RMBS / Rambus Inc. - SEC-arkivering, Årsberetning, Fuldmagtserklæring

Rambus Inc. Conflict Minerals Report For the Reporting Period from January 1, 2025 to December 31, 2025

EX-1.01 Exhibit 1.01 Rambus Inc. Conflict Minerals Report For the Reporting Period from January 1, 2025 to December 31, 2025 Introduction This Conflict Minerals Report (this “Report”) of Rambus Inc. (“we,” “our,” “us,” “Rambus” or the “Company”) for the reporting period January 1, 2025 to December 31, 2025 (the “Reporting Period”) has been prepared in accordance with the requirements of Rule 13p-1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporati

SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I. R. S. Employer Identification No.) 4453 North First Street, Suite 100 San Jose, California 95134 (Address of princ

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) April 29, 2026 Rambus Inc. (Exact

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) April 29, 2026 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

Rambus Inc.

EX-10.1 Exhibit 10.1 Rambus Inc. 4453 North First Street, Suite 100 San Jose, CA 95134 408-462-8000 rambus.com March 27, 2026 Personal and Confidential Sumeet Gagneja Delivered via email Dear Sumeet: We are pleased to offer you a position with Rambus or one of its affiliates or subsidiaries (the “Company” or “Rambus”) as a Sr. Vice President and Chief Financial Officer. This letter will confirm th

Rambus Appoints Sumeet Gagneja as Chief Financial Officer

EX-99.1 Exhibit 99.1 Rambus Appoints Sumeet Gagneja as Chief Financial Officer Industry-proven finance leader brings deep semiconductor, data center and AI-driven computing ecosystem expertise to support long-term profitable growth SAN JOSE, Calif., April 29, 2026 — Rambus Inc. (NASDAQ: RMBS) today announced the appointment of Sumeet Gagneja as senior vice president and chief financial officer, ef

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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: 000-22339 RAMBUS IN

RAMBUS REPORTS FIRST QUARTER 2026 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FIRST QUARTER 2026 FINANCIAL RESULTS • Achieved strong Q1 results, delivering quarterly product revenue of $88.0 million, up 15% year over year • Generated strong quarterly cash from operations of $83.2 million • Expanded product and IP offerings for next-generation AI platforms, including the LPDDR5X SOCAMM2 server module chipset, the industry’s fastest HB

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): April 27, 2026 Rambus Inc. (Exact

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): April 27, 2026 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

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) April 23, 2026 Rambus Inc. (Exact

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) April 23, 2026 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

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

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 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))

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202 Proxy Statement and Annual Report NOTICEOFANNUALMEETINGOFSTOCKHOLDERS TOBEHELDVIRTUALLYONAPRIL23,2026 Toourstockholders: Youarecordiallyinvitedtoattendvirtuallythe2026AnnualMeetingofStockholders(andanyadjournments, postponementsorotherdelaysthereof,the“AnnualMeeting”)ofRambusInc.

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

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 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)) ☐ Definiti

[Signature Page to Follow]

Exhibit 10.30 RAMBUS INC. EMPLOYMENT AGREEMENT This Employment Agreement (the “Agreement”) is made and entered into by and between John Allen (“Executive”) and Rambus Inc., a Delaware corporation (the “Company”), effective as of February 27, 2026 (the “Effective Date”). 1. Duties and Scope of Employment. (a) Positions and Duties. Commencing on the date that the employment of the Company’s then-cur

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

Table of Contents 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: 000-22

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 12, 2026 Rambus Inc. (Exa

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 12, 2026 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numbe

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EX-99.1 Exhibit 99.1 Victor Peng Joins Rambus Board of Directors SAN JOSE, Calif. – February 12, 2026 – Rambus Inc. (NASDAQ: RMBS), a premier chip and silicon IP provider making data faster and safer, today announced the appointment of Victor Peng to its Board of Directors, effective Thursday, February 12, 2026. Mr. Peng is an accomplished executive with more than 40 years of leadership experience

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 4, 2026 Rambus Inc. (Exac

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 4, 2026 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

Rambus Announces Departure of Chief Financial Officer

EX-99.1 Exhibit 99.1 Rambus Announces Departure of Chief Financial Officer SAN JOSE, Calif. – February 10, 2026 – Rambus Inc. (NASDAQ: RMBS), a premier chip and silicon IP provider making data faster and safer, today announced that Desmond Lynch, senior vice president and chief financial officer (CFO), will resign from Rambus effective February 27, 2026, to pursue another opportunity. A formal sea

RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2025 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2025 FINANCIAL RESULTS • Achieved record 2025 revenue and earnings results • Delivered record quarterly product revenue of $96.8 million, fueling record annual product revenue of $347.8 million, up 41% from 2024 • Generated record quarterly and annual cash from operations of $99.8 million and $360.0 million, respectively SAN J

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 2, 2026 Rambus Inc. (Exa

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 2, 2026 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numbe

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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: 000-22339 RAMBU

RAMBUS REPORTS THIRD QUARTER 2025 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS THIRD QUARTER 2025 FINANCIAL RESULTS • Delivered very strong Q3 results and generated excellent quarterly cash from operations of $88.4 million • Achieved fourth consecutive quarterly product revenue record at $93.3 million SAN JOSE, Calif. – October 27, 2025 – Rambus Inc. (NASDAQ:RMBS), a provider of industry-leading chips and IP making data faster and saf

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 27, 2025 Rambus Inc. (Exa

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 27, 2025 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numbe

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144 0001941085 XXXXXXXX LIVE 0000917273 RAMBUS INC. 000-22339 4453 North First Street Suite 100 San Jose CA 95134 (408) 462-8000 DESMOND M LYNCH Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004 9074 920971.98 107593820 10/06/2025 NASDAQ Common 02/01/2025 Performance Shares ISSUER N 9074 02/01/2025 Not Applicable N DESMOND M LY

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144 0001480603 XXXXXXXX LIVE 0000917273 RAMBUS INC. 000-22339 4453 North First Street Suite 100 San Jose CA 95134 (408) 462-8000 MEERA RAO Director Common Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004 653 66599.47 107593820 10/01/2025 NASDAQ Common 04/03/2024 Restricted Stock ISSUER N 653 04/03/2024 Not Applicable N MEERA RAO 4453 North F

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144 0001941085 XXXXXXXX LIVE 0000917273 RAMBUS INC. 000-22339 4453 North First Street Suite 100 San Jose CA 95134 (408) 462-8000 DESMOND M LYNCH Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004 9074 832098.50 107593820 09/15/2025 NASDAQ Common 02/01/2025 Performance Shares Issuer N 9074 02/01/2025 Not Applicable Y 09/15/2025 0

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144 0001338515 XXXXXXXX LIVE 0000917273 RAMBUS INC. 000-22339 4453 North First Street Suite 100 San Jose CA 95134 (408) 462-8000 NECIP SAYINER Director Common Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004 7500 642225.75 107593820 09/11/2025 NASDAQ Common 11/08/2023 Exercised Shares Issuer N 7500 11/08/2023 Cash N NECIP SAYINER 4453 North

