025 (File No. 0.001-40560)).

Exhibit 10.1 Execution Version AMENDED AND RESTATED TAX RECEIVABLE AGREEMENT among PROKIDNEY CORP., TRA PARTY REPRESENTATIVE and THE PERSONS NAMED HEREIN Dated as of July 1, 2025 AMENDED AND RESTATED TAX RECEIVABLE AGREEMENT This AMENDED AND RESTATED TAX RECEIVABLE AGREEMENT (this “Agreement”), dated as of July 1, 2025, is hereby entered into by and among ProKidney Corp., a Delaware corporation (“

July 3, 2025 S-8 POS

As filed with the Securities and Exchange Commission on July 3, 2025

S-8 POS 1 ef20051375s8pos.htm S-8 POS As filed with the Securities and Exchange Commission on July 3, 2025 Registration No. 333-267414 Registration No. 333-270920 Registration No. 333-278176 Registration No. 333-285975 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 to FORM S-8 REGISTRATION STATEMENT Under THE SECURITIES ACT OF 1933 ProKidney

July 3, 2025 EX-3.3

Certificate of Corporate Domestication of ProKidney (incorporated by reference to Exhibit 3.3 of the Company's Current Report on Form 8-K12B, filed on July 3, 2025 (File No. 0.001-40560)).

Exhibit 3.3 CERTIFICATE OF CORPORATE DOMESTICATION OF PROKIDNEY CORP. Pursuant to Section 388 of the General Corporation Law of the State of Delaware ProKidney Corp., presently a Cayman Islands exempted company limited by shares (the “Company”), DOES HEREBY CERTIFY: 1. The Company was first incorporated on February 25, 2021 under the laws of the Cayman Islands. 2. The name of the Company immediate

July 3, 2025 S-8 POS

As filed with the Securities and Exchange Commission on July 3, 2025

S-8 POS 1 ef20051375s8pos.htm S-8 POS As filed with the Securities and Exchange Commission on July 3, 2025 Registration No. 333-267414 Registration No. 333-270920 Registration No. 333-278176 Registration No. 333-285975 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 to FORM S-8 REGISTRATION STATEMENT Under THE SECURITIES ACT OF 1933 ProKidney

July 3, 2025 EX-10.2

Amended and Restated Lock-Up Agreement, dated July 1, 2025, by and among ProKidney and certain of the ProKidney Holders (as defined therein) (incorporated by reference to Exhibit 10.2 of the Company's Current Report on Form 8-K12B, filed on July 3, 2025 (File No. 0.001-40560)).

Exhibit 10.2 Execution Version AMENDED AND RESTATED LOCK-UP AGREEMENT THIS AMENDED AND RESTATED LOCK-UP AGREEMENT (this “Agreement”) is made and entered into as of July 1, 2025, by ProKidney Corp., a Delaware corporation (the “Company”), and certain ProKidney Holders (as defined below) who are equityholders of ProKidney Holdings, LLC, a Delaware limited liability company (“ProKidney”). WHEREAS, th

July 3, 2025 S-8 POS

As filed with the Securities and Exchange Commission on July 3, 2025

S-8 POS 1 ef20051375s8pos.htm S-8 POS As filed with the Securities and Exchange Commission on July 3, 2025 Registration No. 333-267414 Registration No. 333-270920 Registration No. 333-278176 Registration No. 333-285975 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 to FORM S-8 REGISTRATION STATEMENT Under THE SECURITIES ACT OF 1933 ProKidney

July 3, 2025 EX-3.2

Bylaws of ProKidney (incorporated by reference to Exhibit 3.2 of the Company's Current Report on Form 8-K12B, filed on July 3, 2025 (File No. 0.001-40560)).

Exhibit 3.2 BY-LAWS of PROKIDNEY CORP. (A Delaware Corporation) July 1, 2025 TABLE OF CONTENTS Page ARTICLE 1 Definitions 1 ARTICLE 2 Stockholders 3 Section 2.01. Place of Meetings 3 Section 2.02. Annual Meetings; Stockholder Proposals. 3 Section 2.03. Special Meetings 6 Section 2.04. Record Date. 7 Section 2.05. Notice of Meetings of Stockholders 8 Section 2.06. Waivers of Notice 8 Section 2.07.

July 3, 2025 EX-3.1

Certificate of Incorporation of ProKidney (incorporated by reference to Exhibit 3.1 of the Company's Current Report on Form 8-K12B, filed on July 3, 2025 (File No. 0.001-40560)).

Exhibit 3.1 CERTIFICATE OF INCORPORATION of PROKIDNEY CORP. The undersigned, for the purposes of incorporating and organizing a corporation under the General Corporation Law of the State of Delaware (as from time to time in effect, the “General Corporation Law”), does execute this Certificate of Incorporation and hereby certifies as follows: 1. Name. The name of the Corporation is ProKidney Corp.

July 3, 2025 EX-4.2

Stock Certificate for Class B Common Stock ProKidney (incorporated by reference to Exhibit 4.2 of the Company's Current Report on Form 8-K12B, filed on July 3, 2025 (File No. 0.001-40560)).

Exhibit 4.2 NUMBER CB*0* *** SHARES SEE REVERSE FOR CERTAIN DEFINITIONS CUSIP PROKIDNEY CORP. INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE CLASS B COMMON STOCK $0.0001 PAR VALUE This Certifies that is the owner of fully paid and non-assessable shares of Class B common stock of the par value of $0.0001 each of PROKIDNEY CORP., a Delaware corporation (the “Company”), transferable on the book

July 3, 2025 EX-4.1

Stock Certificate for Class A Common Stock ProKidney (incorporated by reference to Exhibit 4.1 of the Company's Current Report on Form 8-K12B, filed on July 3, 2025 (File No. 0.001-40560)).

Exhibit 4.1 NUMBER CA*0* *** SHARES SEE REVERSE FOR CERTAIN DEFINITIONS CUSIP PROKIDNEY CORP. INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE CLASS A COMMON STOCK $0.0001 PAR VALUE This Certifies that is the owner of fully paid and non-assessable shares of Class A common stock of the par value of $0.0001 each of PROKIDNEY CORP., a Delaware corporation (the “Company”), transferable on the book

July 3, 2025 8-K12B

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 1, 2025 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Delaware 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

July 3, 2025 EX-10.6

Form of Indemnification Agreement, dated July 1, 2025, by and among ProKidney and its directors and officers (incorporated by reference to Exhibit 10.6 of the Company's Current Report on Form 8-K12B, filed on July 3, 2025 (File No. 0.001-40560)).

Exhibit 10.6 Execution Version FORM OF INDEMNITY AGREEMENT THIS INDEMNITY AGREEMENT (this “Agreement”) is made as of July 1, 2025, by and between ProKidney Corp., a Delaware corporation (the “Company”), and (“Indemnitee”). RECITALS WHEREAS, highly competent persons have become increasingly reluctant to serve publicly-held corporations as directors, officers or in other capacities unless they are p

July 1, 2025 EX-99.1

ProKidney Corp. Completes Domestication from the Cayman Islands to Delaware

Exhibit 99.1 ProKidney Corp. Completes Domestication from the Cayman Islands to Delaware WINSTON-SALEM, N.C., July 1, 2025 – ProKidney Corp. (Nasdaq: PROK) (“ProKidney” or the “Company"), a leading late clinical-stage cellular therapeutics company focused on chronic kidney disease (CKD), today announced the completion of the domestication process to change the jurisdiction of incorporation of the

July 1, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 1, 2025 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Delaware 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

May 30, 2025 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 29, 2025 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission File

May 12, 2025 EX-99.1

ProKidney Reports First Quarter 2025 Financial Results and Business Highlights

Exhibit 99.1 ProKidney Reports First Quarter 2025 Financial Results and Business Highlights • Full data from Group 1 in the Phase 2 REGEN-007 study expected in Q2 2025 • FDA previously confirmed in a Q4 2024 Type B meeting that the accelerated approval pathway is available for rilparencel; additional details on the accelerated pathway are expected in mid-2025 after our planned Type B meeting with

May 12, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-40560 ProKidney Corp.

May 12, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 12, 2025 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission File

April 28, 2025 ARS

ARS

ProKidney Corp. 2024 Annual Report Dear Shareholders, As we come together for the 2025 Annual General MeeƟ ng, I’m proud to reŇ ect on the meaningful progress ProKidney has made over the past year. When I addressed you in 2024, we were navigaƟ ng a pivotal phase of transiƟ on and strategic realignment. Today, I’m pleased to report that the steps we took are driving momentum across several criƟ cal

April 28, 2025 424B3

PROXY STATEMENT FOR ANNUAL GENERAL MEETING PROSPECTUS FOR UP TO 292,707,888 SHARES OF CLASS A COMMON STOCK AND CLASS B COMMON STOCK, IN EACH CASE OF PROKIDNEY CORP. AFTER ITS DOMESTICATION AS A CORPORATION INCORPORATED IN THE STATE OF DELAWARE 2000 F

TABLE OF CONTENTS Filed Pursuant to Rule 424(b)(3) Registration No. 333-286278   PROXY STATEMENT FOR ANNUAL GENERAL MEETING PROSPECTUS FOR UP TO 292,707,888 SHARES OF CLASS A COMMON STOCK AND CLASS B COMMON STOCK, IN EACH CASE OF PROKIDNEY CORP. AFTER ITS DOMESTICATION AS A CORPORATION INCORPORATED IN THE STATE OF DELAWARE 2000 Frontis Plaza Blvd., Suite 250 Winston-Salem, NC 27103 April 28, 2025

April 24, 2025 CORRESP

[Signature Page Follows]

April 24, 2025 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Finance 100 F Street, N.E. Washington, D.C. 20549 Re: ProKidney Corp. Registration Statement on Form S-4 Filed March 31, 2025 Registration No. 333-286278 Ladies and Gentlemen: In accordance with Rule 461 of Regulation C of the General Rules and Regulations under the Securities Act of 1933, as

April 4, 2025 LETTER

LETTER

April 4, 2025 Bruce Culleton, M.D. Chief Executive Officer and Director ProKidney Corp. 2000 Frontis Plaza Blvd, Suite 250 Winston-Salem, NC 27103 Re: ProKidney Corp. Registration Statement on Form S-4 Filed March 31, 2025 File No. 333-286278 Dear Bruce Culleton M.D.: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461

March 31, 2025 EX-FILING FEES

Calculation of Filing Fee Table Form S-4 (Form Type) ProKidney Corp. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Table Form S-4 (Form Type) ProKidney Corp. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered(2) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price(2) Fee Rate Amount of Registration Fee Ne

March 31, 2025 EX-21.1

Subsidiaries of the Registrant

Exhibit 21.1 Subsidiaries of the Registrant Entity Name Jurisdiction of Organization ProKidney Corp. GP Limited Ireland ProKidney LP Ireland ProKidney (f/k/a RegenMed (Cayman) Ltd.) Cayman Islands ProKidney, LLC (f/k/a Twin City Bio LLC) Delaware ProKidney Acquisition Company, LLC Delaware ProKidney Acquisition Company II, LLC Delaware

March 31, 2025 EX-99.1

Exhibit 99.1      

March 31, 2025 EX-4.1

PROKIDNEY CORP. INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE CLASS A COMMON STOCK $0.0001 PAR VALUE

Exhibit 4.1 NUMBER CA*0* SEE REVERSE FOR CERTAIN DEFINITIONS *** SHARES CUSIP PROKIDNEY CORP. INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE CLASS A COMMON STOCK $0.0001 PAR VALUE This Certifies that is the owner of fully paid and non-assessable shares of Class A common stock of the par value of $0.0001 each of PROKIDNEY CORP., a Delaware corporation (the “Company”), transferable on the book

March 31, 2025 EX-4.2

PROKIDNEY CORP. INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE CLASS B COMMON STOCK $0.0001 PAR VALUE

Exhibit 4.2 NUMBER CB*0* SEE REVERSE FOR CERTAIN DEFINITIONS *** SHARES CUSIP PROKIDNEY CORP. INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE CLASS B COMMON STOCK $0.0001 PAR VALUE This Certifies that is the owner of fully paid and non-assessable shares of Class B common stock of the par value of $0.0001 each of PROKIDNEY CORP., a Delaware corporation (the “Company”), transferable on the book

March 31, 2025 S-4

As filed with the United States Securities and Exchange Commission on March 31, 2025

TABLE OF CONTENTS As filed with the United States Securities and Exchange Commission on March 31, 2025 Registration No.

March 20, 2025 S-8

As filed with the Securities and Exchange Commission on March 20, 2025

As filed with the Securities and Exchange Commission on March 20, 2025 Registration No.

March 20, 2025 EX-FILING FEES

Calculation of registration fee

Exhibit 107 Calculation of Filing Fee Table Form S-8 (Form Type) ProKidney Corp. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Class A Ordinary Shares, $0.0001 par

March 17, 2025 EX-21.1

Subsidiaries of the Registrant

Exhibit 21.1 Subsidiaries of the Registrant Entity Name Jurisdiction of Organization ProKidney Corp. GP Limited Ireland ProKidney LP Ireland ProKidney (f/k/a RegenMed (Cayman) Ltd.) Cayman Islands ProKidney, LLC (f/k/a Twin City Bio LLC) Delaware ProKidney Acquisition Company, LLC Delaware ProKidney Acquisition Company II, LLC Delaware

March 17, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-40560 ProKidney Corp.

March 17, 2025 EX-99.1

ProKidney Reports Full Year 2024 Financial Results and Business Highlights

Exhibit 99.1 ProKidney Reports Full Year 2024 Financial Results and Business Highlights • Significant progress was made in 2024, including refining the Phase 3 program to accelerate rilparencel’s path to market in the U.S., the release of positive Phase 2 data, restarting manufacturing, and securing $140 million of equity to extend cash runway into mid-2027 • In Q4 2024, the FDA confirmed in a Typ

March 17, 2025 EX-10.20

Purchase and Sale Agreement by and between the ProKidney Acquisition Company, LLC and Breit SE Industrial Propco NC LP, dated November 20, 2024.

Exhibit 10.20 AGREEMENT FOR PURCHASE AND SALE OF REAL PROPERTY by and between BREIT SE INDUSTRIAL PROPCO NC LP, a Delaware limited partnership, as SELLER and PROKIDNEY ACQUISITION COMPANY, LLC, as BUYER 3929 Westpoint Blvd., Winston Salem, North Carolina, and 2598 Empire Drive, Winston Salem, North Carolina DOCPROPERTY DOCXDOCID DMS=InterwovenIManage Format=<>.v<> PRESERVELOCATION \* MERGEFORMAT 2

March 17, 2025 EX-10.22

Assignment and Assumption of Purchase and Sale Agreement, dated November 25, 2024, by and among ProKidney Acquisition Company, LLC. and ProKidney Acquisition Company II, LLC.

Exhibit 10.22 ASSIGNMENT AND ASSUMPTION OF PURCHASE AND SALE AGREEMENT THIS ASSIGNMENT AND ASSUMPTION OF PURCHASE AND SALE AGREEMENT (this “Assignment”) is made and entered into as of the 25th day of November, 2024, by and between PROKIDNEY ACQUISITION COMPANY, LLC, a Delaware limited liability company (“Assignor”), and PROKIDNEY ACQUISITION COMPANY II, LLC, a Delaware limited liability company (“

March 17, 2025 EX-10.21

Pro-Kidney Corp. Non-Employee Director Compensation Policy, as amended.

Exhibit 10.21 PROKIDNEY CORP. NON-EMPLOYEE DIRECTOR COMPENSATION POLICY The Board of Directors (the “Board”) of ProKidney Corp. (the “Company”) has approved the following Non-Employee Director Compensation Policy (this “Policy”) to provide an inducement to obtain and retain the services of qualified persons to serve as members of the Company’s Board. The Policy establishes compensation to be paid

March 17, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 17, 2025 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission Fi

March 17, 2025 EX-4.1

Description of registered securities

Exhibit 4.1 DESCRIPTION OF REGISTERED SECURITIES ProKidney Corp. (the “Company,” “we,” “our,” or “us”) has one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: our Class A ordinary shares, par value $0.0001 per share (the “Class A Shares”). In addition, this Description of Registered Securities also contains a description of the Company’s Class B

March 17, 2025 EX-10.23

Employment Agreement, dated April 11, 2023, by and between ProKidney, LLC and Todd Girolamo.

Exhibit 10.23 April 11, 2023 Todd Girolamo 33 Young Avenue Pelham, New York 10803-1723 Dear Todd: 1. This letter agreement (this “Agreement”) sets forth the terms and conditions of your continued employment with ProKidney, LLC, a Delaware limited liability company (the “Company”) as of December 1, 2022 (the “Effective Date”). This Agreement will govern your employment with the Company following th

March 17, 2025 EX-19.1

Insider Trading Policy

Exhibit 19.1 PROKIDNEY CORP. INSIDER TRADING POLICY I. PURPOSE ProKidney Corp. (the “Company”) has adopted this Insider Trading Policy (this “Policy”) to help its directors, officers and employees comply with insider trading laws, to prevent even the appearance of improper insider trading and comply with disclosure requirements. II. SCOPE A. This Policy applies to all directors, officers and emplo

January 21, 2025 8-K

Entry into a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 17, 2025 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission

November 22, 2024 8-K

Entry into a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 20, 2024 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission

November 12, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 12, 2024 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission

November 12, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-40560 ProKidney Corp.