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144 0001480603 XXXXXXXX LIVE 0000917273 RAMBUS INC. 000-22339 4453 North First Street Suite 100 San Jose CA 95134 (408) 462-8000 MEERA RAO Director Common Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004 3000 215160.00 107593820 09/02/2025 NASDAQ Common 04/03/2024 Restricted Stock ISSUER N 3000 04/03/2024 Not Applicable Y 09/02/2025 05/30/20

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144 0001224180 XXXXXXXX LIVE 0000917273 RAMBUS INC. 000-22339 4453 North First Street Suite 100 San Jose CA 95134 (408) 462-8000 STEVEN LAUB Director Common Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004 2261 177994.96 107593820 08/29/2025 NASDAQ Common 05/02/2023 Restricted Stock Issuer N 2261 05/02/2023 Not Applicable Y 08/29/2025 /s/ St

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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: 000-22339 RAMBUS INC

RAMBUS REPORTS SECOND QUARTER 2025 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS SECOND QUARTER 2025 FINANCIAL RESULTS • Exceeded expectations for Q2 revenue and earnings • Achieved record quarterly product revenue of $81.3 million, up 43% year over year • Generated record quarterly cash from operations of $94.4 million SAN JOSE, Calif. – July 28, 2025 – Rambus Inc. (NASDAQ:RMBS), a provider of industry-leading chips and IP making data

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 28, 2025 Rambus Inc. (Exact

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 28, 2025 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

Rambus Inc. Conflict Minerals Report for the reporting period January 1, 2024 to December 31, 2024.

EX-1.01 Exhibit 1.01 Rambus Inc. Conflict Minerals Report For the Reporting Period from January 1, 2024 to December 31, 2024 Introduction This Conflict Minerals Report (this “Report”) of Rambus Inc. (“we,” “our,” “us,” “Rambus” or the “Company”) for the reporting period January 1, 2024 to December 31, 2024 (the “Reporting Period”) has been prepared in accordance with the requirements of Rule 13p-1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporati

SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I. R. S. Employer Identification No.) 4453 North First Street, Suite 100 San Jose, California 95134 (Address of princ

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) April 24, 2025 Rambus Inc. (Exact

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) April 24, 2025 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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: 000-22339 RAMBUS IN

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): April 28, 2025 Rambus Inc. (Exact

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): April 28, 2025 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

RAMBUS REPORTS FIRST QUARTER 2025 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FIRST QUARTER 2025 FINANCIAL RESULTS •Exceeded guidance for Q1 revenue and earnings •Delivered record quarterly product revenue of $76.3 million, up 52% year over year •Generated outstanding quarterly cash from operations of $77.4 million SAN JOSE, Calif. – April 28, 2025 – Rambus Inc. (NASDAQ:RMBS), a provider of industry-leading chips and IP making data f

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2025 Proxy Statement and Annual Report NOTICEOFANNUALMEETINGOFSTOCKHOLDERS TOBEHELDVIRTUALLYONAPRIL24,2025 Toourstockholders: Youarecordiallyinvitedtoattendvirtuallythe2025AnnualMeetingofStockholders(andanyadjournments, postponementsorotherdelaysthereof,the“AnnualMeeting”)ofRambusInc.

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

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 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))

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

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 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)) ☐ Definitive Pro

Settlement Agreement, dated December 9, 2013, between Rambus Inc., Micron Technology, Inc., and certain Micron affiliates.

Exhibit 10.15 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SETTLEMENT AGREEMENT THIS SETTLEMENT AGREEMENT (the “Agreement”) is made and entered into as of the 9th day of December, 2013 (the “Effective Date”) by and

Semiconductor Patent License Agreement, dated January 19, 2010, between Registrant and Samsung Electronics Co., Ltd.

Exhibit 10.10 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SEMICONDUCTOR PATENT LICENSE AGREEMENT BETWEEN RAMBUS INC. AND SAMSUNG ELECTRONICS CO., LTD. SEMICONDUCTOR PATENT LICENSE AGREEMENT This SEMICONDUCTOR PATE

Compensation Recovery Policy, as adopted on July 27, 2023.

Exhibit 97.1 RAMBUS INC. (“Rambus or the Company”) As adopted on July 27, 2023 COMPENSATION RECOVERY POLICY Document Number: CORP15 Rambus Inc. (the “Company”) is committed to strong corporate governance. As part of this commitment, the Company’s Board of Directors (the “Board”) and the Board’s Compensation and Human Resources Committee (the “Committee”) have adopted this clawback policy called th

Settlement Agreement, dated June 11, 2013, among Registrant, SK hynix and certain SK hynix affiliates.

Exhibit 10.13 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SETTLEMENT AGREEMENT THIS SETTLEMENT AGREEMENT (the “Agreement”) is made and entered into as of the July 1, 2013 by and among Rambus Inc., a Delaware corpo

Semiconductor Patent License Agreement, dated June 11, 2013, between Registrant and SK hynix.

Exhibit 10.14 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SEMICONDUCTOR PATENT LICENSE AGREEMENT This SEMICONDUCTOR PATENT LICENSE AGREEMENT (“Agreement”) is effective as of July 1, 2013 (the “Effective Date”) by

As filed with the Securities and Exchange Commission on February 24, 2025

As filed with the Securities and Exchange Commission on February 24, 2025 Registration No.

Filing Fee Table.

Exhibit 107.1 Calculation of Filing Fee Table Form S-8 (Form Type) Rambus Inc. (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 (1) Equity  Common Stock, $0.001 par value p

Settlement Agreement, dated January 19, 2010, among Registrant, Samsung Electronics Co., Ltd, Samsung Electronics America, Inc., Samsung Semiconductor, Inc. and Samsung Austin Semiconductor, L.P.

Exhibit 10.9 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SETTLEMENT AGREEMENT THIS SETTLEMENT AGREEMENT (the “Agreement”) is made by and among Rambus Inc., a Delaware corporation (“Rambus”), on the one hand, and S

Amendment to Semiconductor Patent License Agreement, dated December 30, 2013, by and between Rambus Inc. and Samsung Electronics Co., Ltd.

Exhibit 10.17 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. AMENDMENT TO SEMICONDUCTOR PATENT LICENSE AGREEMENT This Amendment (“Amendment”) to the Semiconductor Patent License Agreement dated January 19, 2010 (“SPL

Subsidiaries of Registrant.

Exhibit 21.1 SUBSIDIARIES OF REGISTRANT Rambus Canada Inc. Rambus Controllers, Inc. Rambus Ltd. (Grand Cayman Islands, BWI) Rambus Chip Technologies (India) Private Limited Rambus Korea, Inc. (South Korea) Rambus ROTW Holding B.V. Cryptography Research, Inc. PLDA Ltd (Bulgaria) PLDA SAS (France) Hardent Inc. (Canada)

Semiconductor Patent License Agreement, dated December 9, 2013, between Rambus, Inc. and Micron Technology, Inc.