November 12, 2024 EX-99.1

ProKidney Reports Third Quarter 2024 Financial Results along with Regulatory and Clinical Development Updates Following Successful FDA Type B Meeting

Exhibit 99.1 ProKidney Reports Third Quarter 2024 Financial Results along with Regulatory and Clinical Development Updates Following Successful FDA Type B Meeting • FDA confirmed in a recent FDA Type B meeting under RMAT designation that the PROACT 1 Phase 3 study could be sufficient to support a full U.S. regulatory approval of rilparencel • FDA also confirmed in that Type B meeting that the acce

November 8, 2024 SC 13G/A

PROK / ProKidney Corp. / MORGAN STANLEY - MS AMENDMENT Passive Investment

SC 13G/A 1 ProkidneyCorpPROK.txt MS AMENDMENT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.3)* PROKIDNEY CORP. - (Name of Issuer) Ordinary Shares - (Title of Class of Securities) G7S53R104 - (CUSIP Number) September 30, 2024 - (Date Of Event which Requires Filing of this Statement) Check the appropriate

November 8, 2024 SC 13G

PROK / ProKidney Corp. / BlackRock, Inc. Passive Investment

SC 13G 1 kyg7s53r1049110824.txt kyg7s53r1049110824.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: ) PROKIDNEY CORP CLASS A - (Name of Issuer) Class A Common Stock - (Title of Class of Securities) BND9KF9 - (SEDOL Number) September 30, 2024 - (Date of Event Which Requires Filing of this Statement) Check the appropr

October 22, 2024 SC 13G/A

PROK / ProKidney Corp. / SUVRETTA CAPITAL MANAGEMENT, LLC - SCHEDULE 13G/A, AMENDMENT #3 Passive Investment

SC 13G/A 1 s80143625.htm SCHEDULE 13G/A, AMENDMENT #3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Amendment No. 3)* Under the Securities Exchange Act of 1934 ProKidney Corp. (Name of Issuer) Class A ordinary shares, par value $0.0001 per share (Titles of Class of Securities) G7S53R104 (CUSIP Number) August 28, 2024 (Date of Event Which Requires Filing of t

October 18, 2024 SC 13G

PROK / ProKidney Corp. / BlackRock, Inc. Passive Investment

SC 13G 1 kyg7s53r1049101824.txt kyg7s53r1049101824.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: ) PROKIDNEY CORP CLASS A - (Name of Issuer) Class A Common Stock - (Title of Class of Securities) BND9KF9 - (SEDOL Number) September 30, 2024 - (Date of Event Which Requires Filing of this Statement) Check the appropr

September 3, 2024 EX-99.1

This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. ProKidney’s actual results may differ from its expectations, estimates and projections

Developing Solutions for Dialysis Prevention September 2024 Corporate Presentation Exhibit 99.

September 3, 2024 EX-99.2

ProKidney Announces Strategic Updates to its Phase 3 Program to Accelerate Rilparencel’s Registrational Path to Potential Approval in the U.S.

Exhibit 99.2 ProKidney Announces Strategic Updates to its Phase 3 Program to Accelerate Rilparencel’s Registrational Path to Potential Approval in the U.S. • Refined the focus of the Phase 3 program to accelerate path to potential U.S. approval and commercial launch in the Company’s highest priority market • Discontinued the ex-U.S.-based PROACT 2 trial and focused Company resources on PROACT 1 to

September 3, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 3, 2024 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission

August 9, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-40560 ProKidney Corp.

August 9, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 09, 2024 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission F

August 9, 2024 EX-99.1

ProKidney Reports Business Updates and Second Quarter 2024 Financial Results

Exhibit 99.1 ProKidney Reports Business Updates and Second Quarter 2024 Financial Results • Reported interim REGEN-007 data that demonstrate rilparencel’s potential to preserve kidney function in patients with diabetes and advanced CKD • Restarted manufacturing and resumed PROACT 1 and PROACT 2 Phase 3 trials • Closed $140 million upsized underwritten public offering and concurrent registered dire

June 25, 2024 SC 13D/A

PROK / ProKidney Corp. / Control Empresarial de Capitales S.A. de C.V. - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1)* ProKidney Corp. (Name of Issuer) Class A ordinary shares, par value $0.0001 per share (Title of Class of Securities) G7S53R104 (CUSIP Number) Control Empresarial de Capitales, S.A. de C.V. Paseo de las Palmas 781, 3rd Floor Lomas de Chapultepec, Sección

June 14, 2024 SC 13D/A

PROK / ProKidney Corp. / Tolerantia, LLC Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D (Rule 13d-101) UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 3)* ProKidney Corp. (Name of Issuer) Class A ordinary shares, par value $0.0001 per share (Title of Class of Securities) G7S53R104 (CUSIP Number) Tolerantia, LLC 110 East 59th Street Suite 2800 New York, New York 10022 (212) 883-0200 (Name, Ad

June 13, 2024 424B5

53,774,794 of Class A Ordinary Shares

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-275701 PROSPECTUS SUPPLEMENT 53,774,794 of Class A Ordinary Shares We are offering 53,774,794 Class A ordinary shares, par value $0.0001 per share (the “Class A Ordinary Shares”), pursuant to an underwritten public offering of 42,774,220 Class A Ordinary shares and a concurrent direct offering of 11,030,574 Class A Ordin

June 13, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 11, 2024 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission Fil

June 13, 2024 EX-1.1

Underwriting Agreement by and between the Company and Jefferies LLC, J.P. Morgan Securities LLC, and Guggenheim Securities, LLC, dated June 11, 2024.

Exhibit 1.1 42,744,220 Class A Ordinary Shares ProKidney Corp. UNDERWRITING AGREEMENT June 11, 2024 JEFFERIES LLC J.P. MORGAN SECURITIES LLC GUGGENHEIM SECURITIES, LLC As Representatives of the several Underwriters c/o JEFFERIES LLC 520 Madison Avenue New York, New York 10022 c/o J.P. MORGAN SECURITIES LLC 383 Madison Avenue New York, New York 10179 c/o Guggenheim Securities, LLC 330 Madison Avenu

June 13, 2024 EX-10.1

Form of Share Purchase Agreement by and between the Company and certain investors, dated June 11, 2024.

Exhibit 10.1 Certain identified information has been excluded from this exhibit pursuant to Item 601(b)(10) of Regulation S-K because it is both not material and is the type of information that the Registrant treats as confidential. Information that was omitted has been noted with a placeholder identified by the mark “[***]” June 11, 2024 SHARE PURCHASE AGREEMENT ProKidney Corp., a Cayman Islands

June 13, 2024 EX-99.1

ProKidney Announces Pricing of its Upsized $130 Million Public Offering of Class A Ordinary Shares and Concurrent Registered Direct Offering

Exhibit 99.1 ProKidney Announces Pricing of its Upsized $130 Million Public Offering of Class A Ordinary Shares and Concurrent Registered Direct Offering WINSTON-SALEM, N.C., June 11, 2024 — ProKidney Corp. (Nasdaq: PROK) (“ProKidney” or the “Company”), a leading late clinical-stage cellular therapeutics company focused on chronic kidney disease, today announced the pricing of an underwritten publ

June 10, 2024 EX-99.2

Developing Solutions for Dialysis Prevention

EX-99.2 Exhibit 99.2 Developing Solutions for Dialysis Prevention REGEN-007 Interim Results March 2024 & Updates June 2024 Forward-looking Statements This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. ProKidney’s actual results may differ from its expectations, estimates and projections

June 10, 2024 424B5

SUBJECT TO COMPLETION, DATED JUNE 10, 2024

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-275701 The information in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell these securities and are not soliciting an offer to buy these securities in any jurisdiction where

June 10, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 10, 2024 PROKIDNEY CORP. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 10, 2024 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission Fil

June 10, 2024 EX-99.1

ProKidney Announces Positive Interim REGEN-007 Phase 2 Trial Data and Provides Clinical and Operational Updates

EX-99.1 Exhibit 99.1 ProKidney Announces Positive Interim REGEN-007 Phase 2 Trial Data and Provides Clinical and Operational Updates • Interim results of REGEN-007 Phase 2 trial show stabilization of kidney function for 18 months • Safety profile consistent with prior studies and comparable to kidney biopsy • Resumed manufacturing and both PROACT 1 and PROACT 2 Phase 3 trials • Management to host

May 31, 2024 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 30, 2024 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission File

May 29, 2024 EX-99.1

RMCL-002 Final Analysis Developing Solutions for Dialysis Prevention May 2024 This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. ProKidne

Exhibit 99.1 RMCL-002 Final Analysis Developing Solutions for Dialysis Prevention May 2024 This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. ProKidney’s actual results may differ from its expectations, estimates and projections and consequently, you should not rely on these forward-loo

May 29, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 29, 2024 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission File

May 10, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 10, 2024 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission File

May 10, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-40560 ProKidney Corp.

May 10, 2024 EX-99.1

ProKidney Reports Business Updates and First Quarter 2024 Financial Results

Exhibit 99.1 ProKidney Reports Business Updates and First Quarter 2024 Financial Results • Final results from RMCL-002 Phase 2 trial to be presented in the Late Breaking Clinical Trials session at the European Renal Association (ERA) Congress on May 25, 2024. An investor call to provide a perspective on CKD with Dr. Arnold Silva and Dr. Steven Coca and a recap of the RMCL-002 data is planned for M

May 10, 2024 EX-10.5

Pro-Kidney Corp. Non-Employee Director Compensation Policy.

Exhibit 10.5 PROKIDNEY CORP. NON-EMPLOYEE DIRECTOR COMPENSATION POLICY The Board of Directors (the “Board”) of ProKidney Corp. (the “Company”) has approved the following Non-Employee Director Compensation Policy (this “Policy”) to provide an inducement to obtain and retain the services of qualified persons to serve as members of the Company’s Board. The Policy establishes compensation to be paid t

April 26, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.   )

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.   ) Filed by the Registrant ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box:  ☐ Preliminary Proxy Statement  ☐ Confidential, for Use of the Commission Only (as permitted by Ru

April 26, 2024 ARS

ARS

ProKidney Corp. 2023 Annual Report Dear Shareholders, As we prepare for our 2024 Annual General MeeƟ ng of Shareholders, I am honored to address you for the Į rst Ɵ me as ProKidney’s Chief ExecuƟ ve Oĸ cer. I would like to thank ProKidney’s Board of Directors for entrusƟ ng me with this opportunity. Over the last six months, we have navigated considerable challenges with courage and determinaƟ on,

March 25, 2024 EX-10.1

Employment Agreement, dated March 25, 2024, by and between ProKidney, LLC and Ulrich Ernst.

March 25, 2024 Ulrich Ernst Dear Ulrich: 1. This letter agreement (this “Agreement”) sets forth the terms and conditions of your employment with ProKidney, LLC, a Delaware limited liability company (the “Company”) as of March 25, 2024 (the “Effective Date”). This Agreement will govern your employment with the Company beginning on the Effective Date on the following terms and conditions: Term: The

March 25, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 25, 2024 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission Fi

March 25, 2024 EX-99.1

ProKidney Announces Key Leadership Appointments Strengthening Clinical and Technical Operations Dr. Ulrich Ernst joins as Executive Vice President of Technical Operations with a deep background and expertise in process development and manufacturing o

Exhibit 99.1 ProKidney Announces Key Leadership Appointments Strengthening Clinical and Technical Operations Dr. Ulrich Ernst joins as Executive Vice President of Technical Operations with a deep background and expertise in process development and manufacturing of cell therapies Mr. Lucio Tozzi joined in January of 2024 as Senior Vice President of Global Clinical Operations having over 30 years of

March 22, 2024 EX-FILING FEES

Calculation of registration fee

Exhibit 107 Calculation of Filing Fee Table Form S-8 (Form Type) ProKidney Corp. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Class A Ordinary Shares, $0.0001 par

March 22, 2024 EX-21.1

Subsidiaries of the Registrant

Exhibit 21.1 Subsidiaries of the Registrant Entity Name Jurisdiction of Organization ProKidney Corp. GP Limited Ireland ProKidney LP Ireland ProKidney (f/k/a RegenMed (Cayman) Ltd.) Cayman Islands ProKidney, LLC (f/k/a Twin City Bio LLC) Delaware ProKidney Acquisition Company, LLC Delaware

March 22, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 21, 2024 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission Fi

March 22, 2024 S-8

As filed with the Securities and Exchange Commission on March 22, 2024

As filed with the Securities and Exchange Commission on March 22, 2024 Registration No.

March 22, 2024 EX-97

ProKidney Corp. Clawback Policy

Exhibit 97 PROKIDNEY CORP. CLAWBACK POLICY I. Introduction The Board of Directors (the “Board”) of ProKidney Corp. (the “Company”) believes that it is in the best interests of the Company and its shareholders to create and maintain a culture that emphasizes integrity and accountability and that reinforces the Company’s pay-for-performance compensation philosophy. The Board has therefore adopted th

March 22, 2024 EX-10.5

Second Amended and Restated Limited Partnership Agreement for a Limited Partnership Called ProKidney LP, dated as of July 11, 2022, as amended as of November 14, 2023, by and among Tolerantia, LLC, Control Empresarial de Capitales, S.A. de C.V., ProKidney Management Equity LLC, ProKidney Corp. (formerly known as Social Capital

Exhibit 10.5 AMENDMENT NO. 1 TO SECOND AMENDED AND RESTATED LIMITED PARTNERSHIP AGREEMENT FOR A LIMITED PARTNERSHIP CALLED PROKIDNEY LP THIS AMENDMENT NO. 1 TO THE SECOND AMENDED AND RESTATED LIMITED PARTNERSHIP AGREEMENT FOR A LIMITED PARTNERSHIP CALLED PROKIDNEY LP (this “Amendment”) is made and entered into as of Nov. 14 2023 by ProKidney Corp. GP Limited (the “General Partner”), in its capacit

March 22, 2024 EX-99.1

ProKidney Reports Full Year 2023 Financial Results and Recent Corporate Highlights

Exhibit 99.1 ProKidney Reports Full Year 2023 Financial Results and Recent Corporate Highlights WINSTON-SALEM, N.C., March 21, 2024 - ProKidney Corp. (Nasdaq: PROK) (“ProKidney” or the “Company"), a leading late clinical-stage cellular therapeutics company focused on chronic kidney disease (CKD), today announced financial results for the year ended December 31, 2023. “We are very excited about the

March 22, 2024 EX-4.1

Description of registered securities

Exhibit 4.1 DESCRIPTION OF REGISTERED SECURITIES ProKidney Corp. (the “Company,” “we,” “our,” or “us”) has one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: our Class A ordinary shares, par value $0.0001 per share (the “Class A Shares”). In addition, this Description of Registered Securities also contains a description of the Company’s Class B

March 22, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-40560 ProKidney Corp.

March 18, 2024 EX-10.2

Separation Agreement, dated March 13, 2024, by and between ProKidney, LLC and Tim Bertram, Ph.D.

Exhibit 10.2 Execution Copy ProKidney, llc SEPARATION AGREEMENT AND RELEASE This Separation Agreement and Release (this “Agreement”) dated as of March 13, 2024 is entered into by and between ProKidney, LLC, a Delaware limited liability company, (the "Company") and Timothy Bertram, Ph.D. (“Executive”). WHEREAS, Executive and the Company entered into an employment agreement dated as of October 1, 20

March 18, 2024 8-K/A

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 28, 2023 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorp

March 18, 2024 8-K/A

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 2) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 10, 2023 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorp

March 18, 2024 EX-10.1

Separation Agreement, dated March 13, 2024, by and between ProKidney, LLC and Deepak Jain, Ph.D

Exhibit 10.1 Execution Copy ProKidney, llc SEPARATION AGREEMENT AND RELEASE This Separation Agreement and Release (this “Agreement”) dated as of March 13, 2024 is entered into by and between ProKidney, LLC, a Delaware limited liability company, (the "Company") and Deepak Jain (“Executive”). WHEREAS, Executive and the Company entered into an employment agreement dated as of December 2, 2022, (the “

February 13, 2024 SC 13G/A

KY:PROK US / ProKidney Corp / SUVRETTA CAPITAL MANAGEMENT, LLC Passive Investment

SC 13G/A 1 d1097899113g-a.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* ProKidney Corp. (Name of Issuer) Class A ordinary shares, par value $0.0001 per share (Title of Class of Securities) G7S53R104 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the

February 12, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 06, 2024 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission

February 9, 2024 SC 13G/A

KY:PROK US / ProKidney Corp / MORGAN STANLEY - MS AMENDMENT Passive Investment

SC 13G/A 1 ProkidneyCorpPROK.txt MS AMENDMENT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.2)* PROKIDNEY CORP. - (Name of Issuer) Ordinary Shares - (Title of Class of Securities) G7S53R104 - (CUSIP Number) December 31, 2023 - (Date Of Event which Requires Filing of this Statement) Check the appropriate

February 6, 2024 SC 13D/A

KY:PROK US / ProKidney Corp / Tolerantia, LLC Activist Investment

SC 13D/A 1 formsc13da-prokidney.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D (Rule 13d-101) UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 2)* ProKidney Corp. (Name of Issuer) Class A ordinary shares, par value $0.0001 per share (Title of Class of Securities) G7S53R104 (CUSIP Number) Tolerantia, LLC 110 East 59th Street Suite 2800 New York, New

January 26, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 25, 2024 PROKIDNEY CORP.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 25, 2024 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission

January 26, 2024 EX-99.1

Forward-looking Statements This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. ProKidney’s actual results may differ from its expectations

Exhibit 99.1 Corporate Presentation January 2024 Developing Solutions for Dialysis Prevention REACT® [REnal Autologous Cell Therapy] Forward-looking Statements This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. ProKidney’s actual results may differ from its expectations, estimates and p

January 19, 2024 EX-1.1

Open Market Sale Agreement SM, dated January 19, 2024, by and between ProKidney Corp. and Jefferies LLC (incorporated by reference from Exhibit 1.1 to Form 8-K filed with the SEC on January 19, 2024) (File No. 001-40560).