Exhibit 10.16 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SEMICONDUCTOR PATENT LICENSE AGREEMENT This SEMICONDUCTOR PATENT LICENSE AGREEMENT (“Agreement”) is effective as of December 1, 2013 (“Effective Date”) by

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

Table of Contents 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: 000-22

Amendment 3 to Semiconductor Patent License Agreement, dated December 10, 2024, between Registrant and Micron Technology, Inc.

Exhibit 10.29 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. AMENDMENT NUMBER 3 TO SEMICONDUCTOR PATENT LICENSE AGREEMENT This Amendment Number 3 (“Amendment 3”) amends that certain Semiconductor Patent License Agree

Amendment 1 to Semiconductor Patent License Agreement, dated June 17, 2015, by and between Rambus Inc. and SK hynix Inc.

Exhibit 10.18 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. AMENDMENT 1 TO SEMICONDUCTOR PATENT LICENSE AGREEMENT This AMENDMENT 1 TO SEMICONDUCTOR PATENT LICENSE AGREEMENT (“Amendment”), effective as of the date of

Insider Trading Policy

Exhibit 19.1 RAMBUS INC. Revised November 7, 2024 INSIDER TRADING POLICY Document Number: 00613 I. PURPOSE This policy sets forth the restrictions on Insiders with respect to transactions in Rambus Inc. securities, Rambus Inc. and its subsidiaries hereinafter the “Company” or “Rambus”. II. OVERVIEW It is your responsibility to understand and follow this policy. Insider trading is illegal and a vio

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) FEBRUARY 3, 2025 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2024 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2024 FINANCIAL RESULTS •Delivered record quarterly product revenue of $73.4 million, up 11% sequentially and 37% year over year •Generated record annual cash from operations of $230.6 million for 2024, up 18% year over year •Extended patent license agreement with Micron through 2029 SAN JOSE, Calif. - February 3, 2025 - Rambus

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 9, 2024 Rambus Inc. (Exac

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 9, 2024 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

Rambus and Micron Technology Extend Patent License Agreement

EX-99.1 Exhibit 99.1 Rambus and Micron Technology Extend Patent License Agreement Five-year agreement extends product collaboration and enables broad access to Rambus innovations SAN JOSE, Calif. – Dec. 10, 2024 – Rambus Inc. (NASDAQ: RMBS), a premier chip and silicon IP provider making data faster and safer, today announced it has extended the term of its comprehensive patent license agreement wi

RMBS / Rambus Inc. / VANGUARD GROUP INC Passive Investment

240.13d-102 Schedule 13G - Information to be included in statements filed pursuant to 240.13d-1(b), (c), and (d) and amendments thereto filed pursuant to 240.13d-2. Securities and Exchange Commission, Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No. 15)* (Name of Issuer) Rambus Inc (Title of Class of Securities) Common Stock (CUSIP Number) 750917106 (Dat

RMBS / Rambus Inc. / BlackRock, Inc. Passive Investment

SC 13G/A 1 us7509171069110824.txt us7509171069110824.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 4) RAMBUS INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 750917106 - (CUSIP Number) September 30, 2024 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to des

RMBS / Rambus Inc. / VANGUARD GROUP INC Passive Investment

240.13d-102 Schedule 13G - Information to be included in statements filed pursuant to 240.13d-1(b), (c), and (d) and amendments thereto filed pursuant to 240.13d-2. Securities and Exchange Commission, Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No. 14)* (Name of Issuer) Rambus Inc (Title of Class of Securities) Common Stock (CUSIP Number) 750917106 (Dat

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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: 000-22339 RAMBU

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): October 28, 2024 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numbe

RAMBUS REPORTS THIRD QUARTER 2024 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS THIRD QUARTER 2024 FINANCIAL RESULTS •Delivered $66.4 million in product revenue, up 17% sequentially and 27% year over year •Achieved strong sequential earnings growth and generated excellent cash from operations of $62.1 million •Unveiled industry-first complete chipsets for next-generation, industry-standard DDR5 MRDIMMs and RDIMMs for the data center an

RMBS / Rambus Inc. / BlackRock, Inc. Passive Investment

SC 13G/A 1 us7509171069102324.txt us7509171069102324.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 4) RAMBUS INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 750917106 - (CUSIP Number) September 30, 2024 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to des

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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: 000-22339 RAMBUS INC

RAMBUS REPORTS SECOND QUARTER 2024 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS SECOND QUARTER 2024 FINANCIAL RESULTS •Achieved solid Q2 results in line with expectations and generated outstanding cash from operations of $70.4 million •Delivered $56.7 million in product revenue, up 13% sequentially •Continued product portfolio expansion with DDR5 server PMICs, Client Clock Driver, and PCIe 7 IP solutions SAN JOSE, Calif. – July 29, 202

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): July 29, 2024 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporati

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I. R. S. Employer Identification No.) 4453 North First Street, Suite 100 San Jose, California 95134 (Address of principa

Exhibit 1.01 – Rambus Inc. Conflict Minerals Report for the reporting period January 1, 2023 to December 31, 2023 as required by Items 1.01 and 1.02 of this Form SD.

Exhibit 1.01 Rambus Inc. Conflict Minerals Report For the Reporting Period from January 1, 2023 to December 31, 2023 Introduction This Conflict Minerals Report (this “Report”) of Rambus Inc. (“we,” “our,” “us,” “Rambus” or the “Company”) for the reporting period January 1, 2023 to December 31, 2023 (the “Reporting Period”) has been prepared in accordance with the requirements of Rule 13p-1 (the “R

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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: 000-22339 RAMBUS IN

RAMBUS REPORTS FIRST QUARTER 2024 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FIRST QUARTER 2024 FINANCIAL RESULTS •Delivered solid Q1 results and expanded leadership offerings for the data center •Completed $50.0 million accelerated share repurchase program •Launched industry-leading family of DDR5 PMICs for AI and traditional servers SAN JOSE, Calif. – April 29, 2024 – Rambus Inc. (NASDAQ:RMBS), a provider of industry-leading chips

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): April 29, 2024 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

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) April 25, 2024 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

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

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 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)) ☐ Definitive Proxy State

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

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 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))

ARS

2024 Proxy Statement and Annual Report NOTICEOFANNUALMEETINGOFSTOCKHOLDERS TOBEHELDVIRTUALLYONAPRIL25,2024 Toourstockholders: Youarecordiallyinvitedtoattendvirtuallythe2024AnnualMeetingofStockholders(andanyadjournments, postponementsorotherdelaysthereof,the“AnnualMeeting”)ofRambusInc.

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) February 29, 2024 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numbe

Form of ASR Agreement.