Exhibit 1.1 OPEN MARKET SALE AGREEMENTSM January 19, 2024 JEFFERIES LLC 520 Madison Avenue New York, New York 10022 Ladies and Gentlemen: ProKidney Corp., a Cayman Islands exempted company (the “Company”), proposes, subject to the terms and conditions stated herein, to issue and sell from time to time through Jefferies LLC, as sales agent and/or principal (the “Agent”), the Company’s Class A Ordin

January 19, 2024 424B5

Up to $100,000,000 Class A Ordinary Shares

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-275701 PROSPECTUS SUPPLEMENT (To Prospectus Dated November 30, 2023) Up to $100,000,000 Class A Ordinary Shares We have entered into an Open Market Sale AgreementSM (the “Sales Agreement”) with Jefferies LLC (“Jefferies”) relating to our Class A ordinary shares, par value $0.0001 per share, offered by this prospectus sup

January 19, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 19, 2024 PROKIDNEY CORP.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 19, 2024 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission

December 5, 2023 EX-10.1

Employment Agreement, dated December 3, 2023, by and between ProKidney, LLC and Bruce Culleton. (incorporated by reference from Exhibit 10.1 to Form 8-K/A filed with the SEC on December 5, 2023) (File No. 001-40560).

Exhibit 10.1 November 15, 2023 Bruce Culleton, MD 93 Worcester Street Wellesley, MA 02481 Dear Bruce: This letter agreement (this “Agreement”) sets forth the terms and conditions of your continued employment with ProKidney, LLC, a Delaware limited liability company (the “Company”) as of November 15, 2023 (the “Effective Date”). This Agreement will govern your employment with the Company following

December 5, 2023 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 10, 2023 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorp

November 30, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 28, 2023 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission

November 28, 2023 CORRESP

ProKidney Corp. 2000 Frontis Plaza Blvd. Suite 250 Winston-Salem, NC 27103

ProKidney Corp. 2000 Frontis Plaza Blvd. Suite 250 Winston-Salem, NC 27103 November 28, 2023 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attn: Jason Drory Re: ProKidney Corp. Registration Statement on Form S-3 File No. 333-275701 Ladies and Gentlemen: Pursuant to Rule 461 under the Securities Act of 1933, as amended, P

November 27, 2023 LETTER

LETTER

United States securities and exchange commission logo November 27, 2023 Bruce Culleton Chief Executive Officer ProKidney Corp.

November 22, 2023 EX-FILING FEES

Filing Fee Table.

Exhibit 107 Calculation of Filing Fee Table FORM S-3 (Form Type) ProKidney Corp. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Fo

November 22, 2023 S-3

As filed with the Securities and Exchange Commission on November 22, 2023

As filed with the Securities and Exchange Commission on November 22, 2023 Registration No.

November 22, 2023 EX-4.2

Form of indenture of subordinated debt securities and related form of subordinated debt security.

Exhibit 4.2 PROKIDNEY CORP. Issuer AND [ ] Trustee INDENTURE Dated as of [ ] Subordinated Debt Securities Table of Contents TABLE OF CONTENTS1 Page ARTICLE I DEFINITIONS 1 SECTION 1.01 Definitions of Terms 1 ARTICLE II ISSUE, DESCRIPTION, TERMS, EXECUTION, REGISTRATION AND EXCHANGE OF SECURITIES 5 SECTION 2.01 Designation and Terms of Securities 5 SECTION 2.02 Form of Securities and Trustee’s Cert

November 22, 2023 EX-4.1

Form of indenture for senior debt securities and the related form of senior debt security.

Exhibit 4.1 PROKIDNEY CORP. Issuer AND [ ] Trustee INDENTURE Dated as of [ ] Senior Debt Securities Table of Contents TABLE OF CONTENTS1 Page ARTICLE I DEFINITIONS 1 SECTION 1.01 Definitions of Terms 1 ARTICLE II ISSUE, DESCRIPTION, TERMS, EXECUTION, REGISTRATION AND EXCHANGE OF SECURITIES 5 SECTION 2.01 Designation and Terms of Securities 5 SECTION 2.02 Form of Securities and Trustee’s Certificat

November 20, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 20, 2023 (November 19, 2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 20, 2023 (November 19, 2023) PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorp

November 20, 2023 SC 13D/A

KY:PROK US / ProKidney Corp / Palihapitiya Chamath - SCHEDULE 13D/A Activist Investment

SC 13D/A 1 tm2331107-1sc13da.htm SCHEDULE 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 5)* ProKidney Corp. (Name of Issuer) Class A ordinary shares, par value $0.0001 per share (Title of Class of Securities) G7S53R104 (CUSIP Number) Chamath Palihapitiya c/o SC Master Holdings, LLC 506 Santa Cruz

November 20, 2023 EX-99.7

SHARE REPURCHASE AGREEMENT

EX-99.7 2 tm2331107d1ex99-7.htm EXHIBIT 7 Exhibit 7 EXECUTION VERSION SHARE REPURCHASE AGREEMENT This SHARE REPURCHASE AGREEMENT (this “Agreement”) is entered into as of November 19, 2023 by and among ProKidney Corp., a Cayman Islands exempted company (the “Company”), and SC PIPE Holdings LLC and SC Master Holdings, LLC, shareholders of the Company (together, the “Selling Shareholders”). Backgroun

November 14, 2023 EX-99.1

ProKidney Reports Third Quarter Financial Results

Exhibit 99.1 ProKidney Reports Third Quarter Financial Results WINSTON-SALEM, N.C., November 14, 2023 - ProKidney Corp. (Nasdaq: PROK) (“ProKidney”), a leading late clinical-stage cellular therapeutics company focused on chronic kidney disease (CKD), today announced financial results for the third quarter ended September 30, 2023. “Building off of our positive corporate update, and with nearly $40

November 14, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 14, 2023 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission

November 14, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-40560 ProKidney Corp.

November 13, 2023 EX-99.1

Forward-looking Statements This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. ProKidney’s actual results may differ from its expectations

EX-99.1 Exhibit 99.1 RMCL-002 Interim Results & Updates November 14, 2023 Developing Solutions for Dialysis Prevention REACT® [REnal Autologous Cell Therapy] Forward-looking Statements This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. ProKidney’s actual results may differ from its expe

November 13, 2023 EX-99.2

ProKidney Announces Positive Interim Data from RMCL-002 Phase 2 Clinical Trial of Renal Autologous Cell Therapy (REACT®) for Diabetic CKD and Provides Corporate Updates Updated positive interim Phase 2 data demonstrate potential efficacy of REACT® to

EX-99.2 Exhibit 99.2 ProKidney Announces Positive Interim Data from RMCL-002 Phase 2 Clinical Trial of Renal Autologous Cell Therapy (REACT®) for Diabetic CKD and Provides Corporate Updates Updated positive interim Phase 2 data demonstrate potential efficacy of REACT® to preserve kidney function in moderate and high-risk diabetic CKD patients Focusing Phase 3 development program on patients with S

November 13, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 10, 2023 PROKIDNEY CORP.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 10, 2023 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission

November 6, 2023 SC 13D/A

KY:PROK US / ProKidney Corp / Palihapitiya Chamath - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 4)* ProKidney Corp. (Name of Issuer) Class A ordinary shares, par value $0.0001 per share (Title of Class of Securities) G7S53R104 (CUSIP Number) Chamath Palihapitiya c/o SC Master Holdings, LLC 506 Santa Cruz Avenue, Suite 300 Menlo Park, California 94025 (

November 2, 2023 SC 13D

KY:PROK US / ProKidney Corp / Tolerantia, LLC Activist Investment

SC 13D 1 sc13dtolerantia.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D (Rule 13d-101) UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 1)* ProKidney Corp. (Name of Issuer) Class A ordinary shares, par value $0.0001 per share (Title of Class of Securities) G7S53R104 (CUSIP Number) Tolerantia, LLC 110 East 59th Street Suite 3300 New York, New York 1

October 27, 2023 SC 13D/A

KY:PROK US / ProKidney Corp / Palihapitiya Chamath - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 3)* ProKidney Corp. (Name of Issuer) Class A ordinary shares, par value $0.0001 per share (Title of Class of Securities) G7S53R104 (CUSIP Number) Chamath Palihapitiya c/o SC Master Holdings, LLC 506 Santa Cruz Avenue, Suite 300 Menlo Park, California 94025 (

October 19, 2023 SC 13D/A

KY:PROK US / ProKidney Corp / Palihapitiya Chamath - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 2)* ProKidney Corp. (Name of Issuer) Class A ordinary shares, par value $0.0001 per share (Title of Class of Securities) G7S53R104 (CUSIP Number) Chamath Palihapitiya c/o SC Master Holdings, LLC 506 Santa Cruz Avenue, Suite 300 Menlo Park, California 94025 (

September 21, 2023 SC 13D/A

KY:PROK US / ProKidney Corp / Palihapitiya Chamath - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1)* ProKidney Corp. (Name of Issuer) Class A ordinary shares, par value $0.0001 per share (Title of Class of Securities) G7S53R104 (CUSIP Number) Chamath Palihapitiya c/o SC Master Holdings, LLC 506 Santa Cruz Avenue, Suite 300 Menlo Park, California 94025 (

September 11, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 11, 2023 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commissio

September 11, 2023 EX-99.1

Forward-looking Statements This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. ProKidney’s actual results may differ from its expectations

Corporate Presentation September 2023 Exhibit 99.1 PROKIDNEY. A Step Closer to Potential Dialysis Prevention REACT® [REnal Autologous Cell Therapy] Forward-looking Statements This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. ProKidney’s actual results may differ from its expectations,