Exhibit 10.1 [] [] Facsimile: [] Telephone: [] c/o [] as Agent for [] [] [] Telephone: [] [February 29], 2024 To: Rambus, Inc. 4453 North First Street, Suite 100 San Jose, California 95134 Attention: Desmond Lynch, Senior Vice President, Finance and Chief Financial Officer Telephone No.: (408) 462-8000 Facsimile No.: (408) 462-8001 Re: Master Confirmation - Uncollared Accelerated Share Repurchase

Rambus Initiates Accelerated Share Repurchase Program

Exhibit 99.1 Rambus Initiates Accelerated Share Repurchase Program NEWS PROVIDED BY Rambus Inc. March 1, 2024 09:00 ET SAN JOSE, Calif., March 1, 2024 - (BUSINESS WIRE) – Rambus Inc. (NASDAQ: RMBS), a premier chip and silicon IP provider making data faster and safer, today announced that it initiated an accelerated share repurchase program with Royal Bank of Canada, through its agent RBC Capital M

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 26, 2024 Rambus Inc. (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): February 26, 2024 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numb

Letter from PricewaterhouseCoopers LLP dated February 28, 2024.

EX-16.1 Exhibit 16.1 February 28, 2024 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We have read the statements made by Rambus Inc. (copy attached), which we understand will be filed with the Securities and Exchange Commission, pursuant to Item 4.01 of Form 8-K of Rambus Inc. dated February 26, 2024. We agree with the statements concerning our Firm cont

Description of Securities.

Exhibit 4.3 DESCRIPTION OF SECURITIES References to “Rambus” and the “Company” herein are, unless the context otherwise indicates, only to Rambus Inc. and not to any of its subsidiaries. Description of Capital Stock The following is a summary of the Company’s capital stock and certain provisions of its Amended and Restated Certificate of Incorporation (the “Certificate”) and Amended and Restated B

Compensation Recovery Policy, as adopted on July 27, 2023.

Exhibit 97 RAMBUS INC. (“Rambus or the Company”) As adopted on July 27, 2023 COMPENSATION RECOVERY POLICY Document Number: CORP15 Rambus Inc. (the “Company”) is committed to strong corporate governance. As part of this commitment, the Company’s Board of Directors (the “Board”) and the Board’s Compensation and Human Resources Committee (the “Committee”) have adopted this clawback policy called the

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

Table of Contents 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: 000-22

Subsidiaries of Registrant.

Exhibit 21.1 SUBSIDIARIES OF REGISTRANT Rambus Canada Inc. Rambus Controllers, Inc. Rambus Delaware LLC Rambus International Ltd. Rambus K.K. (Japan) Rambus Ltd. (Grand Cayman Islands, BWI) Rambus Chip Technologies (India) Private Limited Rambus Korea, Inc. (South Korea) Rambus Global Inc. Rambus Information Technology Consulting (Shanghai) Co. Ltd. Rambus UK Ltd. Rambus ROTW Holding B.V. Cryptogr

RMBS / Rambus Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01780-rambusinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 13)* Name of issuer: Rambus Inc Title of Class of Securities: Common Stock CUSIP Number: 750917106 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule pur

RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2023 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2023 FINANCIAL RESULTS •Delivered strong Q4 results with revenue and earnings at the high end of guidance •Generated $54.8 million in cash from operations in Q4 •Produced quarterly product revenue of $53.7 million driven by memory interface chips •Launched industry’s first Gen4 DDR5 RCD for server memory modules SAN JOSE, Cali

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 5, 2024 Rambus Inc. (Exac

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 5, 2024 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

RMBS / Rambus Inc. / BlackRock Inc. Passive Investment

SC 13G/A 1 us7509171069012324.txt us7509171069012324.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 3) RAMBUS INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 750917106 - (CUSIP Number) December 31, 2023 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desi

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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: 000-22339 RAMBU

RAMBUS REPORTS THIRD QUARTER 2023 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS THIRD QUARTER 2023 FINANCIAL RESULTS •Delivered strong Q3 results with revenue and earnings above the midpoint of guidance •Generated $51.6 million in cash from operations and completed $100.0 million accelerated share repurchase program •Completed the sale of the PHY IP business, strengthening focus on chips and digital IP •Produced quarterly product reven

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): October 30, 2023 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numbe

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 6, 2023 Rambus Inc. (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): September 6, 2023 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numb

Rambus Completes Sale of PHY IP Assets to Cadence

EX-99.1 Exhibit 99.1 PRESS RELEASE Rambus Completes Sale of PHY IP Assets to Cadence SAN JOSE, Calif. – September 7, 2023 - Rambus Inc. (NASDAQ: RMBS), a premier chip and silicon IP provider making data faster and safer, today announced the completion of the previously announced sale of its PHY IP business to Cadence Design Systems, Inc. With this transaction, Rambus strengthens its focus on high-

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 Rambus Inc. (Exact

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 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

Rambus Initiates $100 Million Accelerated Share Repurchase Program

EX-99.1 Exhibit 99.1 Rambus Initiates $100 Million Accelerated Share Repurchase Program NEWS PROVIDED BY Rambus Inc. August 11, 2023, 09:00 ET SAN JOSE, Calif., August 11, 2023 /PRNewswire/ — Rambus Inc. (NASDAQ: RMBS), a premier chip and silicon IP provider making data faster and safer, today announced that it initiated an accelerated share repurchase program with Royal Bank of Canada, through it

Form of Accelerated Share Repurchase Program Agreement.

EX-10.1 Exhibit 10.1 [] [] Facsimile: [] Telephone: [] c/o [] as Agent for [] [] [] Telephone: [] August [10], 2023 To: Rambus, Inc. 4453 North First Street, Suite 100 San Jose, California 95134 Attention: Desmond Lynch, Senior Vice President, Finance and Chief Financial Officer Telephone No.: (408) 462-8000 Facsimile No.: (408) 462-8001 Re: Master Confirmation—Uncollared Accelerated Share Repurch

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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: 000-22339 RAMBUS INC

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): July 27, 2023 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

RAMBUS REPORTS SECOND QUARTER 2023 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS SECOND QUARTER 2023 FINANCIAL RESULTS •Delivered strong Q2 results with revenue in line and earnings at the high end of guidance •Generated $50.4 million in cash from operations •Produced quarterly product revenue of $55.0 million driven by memory interface chips SAN JOSE, Calif. – July 31, 2023 – Rambus Inc. (NASDAQ:RMBS), a provider of industry-leading ch

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 31, 2023 Rambus Inc. (Exact

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 31, 2023 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

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 19, 2023 Rambus Inc. (Exact

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 19, 2023 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

Asset Purchase Agreement by and between Rambus Inc. and Cadence Design Systems, Inc., dated as of July 19, 2023.

EX-2.1 Exhibit 2.1 Execution Version ASSET PURCHASE AGREEMENT by and between RAMBUS INC. and CADENCE DESIGN SYSTEMS, INC. Dated as of July 19, 2023 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS; INTERPRETATION 1.1 Defined Terms 1 1.2 Definitions 15 ARTICLE II THE TRANSACTIONS 2.1 Transferred Assets, Excluded Assets, Assumed Liabilities and Excluded Liabilities 16 2.2 Non-Assignable Assets 20 2.3 Sh

Cadence to Acquire Rambus PHY IP Assets Transaction to enrich Cadence’s established IP portfolio and strengthen Rambus’s focus on high-growth chips and digital IP

EX-99.1 Exhibit 99.1 For media inquiries, please contact: Cadence Newsroom 408-944-7039 [email protected] Cori Pasinetti Rambus Corporate Communications t: (650) 309-6226 [email protected] Cadence to Acquire Rambus PHY IP Assets Transaction to enrich Cadence’s established IP portfolio and strengthen Rambus’s focus on high-growth chips and digital IP SAN JOSE, Calif., July 20, 2023—Cadence D

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporati

SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I. R. S. Employer Identification No.) 4453 North First Street, Suite 100 San Jose, California 95134 (Address of princ

Rambus Inc. Conflict Minerals Report for the reporting period January 1, 2022 to December 31, 2022.

EX-1.01 2 d467341dex101.htm EX-1.01 Exhibit 1.01 Rambus Inc. Conflict Minerals Report For the Reporting Period from January 1, 2022 to December 31, 2022 Introduction This Conflict Minerals Report (this “Report”) of Rambus Inc. (“we,” “Rambus” or the “Company”) for the reporting period January 1, 2022 to December 31, 2022 (the “Reporting Period”) has been prepared in accordance with the requirement

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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: 000-22339 RAMBUS IN

Amendment 2 to Semiconductor Patent License Agreement, dated March 31, 2023, between Registrant and SK hynix.

Exhibit 10.1 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. AMENDMENT 2 TO SEMICONDUCTOR PATENT LICENSE AGREEMENT This AMENDMENT 2 TO SEMICONDUCTOR PATENT LICENSE AGREEMENT (the “Second Amendment”), effective as of J

2015 Equity Incentive Plan, as amended.

EX-10.1 Exhibit 10.1 RAMBUS INC. 2015 EQUITY INCENTIVE PLAN (as amended April 27, 2023) 1. Purposes of the Plan. The purposes of this Plan are: • to attract and retain the best available personnel for positions of substantial responsibility, • to provide incentives to individuals who perform services to the Company, and • to promote the success of the Company’s business. The Plan permits the grant

Amended and Restated Bylaws of Registrant dated April 27, 2023.

EX-3.2 Exhibit 3.2 AMENDED AND RESTATED BYLAWS OF RAMBUS INC. TABLE OF CONTENTS Page ARTICLE I CORPORATE OFFICES 1 1.1 REGISTERED OFFICE 1 1.2 OTHER OFFICES 1 ARTICLE II MEETINGS OF STOCKHOLDERS 1 2.1 PLACE OF MEETINGS 1 2.2 ANNUAL MEETING 1 2.3 SPECIAL MEETING 2 2.4 NOTICE OF STOCKHOLDERS’ MEETINGS 2 2.5 MANNER OF GIVING NOTICE; AFFIDAVIT OF NOTICE 2 2.6 QUORUM 2 2.7 ADJOURNED MEETING; NOTICE 3 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) April 27, 2023 Rambus Inc. (Exact

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) April 27, 2023 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

Amended and Restated Certificate of Incorporation of Registrant dated April 27, 2023.

EX-3.1 Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF RAMBUS INC. Rambus Inc., a corporation organized and existing under the laws of the State of Delaware, hereby certifies as follows: A. The name of the Corporation is Rambus Inc. The Corporation was originally incorporated under the same name and the original Certificate of Incorporation of the Corporation was filed with the De

RAMBUS REPORTS FIRST QUARTER 2023 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FIRST QUARTER 2023 FINANCIAL RESULTS •Delivered strong Q1 results with revenue and earnings at the high end of guidance •Produced quarterly product revenue of $63.8 million driven by memory interface chips, up 33% year over year •Extended comprehensive patent license agreement with SK hynix by 10 years through 2034 SAN JOSE, Calif. – May 1, 2023 – Rambus In

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 1, 2023 Rambus Inc. (Exact na

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 1, 2023 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I

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 31, 2023 Rambus Inc. (Exact

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 31, 2023 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

Rambus and SK hynix Extend Comprehensive License Agreement

EX-99.1 Exhibit 99.1 Rambus and SK hynix Extend Comprehensive License Agreement Agreement extended by ten years to 2034, enabling long-term collaboration on products and broad access to Rambus innovations SAN JOSE, Calif. – April 4, 2023 – Rambus Inc. (NASDAQ: RMBS), a premier chip and silicon IP provider making data faster and safer, today announced it has extended its comprehensive patent licens

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

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 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

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

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 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)) ☐ Definitive Pro

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 1, 2023 Rambus Inc. (Exact n

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 1, 2023 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (

Description of Securities.

Exhibit 4.3 DESCRIPTION OF SECURITIES References to “Rambus” and the “Company” herein are, unless the context otherwise indicates, only to Rambus Inc. and not to any of its subsidiaries. Description of Capital Stock The following is a summary of the Company’s capital stock and certain provisions of its Amended and Restated Certificate of Incorporation (the “Certificate”) and Amended and Restated B

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

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 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)) ☐ Defi

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

Table of Contents 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: 000-22

Amendment No. 2 dated October 27, 2022, to the Semiconductor Patent License Agreement, dated January 19, 2010, between Registrant and Samsung Electronics Co., Ltd.

Exhibit 10.31 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SECOND AMENDMENT TO SEMICONDUCTOR PATENT LICENSE AGREEMENT This Second Amendment (“Amendment”) to the Semiconductor Patent License Agreement dated January

Subsidiaries of Registrant.

Exhibit 21.1 SUBSIDIARIES OF REGISTRANT Rambus Canada Inc. Rambus Controllers, Inc. Rambus Delaware LLC Rambus International Ltd. Rambus K.K. (Japan) Rambus Ltd. (Grand Cayman Islands, BWI) Rambus Chip Technologies (India) Private Limited Rambus Korea, Inc. (South Korea) Rambus France SAS Rambus Global Inc. Rambus Information Technology Consulting (Shanghai) Co. Ltd. Rambus UK Ltd. Rambus ROTW Hol

RMBS / Rambus Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01755-rambusinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 12)* Name of issuer: Rambus Inc. Title of Class of Securities: Common Stock CUSIP Number: 750917106 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule pu

RMBS / Rambus Inc. / BlackRock Inc. Passive Investment

SC 13G/A 1 us7509171069020723.txt us7509171069020723.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 2) RAMBUS INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 750917106 - (CUSIP Number) December 31, 2022 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desi

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) FEBRUARY 6, 2023 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2022 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2022 FINANCIAL RESULTS •Delivered strong Q4 revenue and earnings in line with guidance •Produced record annual product revenue driven by memory interface chips, up 58% year over year •Generated record cash from operations of $230.4 million for full year 2022 SAN JOSE, Calif. - February 6, 2023 - Rambus Inc. (NASDAQ:RMBS), a pr

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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: 000-22339 RAMBU

RAMBUS REPORTS THIRD QUARTER 2022 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS THIRD QUARTER 2022 FINANCIAL RESULTS ?Exceeded guidance for Q3 revenue and earnings ?Delivered record quarterly product revenue driven by memory interface chips ?Generated $80 million in cash from operations ?Initiated $100 million accelerated share repurchase program SAN JOSE, Calif. ? October 31, 2022? Rambus Inc. (NASDAQ:RMBS), a provider of industry-lea