August 23, 2023 424B3

PROKIDNEY CORP. Up to 234,203,910 Class A Ordinary Shares

Table of Contents Filed Pursuant to Rule 424(b)(3) Registration No. 333-266683 PROSPECTUS PROKIDNEY CORP. Up to 234,203,910 Class A Ordinary Shares This prospectus relates to the issuance by us of up to an aggregate of 234,203,910 of our Class A ordinary shares, par value $0.0001 per share (“Class A ordinary shares”) which consists of the resale from time to time by certain of the selling security

August 18, 2023 POS AM

As filed with the U.S. Securities and Exchange Commission on August 18, 2023

Table of Contents As filed with the U.S. Securities and Exchange Commission on August 18, 2023 Registration No. 333-266683 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Post-Effective Amendment No. 2 to FORM S-1 ON FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ProKidney Corp. (Exact name of registrant as specified in its charter) Cayman Islands 98-15865

August 11, 2023 424B3

PROKIDNEY CORP. Up to 239,448,300 Class A Ordinary Shares

PROSPECTUS SUPPLEMENT NO. 5 To Prospectus dated April 20, 2023 Filed Pursuant to Rule 424(b)(3) Registration No. 333-266683 PROKIDNEY CORP. Up to 239,448,300 Class A Ordinary Shares This prospectus supplement no. 5 supplements the prospectus dated April 20, 2023, as supplemented from time to time (the “Prospectus”), relating to (i) the resale from time to time by certain of the selling securityhol

August 10, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-40560 ProKidney Corp.

August 10, 2023 EX-99.1

ProKidney Reports Second Quarter Financial Results and Recent Corporate Highlights

Exhibit 99.1 ProKidney Reports Second Quarter Financial Results and Recent Corporate Highlights WINSTON-SALEM, N.C. – August 10, 2023 – ProKidney Corp. (Nasdaq: PROK) (“ProKidney” or the “Company”), a leading late clinical-stage cellular therapeutics company focused on dialysis-free living for those with chronic kidney disease (CKD), today announced financial results for the second quarter ended J

August 10, 2023 EX-10.1

Purchase Agreement, as amended, dated March 29, 2023, by and among ProKidney Corp. and 73 BCI 2 LLC.

Exhibit 10.1 EXECUTION PURCHASE AND SALE AGREEMENT THIS PURCHASE AND SALE AGREEMENT (the “Agreement”) is made and entered into by and between ProKidney Corp., a Cayman Islands exempted company (“Purchaser”) and 73 BCI 2 LLC, a North Carolina limited liability company (“Seller”). 1. SALE OF PROPERTY 1.1 Upon the terms and conditions hereinafter set forth, and in consideration of the mutual covenant

August 10, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 10, 2023 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission F

August 10, 2023 EX-10.2

Assignment and Assumption of Purchase and Sale Agreement, dated July 17, 2023, by and among ProKidney Corp. and ProKidney Acquisition Company, LLC.

Exhibit 10.2 ASSIGNMENT AND ASSUMPTION OF PURCHASE AND SALE AGREEMENT THIS ASSIGNMENT AND ASSUMPTION OF PURCHASE AND SALE AGREEMENT (this "Assignment") is made and entered into as of the 17th day of July, 2023 and between PROKIDNEY CORP., a Cayman Islands exempted company ("Assignor"), and PROKIDNEY ACQUISITION COMPANY, LLC, a Delaware limited liability company ("Assignee"). RECITALS: WHEREAS, 73

July 25, 2023 424B3

PROKIDNEY CORP. Up to 239,448,300 Class A Ordinary Shares

PROSPECTUS SUPPLEMENT NO. 4 To Prospectus dated April 20, 2023 Filed Pursuant to Rule 424(b)(3) Registration No. 333-266683 PROKIDNEY CORP. Up to 239,448,300 Class A Ordinary Shares This prospectus supplement no. 4 supplements the prospectus dated April 20, 2023, as supplemented from time to time (the “Prospectus”), relating to (i) the resale from time to time by certain of the selling securityhol

July 18, 2023 EX-99.1

ProKidney Announces Closing of Purchase of Manufacturing Facility in Greensboro, NC

Exhibit 99.1 ProKidney Announces Closing of Purchase of Manufacturing Facility in Greensboro, NC WINSTON-SALEM, N.C., July 18, 2023 — ProKidney Corp. (Nasdaq: PROK) (“ProKidney” or the “Company”), a leading late clinical-stage cellular therapeutics company focused on preserving kidney function in patients suffering from chronic kidney disease (CKD), today announced it has closed on its purchase of

July 18, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 17, 2023 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission Fil

July 6, 2023 424B3

PROKIDNEY CORP. Up to 239,448,300 Class A Ordinary Shares

PROSPECTUS SUPPLEMENT NO. 3 To Prospectus dated April 20, 2023 Filed Pursuant to Rule 424(b)(3) Registration No. 333-266683 PROKIDNEY CORP. Up to 239,448,300 Class A Ordinary Shares This prospectus supplement no. 3 supplements the prospectus dated April 20, 2023, as supplemented from time to time (the “Prospectus”), relating to (i) the resale from time to time by certain of the selling securityhol

June 30, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 29, 2023 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission Fil

June 23, 2023 424B3

PROKIDNEY CORP. Up to 239,448,300 Class A Ordinary Shares

PROSPECTUS SUPPLEMENT NO. 2 To Prospectus dated April 20, 2023 Filed Pursuant to Rule 424(b)(3) Registration No. 333-266683 PROKIDNEY CORP. Up to 239,448,300 Class A Ordinary Shares This prospectus supplement no. 2 supplements the prospectus dated April 20, 2023, as supplemented from time to time (the “Prospectus”), relating to (i) the resale from time to time by certain of the selling securityhol

June 16, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 13, 2023 PROKIDNEY CORP. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 13, 2023 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission Fil

June 16, 2023 EX-99.1

ProKidney Announces Purchase of Manufacturing Facility in Greensboro, NC

EX-99.1 Exhibit 99.1 ProKidney Announces Purchase of Manufacturing Facility in Greensboro, NC WINSTON-SALEM, N.C., June 13, 2023 — ProKidney Corp. (Nasdaq: PROK) (“ProKidney” or the “Company”), a leading late clinical-stage cellular therapeutics company focused on preserving kidney function in patients suffering from chronic kidney disease (CKD), today announced its agreement to purchase a 210,000

May 26, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box:  ☐ Preliminary Proxy Statement  ☐ Confidential, for Use of the Commission Only (as permitted by Rule

May 26, 2023 ARS

ARS

ProKidney Corp. 2022 Annual Report REACT® REnal Autologous Cell Therapy aims to preserve kidney funcƟ on and prevent the need for dialysis for those with advanced diabeƟ c chronic kidney disease Dear Shareholders, On behalf of the enƟ re ProKidney organizaƟ on, we would like to thank you for your commitment to our mission as we seek to advance REACT®, our Į rst-of-its-kind REnal Autologous Cell Th

May 26, 2023 424B3

PROKIDNEY CORP. Up to 239,448,300 Class A Ordinary Shares

PROSPECTUS SUPPLEMENT NO. 1 To Prospectus dated April 20, 2023 Filed Pursuant to Rule 424(b)(3) Registration No. 333-266683 PROKIDNEY CORP. Up to 239,448,300 Class A Ordinary Shares This prospectus supplement no. 1 supplements the prospectus dated April 20, 2023, as supplemented from time to time (the “Prospectus”), relating to (i) the resale from time to time by certain of the selling securityhol

May 11, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 11, 2023 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission File

May 11, 2023 EX-99.1

ProKidney Reports First Quarter Financial Results and Recent Corporate Highlights

Exhibit 99.1 ProKidney Reports First Quarter Financial Results and Recent Corporate Highlights WINSTON-SALEM, N.C. – May 11, 2023 – ProKidney Corp. (Nasdaq: PROK) (“ProKidney” or the “Company”), a leading late clinical-stage cellular therapeutics company focused on chronic kidney disease (CKD), today announced financial results for the first quarter ended March 31, 2023, and provided an update on

May 11, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-40560 ProKidney Corp.