Entry into a Material Definitive Agreement, 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) October 27, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

Rambus and Samsung Electronics Extend Comprehensive Agreement

Exhibit 99.1 Rambus and Samsung Electronics Extend Comprehensive Agreement Ten-year agreement enables deep collaboration on products and broad access to Rambus innovations SAN JOSE, Calif. ? Oct. 31, 2022 ? Rambus Inc. (NASDAQ: RMBS), a premier chip and silicon IP provider making data faster and safer, today announced it has extended its comprehensive patent license agreement with Samsung Electron

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): October 31, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numbe

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

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 9, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numbe

Rambus Initiates Accelerated Share Repurchase Program

Exhibit 99.1 Rambus Initiates Accelerated Share Repurchase Program September 12, 2022 9:00 AM Eastern Daylight Time SAN JOSE, Calif. ?(BUSINESS WIRE)? Rambus Inc. (NASDAQ: RMBS), a provider of industry-leading chips and silicon IP making data faster and safer, today announced that it initiated an accelerated share repurchase program with Wells Fargo Bank, National Association (?Wells Fargo Bank?),

Form of Accelerated Share Repurchase Program Agreement.

Exhibit 10.1 [] [] Facsimile: [] Telephone: [] c/o [] as Agent for [] [] [] Telephone: [] September [9], 2022 To: Rambus Inc. 4453 North First Street, Suite 100 San Jose, California 95134 Attention: Desmond Lynch, Senior Vice President, Finance and Chief Financial Officer Telephone No.: (408) 462-8000 Facsimile No.: (408) 462-8001 Re: Master Confirmation?Uncollared Accelerated Share Repurchase Thi

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) August 11, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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, 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: 000-22339 RAMBUS INC

RAMBUS REPORTS SECOND QUARTER 2022 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS SECOND QUARTER 2022 FINANCIAL RESULTS ?Delivered Q2 revenue and earnings at the high end of guidance ?Achieved record quarterly product revenue driven by memory interface chips ?Expanded DDR5 portfolio with introduction of companion chips for server and client memory modules ?Generated $56.5 million in cash from operations SAN JOSE, Calif. ? August 1, 2022?

Rambus Appoints Desmond Lynch as Chief Financial Officer

Exhibit 99.1 PRESS RELEASE Rambus Appoints Desmond Lynch as Chief Financial Officer Mr. Lynch brings over 20 years of finance and semiconductor experience SAN JOSE, Calif. ? August 1, 2022 ? Rambus Inc. (NASDAQ: RMBS), a provider of industry-leading chips and silicon IP making data faster and safer, today announced it has appointed Mr. Desmond Lynch to the position of senior vice president, financ

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) August 1, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

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 1, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

LETTER

United States securities and exchange commission logo June 6, 2022 Keith Jones Interim Chief Financial Officer Rambus Inc.

Rambus Inc. Conflict Minerals Report for the reporting period January 1, 2021 to December 31, 2021.

EX-1.01 2 d486821dex101.htm EX-1.01 Exhibit 1.01 Rambus Inc. Conflict Minerals Report For the Reporting Period from January 1, 2021 to December 31, 2022 Introduction This Conflict Minerals Report (this “Report”) of Rambus Inc. (“we,” “Rambus” or the “Company”) for the reporting period January 1, 2021 to December 31, 2021 (the “Reporting Period”) has been prepared in accordance with the requirement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporati

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I. R. S. Employer Identification No.) 4453 North First Street, Suite 100 San Jose, California 95134 (Address of principa

***

May 27, 2022 Heather Clark and Claire Erlanger Division of Corporation Finance United States Securities and Exchange Commission 100 F Street, N.

LETTER

United States securities and exchange commission logo May 17, 2022 Keith Jones Interim Chief Financial Officer Rambus Inc.

***

May 10, 2022 Heather Clark and Claire Erlanger Division of Corporation Finance United States Securities and Exchange Commission 100 F Street, N.

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

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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, 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: 0

Rambus to Acquire Hardent, Accelerating Roadmap for Next-Generation Data Center Solutions Augments world-class engineering team with deep SoC digital design expertise for Rambus CXL Memory Interconnect Initiative

Exhibit 99.1 Rambus to Acquire Hardent, Accelerating Roadmap for Next-Generation Data Center Solutions Augments world-class engineering team with deep SoC digital design expertise for Rambus CXL Memory Interconnect Initiative SAN JOSE, Calif. ? May 5, 2022 ? Rambus Inc. (NASDAQ: RMBS), a provider of industry-leading chips and silicon IP making data faster and safer, today announced it has signed a

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) May 5, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I.

Steven Laub Joins Rambus Board of Directors

EX-99.1 2 d228741dex991.htm EX-99.1 Exhibit 99.1 Steven Laub Joins Rambus Board of Directors SAN JOSE, Calif. — May 4, 2022 — Rambus Inc. (NASDAQ: RMBS), a premier chip and silicon IP provider making data faster and safer, today announced the appointment of Steven Laub to its Board of Directors. Mr. Laub is an accomplished executive with over 25 years of semiconductor industry leadership experienc

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, 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) April 28, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

RAMBUS REPORTS FIRST QUARTER 2022 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FIRST QUARTER 2022 FINANCIAL RESULTS ?Exceeded Q1 guidance for revenue ?Delivered record quarterly product revenue of $48.0 million driven by memory interface chips ?Strengthened balance sheet by retiring debt and generating $42.6 million in cash from operations SAN JOSE, Calif. ? May 2, 2022? Rambus Inc. (NASDAQ:RMBS), a provider of industry-leading chips

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 2, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I

LETTER

United States securities and exchange commission logo April 27, 2022 Keith Jones Interim Chief Financial Officer Rambus Inc.

Director Transition and Consulting Agreement dated March 11, 2022, by and between Rambus Inc. and James Mitarotonda.

Exhibit 10.2 RAMBUS INC. DIRECTOR TRANSITION AND CONSULTING AGREEMENT This Director Transition and Consulting Agreement (this ?Agreement?) is entered into on March 11, 2022, by and between Rambus Inc., a Delaware corporation (the ?Company?) and Barington Companies Equity Partners, L.P. (?Barington Equity?) and Barington Capital Group, L.P. (?Barington Capital? and, together with Barington Equity,

Entry into a Material Definitive Agreement, 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 11, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

Rambus Announces James Mitarotonda to Become Board Advisor

Exhibit 99.1 Rambus Announces James Mitarotonda to Become Board Advisor SAN JOSE, Calif., March 11, 2022 ?Rambus Inc. (NASDAQ: RMBS), a provider of industry-leading chips and silicon IP making data faster and safer, today announced that James Mitarotonda will not seek re-election to the Company?s Board of Directors and will step down following the Company?s 2022 annual meeting of the stockholders.

Letter agreement dated as of March 11, 2022, among Rambus Inc., Barington Companies Equity Partners, L.P. and certain other parties.

Exhibit 10.1 Rambus Inc. 4453 North First Street, Suite 100 San Jose, CA 94089 March 11, 2022 Barington Companies Equity Partners, L.P. 888 Seventh Avenue, 6th Floor New York, NY 10019 Attn: James A. Mitarotonda Ladies and Gentlemen: This letter amends the letter agreement, dated March 12, 2021 (the ?Agreement?), between (a) Rambus Inc., a Delaware corporation (?Company?), and (b) Barington Compan

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

DEFA14A 1 d269957ddefa14a.htm 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 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

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

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 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)) ☒ Defi

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) March 2, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (

Description of Securities.

Exhibit 4.3 DESCRIPTION OF SECURITIES References to ?Rambus? and the ?Company? herein are, unless the context otherwise indicates, only to Rambus Inc. and not to any of its subsidiaries. Description of Capital Stock The following is a summary of the Company?s capital stock and certain provisions of its Amended and Restated Certificate of Incorporation (the ?Certificate?) and Amended and Restated B

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

Table of Contents 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, 2021 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: 000-22

Subsidiaries of Registrant.

Exhibit 21.1 SUBSIDIARIES OF REGISTRANT Rambus Canada Inc. Rambus Controllers, Inc. Rambus Delaware LLC Rambus International Ltd. Rambus K.K. (Japan) Rambus Ltd. (Grand Cayman Islands, BWI) Rambus Chip Technologies (India) Private Limited Rambus Korea, Inc. (South Korea) Rambus France SAS Rambus Global Inc. Rambus Information Technology Consulting (Shanghai) Co. Ltd. Rambus UK Ltd. Rambus ROTW Hol

Amended and Restated Certificate of Incorporation of Registrant filed May 29, 1997.

Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF RAMBUS INC. Rambus Inc., a corporation organized and existing under the laws of the State of Delaware, hereby certifies as follows: A. The name of the Corporation is Rambus Inc. The Corporation was originally incorporated under the same name and the original Certificate of Incorporation of the Corporation was filed with the Delaware

Certificate of Amendment of Amended and Restated Certificate of Incorporation of Registrant filed June 14, 2000.

Exhibit 3.2 CERTIFICATE OF AMENDMENT OF AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF RAMBUS INC. It is hereby certified that: 1. The name of the corporation (hereinafter called the ?Corporation?) is Rambus Inc. 2. The Amended and Restated Certificate of Incorporation of the Corporation as filed on May 29, 1997 (the ?Certificate of Incorporation?) is hereby amended by deleting in its entire

RMBS / Rambus Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 11)* Name of issuer: Rambus Inc. Title of Class of Securities: Common Stock CUSIP Number: 750917106 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ??Rule 1

RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2021 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2021 FINANCIAL RESULTS ?Achieved excellent Q4 results, exceeding guidance for revenue and profitability ?Produced record annual product revenue of $143.9 million driven by memory interface chips, up 26% year over year ?Generated record cash from operations of $209.2 million for full year 2021, with $72.2 million generated in Q

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) FEBRUARY 7, 2022 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

RMBS / Rambus Inc. / BlackRock Inc. Passive Investment

us7509171069012722.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 1) RAMBUS INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 750917106 - (CUSIP Number) December 31, 2021 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which t

RMBS / Rambus Inc. / BlackRock Inc. Passive Investment

us7509171069012522.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: ) RAMBUS INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 750917106 - (CUSIP Number) December 31, 2021 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which th

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

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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, 2021 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 Numbe

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 1, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

RAMBUS REPORTS THIRD QUARTER 2021 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS THIRD QUARTER 2021 FINANCIAL RESULTS ?Delivered Q3 revenue and profitability in line with guidance ?Generated $46.0 million in cash provided by operating activities ?Delivered record product revenue of $36.7 million, consisting mainly of memory interface chips ?Closed the acquisitions of AnalogX and PLDA, bolstering Silicon IP business and CXL Memory Interc

Rambus Announces Departure of Chief Financial Officer Affirms guidance for third quarter fiscal year 2021

Exhibit 99.1 Rambus Announces Departure of Chief Financial Officer Affirms guidance for third quarter fiscal year 2021 SAN JOSE, Calif. ? October 13, 2021 - Rambus Inc. (NASDAQ: RMBS) a provider of industry-leading chips and silicon IP making data faster and safer, today announced that Rahul Mathur, senior vice president and chief financial officer (CFO), will resign from Rambus effective November

Employment Agreement for Interim Vice President, Finance and Chief Financial Officer between the Company and Keith Jones, dated as of October 12, 2021.

Exhibit 10.1 RAMBUS INC. EMPLOYMENT AGREEMENT This Employment Agreement (the ?Agreement?) is made and entered into by and between Keith Jones (?Executive?) and Rambus Inc., a Delaware corporation (the ?Company?), effective as of November 15, 2021 (the ?Effective Date?). 1. Duties and Scope of Employment. (a) Positions and Duties. Commencing on the date that the employment of the Company?s then-cur

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, 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) October 8, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

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

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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, 2021 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: 00

RAMBUS REPORTS SECOND QUARTER 2021 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS SECOND QUARTER 2021 FINANCIAL RESULTS ?Exceeded Q2 guidance for revenue and profitability ?Generated $51.6 million in cash provided by operating activities ?Initiated $100 million accelerated share repurchase program ?Accelerated data center solution roadmap with CXL Memory Interconnect Initiative ?Announced the acquisitions of AnalogX and PLDA SAN JOSE, Ca

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 2, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

Master Confirmation between Deutsche Bank AG, London Branch, through its agent Deutsche Bank Securities Inc. (“Dealer”) and Rambus Inc., dated June 15, 2021.

Exhibit 10.1 Deutsche Bank Deutsche Bank AG, London Branch Winchester house 1 Great Winchester St, London EC2N 2DB Telephone: 44 20 7545 8000 c/o Deutsche Bank Securities Inc. 60 Wall Street New York, NY 10005 Telephone: 212-250-2500 Internal Reference: [ ] June 15, 2021 To: Rambus, Inc. 4453 North First Street, Suite 100 San Jose, California 95134 Attention: Vice President of Finance Telephone No

Rambus to Acquire PLDA, Extending Leadership with Cutting-Edge CXL™ and PCI Express® Digital IP

Exhibit 99.1 PRESS RELEASE Rambus to Acquire PLDA, Extending Leadership with Cutting-Edge CXL? and PCI Express? Digital IP ? Expands digital controller IP portfolio with complementary CXL 2.0, PCIe? 5.0 and PCIe 6.0 controller and switch IP ? Enables integrated interface subsystem solutions for data center, artificial intelligence and machine learning (AI/ML), and High Performance Computing (HPC)

Rambus to Acquire AnalogX, Accelerating Next-Generation Data Center Interface Solutions

Exhibit 99.2 PRESS RELEASE Rambus to Acquire AnalogX, Accelerating Next-Generation Data Center Interface Solutions ? Extends leadership in PCIe? 5.0 and 32G Multi-protocol SerDes with ultra-low power interface IP ? Accelerates time to market and enhances the Rambus roadmap for PAM4-based PCIe 6.0 and CXL? 3.0 solutions for data center, artificial intelligence and machine learning (AI/ML), 5G and H