April 27, 2023 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No. 1) (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-4

April 21, 2023 424B3

PROKIDNEY CORP. Up to 239,448,300 Class A Ordinary Shares

424B3 Table of Contents Filed Pursuant to Rule 424(b)(3) Registration No. 333-266683 PROSPECTUS PROKIDNEY CORP. Up to 239,448,300 Class A Ordinary Shares This prospectus relates to (i) the resale from time to time by certain of the selling securityholders named in this prospectus (the “Selling Securityholders”) of 6,890,000 Class A ordinary shares, par value $0.0001 per share (“Class A ordinary sh

April 17, 2023 POS AM

As filed with the U.S. Securities and Exchange Commission on April 17, 2023 Registration No. 333-266683 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT UNDER TH

Table of Contents As filed with the U.S. Securities and Exchange Commission on April 17, 2023 Registration No. 333-266683 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ProKidney Corp. (Exact name of registrant as specified in its charter) Cayman Islands 2836 98-1586514 (Stat

March 29, 2023 S-8

As filed with the Securities and Exchange Commission on March 28, 2023

S-8 1 s-8jan2023-evergreen.htm S-8 As filed with the Securities and Exchange Commission on March 28, 2023 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ProKidney Corp. (Exact name of registrant as specified in its charter) Cayman Islands 98-1586514 (State or other jurisdiction of incorp

March 29, 2023 EX-FILING FEES

Calculation of registration fee

Exhibit 107.1 Calculation of Filing Fee Tables Form S-8 (Form Type) ProKidney Corp. (Exact Name of Registrant as Specified in its Charter) Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Class A Ordinary Shares, $0.0001 par v

March 28, 2023 EX-10

Consulting Services Agreement, dated as of January 1, 2020 between ProKidney (formerly known as RegenMed (Cayman) Ltd. (d/b/a inRegen)) and Nefro Health (incorporated by reference from Exhibit 10.30 to Form 10-K filed with the SEC on March 28, 2023) (File No. 001-40560)

Exhibit 10.30 STRICTLY CONFIDENTIAL CONSULTING SERVICES AGREEMENT by and between INREGEN as the Company And NEFRO HEALTH, as the Service Provider Dated effective as of January 1, 2020 TABLE OF CONTENTS Page Section 1. Definitions 1 Section 2. Interpretation 3 Section 3. Appointment of Service Provider; Limited Scope of Services 4 Section 4. Selection of Personnel 5 Section 5. Legal and Regulatory

March 28, 2023 EX-4

Description of registered securities

Exhibit 4.1 DESCRIPTION OF REGISTERED SECURITIES ProKidney Corp. (the “Company,” “we,” “our,” or “us”) has one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: our Class A ordinary shares, par value $0.0001 per share (the “Class A Shares”). In addition, this Description of Registered Securities also contains a description of the Company’s Class B

March 28, 2023 EX-10

Employment Agreement, dated as of December 3, 2022, by and between Dr. Timothy Bertram and ProKidney, LLC

EX-10 3 prok-ex1013.htm EX-10.13 Exhibit 10.13 December 2, 2022 Timothy Bertram 123 Heron Point Statesville, NC 28677 Dear Tim: 1. This letter agreement (this “Agreement”) sets forth the terms and conditions of your continued employment with ProKidney, LLC, a Delaware limited liability company(the “Company”) as of October 1, 2022 (the “Effective Date”). This Agreement will govern your employment w

March 28, 2023 EX-10

Consulting Services Agreement, dated as of January 1, 2020 between ProKidney, LLC (formerly known as Twin City Bio LLC) and Nefro Health (incorporated by reference from Exhibit 10.31 to Form 10-K filed with the SEC on March 28, 2023) (File No. 001-40560).

Exhibit 10.31 STRICTLY CONFIDENTIAL CONSULTING SERVICES AGREEMENT by and between TWIN CITY BIO LLC as the Company And NEFRO HEALTH, as the Service Provider Dated effective as of January 1, 2020 TABLE OF CONTENTS Page Section 1. Definitions 1 Section 2. Interpretation 3 Section 3. Appointment of Service Provider; Limited Scope of Services 4 Section 4. Selection of Personnel 5 Section 5. Legal and R

March 28, 2023 EX-10

Employment Agreement, dated as of December 3, 2022 by and between James Coulston and ProKidney, LLC (incorporated by reference from Exhibit 10.14 to Form 10-K filed with the SEC on March 28, 2023) (File No. 001-40560).

Exhibit 10.14 December 3, 2022 James Coulston 409 Susanna Dr. Kernersville, NC 27284 Dear James: 1. This letter agreement (this “Agreement”) sets forth the terms and conditions of your continued employment with ProKidney, LLC, a Delaware limited liability company (the “Company”) as of December 3, 2022 (the “Effective Date”). This Agreement will govern your employment with the Company following the

March 28, 2023 EX-10

Form of Director Stock Option Award (incorporated by reference from Exhibit 10.17 to Form 10-K filed with the SEC on March 28, 2023) (File No. 001-40560).

Exhibit 10.17 PROKIDNEY CORP. NON-QUALIFIED STOCK OPTION AWARD AGREEMENT (For Non-Employee Directors) This Non-Qualified Stock Option Award Agreement (“Agreement”) is entered into by and between ProKidney Corp. (the “Company”) and the non-employee director whose name appears below (the “Director”) in order to set forth the terms and conditions of Non-Qualified Stock Options (the “Options”) granted

March 28, 2023 10-K

December 31, 2022, filed with the Securities and Exchange Commission (the “SEC”) on March 28, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-40560 ProKidney Corp.

March 28, 2023 EX-10

ProKidney Corp. 2022 Director Compensation Policy

Exhibit 10.20 PROKIDNEY CORP. NON-EMPLOYEE DIRECTOR COMPENSATION POLICY The Board of Directors (the “Board”) of ProKidney Corp. (the “Company”) has approved the following Non-Employee Director Compensation Policy (this “Policy”) to provide an inducement to obtain and retain the services of qualified persons to serve as members of the Company’s Board. The Policy establishes compensation to be paid

March 28, 2023 EX-10

Form of Employee Incentive Stock Option Award (incorporated by reference from Exhibit 10.18 to Form 10-K filed with the SEC on March 28, 2023) (File No. 001-40560).

Exhibit 10.18 PROKIDNEY CORP. INCENTIVE STOCK OPTION AWARD AGREEMENT (For Employees) This Incentive Stock Option Award Agreement (“Agreement”) is entered into by and between ProKidney Corp. (the “Company”) and the employee whose name appears below (the “Participant”) in order to set forth the terms and conditions of Incentive Stock Options (the “Options”) granted to the Participant under the ProKi

March 28, 2023 EX-10

Employment Agreement, dated as of December 3, 2022 by and between Dr. Joseph Stavas and ProKidney, LLC

Exhibit 10.16 December 3, 2022 Joe Stavas, MD 315 Park Top Drive Cary, North Carolina 27513 Dear Joe: 1. This letter agreement (this “Agreement”) sets forth the terms and conditions of your continued employment with ProKidney, LLC, a Delaware limited liability company (the “Company”) as of December 3, 2022 (the “Effective Date”). This Agreement will govern your employment with the Company followin

March 28, 2023 EX-21

Subsidiaries of ProKidney Corp. (incorporated by reference from Exhibit 21.1 to Form 10-K filed with the SEC on March 28, 2023) (File No. 001-40560).

Exhibit 21.1 Subsidiaries of the Registrant Entity Name Jurisdiction of Organization ProKidney Corp. GP Limited Ireland ProKidney LP Ireland ProKidney (f/k/a RegenMed (Cayman) Ltd.) Cayman Islands ProKidney, LLC (f/k/a Twin City Bio LLC) Delaware

March 28, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 28, 2023 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission Fi

March 28, 2023 EX-99

ProKidney Reports Fourth Quarter Financial Results and Recent Corporate Highlights

ProKidney Reports Fourth Quarter Financial Results and Recent Corporate Highlights WINSTON-SALEM, N.

March 28, 2023 EX-10

Employment Agreement, dated as of December 2, 2022 by and between Dr. Deepak Jain and ProKidney, LLC

Exhibit 10.15 December 2, 2022 Deepak Jain 559 Suncreek Dr. Winston-Salem, NC 27104 Dear Deepak: 1. This letter agreement (this “Agreement”) sets forth the terms and conditions of your continued employment with ProKidney, LLC, a Delaware limited liability company (the “Company”) as of October 1, 2022 (the “Effective Date”). This Agreement will govern your employment with the Company following the

March 28, 2023 EX-10

Incentive Stock Option Award Agreement, dated as of October 20, 2022, by and between Dr. Timothy Bertram and ProKidney Corp.

Exhibit 10.19 PROKIDNEY CORP. INCENTIVE STOCK OPTION AWARD AGREEMENT This Incentive Stock Option Award Agreement (“Agreement”) is entered into by and between ProKidney Corp. (the “Company”) and the employee whose name appears below (the “Participant”) in order to set forth the terms and conditions of Incentive Stock Options (the “Options”) granted to the Participant under the ProKidney Corp. 2022

March 7, 2023 424B3

PROKIDNEY CORP. Up to 239,420,000 Class A Ordinary Shares

PROSPECTUS SUPPLEMENT NO. 6 To Prospectus dated September 8, 2022 Filed Pursuant to Rule 424(b)(3) Registration No. 333-266683 PROKIDNEY CORP. Up to 239,420,000 Class A Ordinary Shares This prospectus supplement no. 6 supplements the prospectus dated September 8, 2022, as supplemented from time to time (the “Prospectus”), relating to (i) the resale from time to time by certain of the selling secur

March 6, 2023 EX-99

Forward-looking Statements This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. ProKidney’s actual results may differ from its expectations

ProKidney Corporate Overview March 2023 Exhibit 99.1 A step closer to potential Dialysis Prevention React®[Renal Autologous Cell Therapy] Corporate Overview March 2023 Exhibit 99.1 Forward-looking Statements This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. ProKidney’s actual results m

March 6, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 06, 2023 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission Fi

February 14, 2023 SC 13G/A

KYG7S53R1049 / PROKIDNEY CORP / Sculptor Capital LP - SC 13G/A Passive Investment

SC 13G/A 1 d455515dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* PROKIDNEY CORP. (Name of Issuer) Class A Ordinary Shares, par value $0.0001 per share (Title of Class of Securities) G7S53R104 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement)

February 13, 2023 SC 13G/A

KYG7S53R1049 / PROKIDNEY CORP / SUVRETTA CAPITAL MANAGEMENT, LLC - SCHEDULE 13G/A, AMENDMENT #1 Passive Investment

SC 13G/A 1 s61045968.htm SCHEDULE 13G/A, AMENDMENT #1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Amendment No. 1)* Under the Securities Exchange Act of 1934 ProKidney Corp. (Name of Issuer) Class A ordinary shares, par value $0.0001 per share (Titles of Class of Securities) G7S53R104 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of

February 10, 2023 SC 13G/A

KYG7S53R1049 / PROKIDNEY CORP / MORGAN STANLEY - MS AMENDMENT Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.1)* PROKIDNEY CORP. - (Name of Issuer) Ordinary Shares - (Title of Class of Securities) G7S53R104 - (CUSIP Number) December 30, 2022 - (Date Of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which th

February 10, 2023 SC 13G/A

KYG7S53R1049 / PROKIDNEY CORP / INTEGRATED CORE STRATEGIES (US) LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (AMENDMENT NO. 2) PROKIDNEY CORP. (formerly Social Capital Suvretta Holdings Corp. III) (Name of Issuer) CLASS A ORDINARY SHARES, PAR VALUE $0.0001 PER SHARE (Title of Class of Securities) G7S53R104 (CUSIP Number) DECEMBER 31, 2022 (Date of event which requires filing of t

February 9, 2023 SC 13G/A

KYG7S53R1049 / PROKIDNEY CORP / ADAGE CAPITAL PARTNERS GP, L.L.C. - PROKIDNEY CORP. Passive Investment

SC 13G/A 1 p23-0387sc13ga.htm PROKIDNEY CORP. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* ProKidney Corp. (f/k/a Social Capital Suvretta Holdings Corp. III) (Name of Issuer) Class A Ordinary Shares, par value $0.0001 per share (Title of Class of Securities) G7S53R104 (CUSIP Number) December 31, 2022 (Date of

February 6, 2023 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 03, 2023 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission

February 6, 2023 424B3

PROKIDNEY CORP. Up to 239,420,000 Class A Ordinary Shares

PROSPECTUS SUPPLEMENT NO. 5 To Prospectus dated September 8, 2022 Filed Pursuant to Rule 424(b)(3) Registration No. 333-266683 PROKIDNEY CORP. Up to 239,420,000 Class A Ordinary Shares This prospectus supplement no. 5 supplements the prospectus dated September 8, 2022, as supplemented from time to time (the “Prospectus”), relating to (i) the resale from time to time by certain of the selling secur

January 20, 2023 424B3

PROKIDNEY CORP. Up to 239,420,000 Class A Ordinary Shares

424B3 1 prosuppno41-19-2023.htm 424B3 PROSPECTUS SUPPLEMENT NO. 4 To Prospectus dated September 8, 2022 Filed Pursuant to Rule 424(b)(3) Registration No. 333-266683 PROKIDNEY CORP. Up to 239,420,000 Class A Ordinary Shares This prospectus supplement no. 4 supplements the prospectus dated September 8, 2022, as supplemented from time to time (the “Prospectus”), relating to (i) the resale from time t

January 19, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 17, 2023 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission

January 19, 2023 EX-10.1

ProKidney Short Term Incentive Performance Plan

Exhibit 10.1 PROKIDNEY SHORT TERM INCENTIVE PERFORMANCE PLAN TERMS AND CONDITIONS 1. Plan Overview ProKidney’s Short Term Incentive Performance Plan (the “STI Plan”) is an annual bonus plan for all persons employed by ProKidney or its direct or indirect subsidiaries (collectively, the “Company”) on a regular basis who are in a position to make positive contributions to the Company (“Employees”), t

January 11, 2023 424B3

PROKIDNEY CORP. Up to 239,420,000 Class A Ordinary Shares

PROSPECTUS SUPPLEMENT NO. 3 To Prospectus dated September 8, 2022 Filed Pursuant to Rule 424(b)(3) Registration No. 333-266683 PROKIDNEY CORP. Up to 239,420,000 Class A Ordinary Shares This prospectus supplement no. 3 supplements the prospectus dated September 8, 2022, as supplemented from time to time (the “Prospectus”), relating to (i) the resale from time to time by certain of the selling secur

January 10, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 10, 2023 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission

January 10, 2023 EX-99.1

ProKidney Announces Publication of Trial Design for Phase 2 Multicenter Clinical Trial of REACT for Late Stage 4 Diabetes-Related Chronic Kidney Disease - Article published online in the Journal of Blood Purification; to be included in future print e

Exhibit 99.1 ProKidney Announces Publication of Trial Design for Phase 2 Multicenter Clinical Trial of REACT for Late Stage 4 Diabetes-Related Chronic Kidney Disease - Article published online in the Journal of Blood Purification; to be included in future print edition - Winston-Salem, NC, January 10, 2023 — ProKidney Corp. (Nasdaq: PROK) (“ProKidney”), a leading late clinical-stage cellular thera

January 10, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 10, 2023 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission

January 10, 2023 EX-99.1

Forward-looking Statements This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. ProKidney’s actual results may differ from its expectations

J.P. Morgan Investor Conference January 2023 Exhibit 99.1 PROKIDNEY A Step Closer to Potential Dialysis Prevention REACT® [REnal Autologous Cell Therapy] Forward-looking Statements This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. ProKidney’s actual results may differ from its expectat

December 8, 2022 424B3

PROKIDNEY CORP. Up to 239,420,000 Class A Ordinary Shares

PROSPECTUS SUPPLEMENT NO. 2 To Prospectus dated September 8, 2022 Filed Pursuant to Rule 424(b)(3) Registration No. 333-266683 PROKIDNEY CORP. Up to 239,420,000 Class A Ordinary Shares This prospectus supplement no. 2 supplements the prospectus dated September 8, 2022, as supplemented from time to time (the ?Prospectus?), relating to (i) the resale from time to time by certain of the selling secur

December 6, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 02, 2022 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission

November 29, 2022 424B3

PROKIDNEY CORP. Up to 239,420,000 Class A Ordinary Shares

PROSPECTUS SUPPLEMENT NO. 1 To Prospectus dated September 8, 2022 Filed Pursuant to Rule 424(b)(3) Registration No. 333-266683 PROKIDNEY CORP. Up to 239,420,000 Class A Ordinary Shares This prospectus supplement no. 1 supplements the prospectus dated September 8, 2022, (the ?Prospectus?), relating to (i) the resale from time to time by certain of the selling securityholders named in the Prospectus

November 14, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 14, 2022 PROKIDNEY CORP. (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-40560 98-1586514 (State or Other Jurisdiction of Incorporation) (Commission

November 14, 2022 EX-99.1

ProKidney Reports Third Quarter 2022 Financial Results and Recent Corporate Highlights

Exhibit 99.1 ProKidney Reports Third Quarter 2022 Financial Results and Recent Corporate Highlights WINSTON-SALEM, N.C. ? November 14, 2022 ? ProKidney Corp. (Nasdaq: PROK) (?ProKidney? or the ?Company?), a leading late clinical-stage cellular therapeutics company focused on chronic kidney disease (CKD), today announced financial results for the third quarter ended September 30, 2022, and provided

November 14, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-40560 ProKidney Corp.

September 14, 2022 S-8

As filed with the Securities and Exchange Commission on September 14, 2022

As filed with the Securities and Exchange Commission on September 14, 2022 Registration No.

September 14, 2022 EX-FILING FEES

Calculation of registration fee

Exhibit 107.1 Calculation of Filing Fee Tables Form S-8 (Form Type) ProKidney Corp. (Exact Name of Registrant as Specified in its Charter) Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Class A Ordinary Shares, $0.0001 par v

September 12, 2022 SC 13G

PROK / ProKidney Corp - Class A / MORGAN STANLEY - MS INITIAL Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.)* PROKIDNEY CORP. - (Name of Issuer) Ordinary Shares - (Title of Class of Securities) G7S53R104 - (CUSIP Number) August 31, 2022 - (Date Of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this

September 9, 2022 424B3

PROKIDNEY CORP. Up to 239,420,000 Class A Ordinary Shares

424B3 1 d373959d424b3.htm 424B3 Table of Contents Filed Pursuant to Rule 424(b)(3) Registration No. 333-266683 PROSPECTUS PROKIDNEY CORP. Up to 239,420,000 Class A Ordinary Shares This prospectus relates to (i) the resale from time to time by certain of the selling securityholders named in this prospectus (the “Selling Securityholders”) of 6,890,000 Class A ordinary shares, par value $0.0001 per s

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