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

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 15, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (

Unregistered Sales of Equity Securities, 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) June 15, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (

Rambus Initiates Accelerated Share Repurchase Program

Exhibit 99.1 News Release Rambus Initiates Accelerated Share Repurchase Program SAN JOSE, Calif., June 16, 2021 /PRNewswire/ - Rambus Inc. (NASDAQ: RMBS), a provider of industry-leading chips and silicon IP making data faster and safer, today announced that it initiated an accelerated share repurchase program with Deutsche Bank AG, London Branch as counterparty, through its agent Deutsche Bank Sec

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporati

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I. R. S. Employer Identification No.) 4453 North First Street, Suite 100 San Jose, California 95134 (Address of principa

Rambus Inc. Conflict Minerals Report For the Reporting Period from January 1, 2020 to December 31, 2020

Exhibit 1.01 Rambus Inc. Conflict Minerals Report For the Reporting Period from January 1, 2020 to December 31, 2020 Introduction This Conflict Minerals Report (this ?Report?) of Rambus Inc. (?we,? ?Rambus? or the ?Company?) for the reporting period January 1, 2020 to December 31, 2020 (the ?Reporting Period?) has been prepared in accordance with the requirements of Rule 13p-1 (the ?Rule?) and For

Form of Indemnification Agreement entered into by Registrant with each of its directors and executive officers.

Exhibit 10.1 RAMBUS INC. INDEMNIFICATION AGREEMENT This Indemnification Agreement (this ?Agreement?) is dated as of [insert date], and is between Rambus Inc., a Delaware corporation (the ?Company?), and [insert name of indemnitee] (?Indemnitee?). RECITALS Indemnitee?s service to the Company substantially benefits the Company. B. Individuals are reluctant to serve as directors or officers of corpor

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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, 2021 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: 0

Karen Rogge Joins Rambus Board of Directors

Exhibit 99.1 Karen Rogge Joins Rambus Board of Directors SAN JOSE, Calif. ? May 4, 2021 ? Rambus Inc. (NASDAQ: RMBS), a provider of industry-leading chips and silicon IP making data faster and safer, today announced the addition of Karen Rogge to its Board of Directors. Ms. Rogge is a proven executive with extensive finance and operations management experience at leading public technology companie

Financial Statements and Exhibits, Other Events, 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) April 29, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

RAMBUS REPORTS FIRST QUARTER 2021 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FIRST QUARTER 2021 FINANCIAL RESULTS ?Delivered strong Q1 results at high end of revenue and profitability targets ?Product revenue of $30.8 million, up 41% quarter over quarter, consisting primarily of memory interface chips ?Generated $39.5 million in cash provided by operating activities SAN JOSE, Calif. - May 3, 2021 - Rambus Inc. (NASDAQ:RMBS), a provi

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 3, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I.

-

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- DEF 14A

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 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)) ? Defi

Semiconductor Patent License Agreement, dated December 9, 2013, between Rambus, Inc. and Micron Technology, Inc.

Exhibit 10.19 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SEMICONDUCTOR PATENT LICENSE AGREEMENT This SEMICONDUCTOR PATENT LICENSE AGREEMENT (?Agreement?) is effective as of December 1, 2013 (?Effective Date?) by

Amendment No. 2 dated December 15, 2020, to the Semiconductor Patent License Agreement between Rambus Inc. and Micron Technology, Inc.

Exhibit 10.35 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. AMENDMENT NUMBER 2 TO SEMICONDUCTOR PATENT LICENSE AGREEMENT This Amendment Number 2 (?Amendment 2?) amends that certain Semiconductor Patent License Agree

Settlement Agreement, dated June 11, 2013, among Registrant, SK hynix and certain SK hynix affiliates.

Exhibit 10.16 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SETTLEMENT AGREEMENT THIS SETTLEMENT AGREEMENT (the ?Agreement?) is made and entered into as of the July 1, 2013 by and among Rambus Inc., a Delaware corpo

Settlement Agreement, dated January 19, 2010, among Registrant, Samsung Electronics Co., Ltd, Samsung Electronics America, Inc., Samsung Semiconductor, Inc. and Samsung Austin Semiconductor, L.P.

Exhibit 10.11 Conformed Copy CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SETTLEMENT AGREEMENT THIS SETTLEMENT AGREEMENT (the ?Agreement?) is made by and among Rambus Inc., a Delaware corporation (?Rambus?), on the

Annual Report - 10-K/A

Table of Contents 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, 2020 Or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission

Settlement Agreement, dated December 9, 2013, between Rambus Inc., Micron Technology, Inc., and certain Micron affiliates.

Exhibit 10.18 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SETTLEMENT AGREEMENT THIS SETTLEMENT AGREEMENT (the ?Agreement?) is made and entered into as of the 9th day of December, 2013 (the ?Effective Date?) by and

Subsidiaries of Registrant.

Exhibit 21.1 SUBSIDIARIES OF REGISTRANT Rambus Canada Inc. Rambus Controllers, Inc. Rambus Delaware LLC Rambus International Ltd. Rambus K.K. (Japan) Rambus Ltd. (Grand Cayman Islands, BWI) Rambus Chip Technologies (India) Private Limited Rambus Korea, Inc. (Korea) Rambus France SAS Rambus Global Inc. Rambus Information Technology Consulting (Shanghai) Co. Ltd. Rambus UK Ltd. Rambus ROTW Holding B

Semiconductor Patent License Agreement, dated January 19, 2010, between Registrant and Samsung Electronics Co., Ltd.

Exhibit 10.12 Conformed Copy CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. Semiconductor Patent License Agreement Between Rambus Inc. and Samsung Electronics Co., Ltd. SEMICONDUCTOR PATENT LICENSE AGREEMENT This SEM

Semiconductor Patent License Agreement, dated June 11, 2013, between Registrant and SK hynix.

Exhibit 10.17 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SEMICONDUCTOR PATENT LICENSE AGREEMENT This SEMICONDUCTOR PATENT LICENSE AGREEMENT (?Agreement?) is effective as of July 1, 2013 (the ?Effective Date?) by

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Letter agreement dated as of March 12, 2021, among Rambus Inc. and Barington Companies Equity Partners, L.P. and certain other parties

Exhibit 10.1 Rambus Inc. 4453 North First Street, Suite 100 San Jose, CA 94089 March 12, 2021 Barington Companies Equity Partners, L.P. 888 Seventh Avenue, 6th Floor New York, NY 10019 Attn: James A. Mitarotonda Ladies and Gentlemen: This letter (this ?Agreement?) constitutes the agreement between (a) Rambus Inc., a Delaware corporation (?Company?), and (b) Barington Companies Equity Partners, L.P

Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review

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 15, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Entry into a Material Definitive Agreement, 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 12, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

James Mitarotonda Joins Rambus Board of Directors

EX-99.1 Exhibit 99.1 James Mitarotonda Joins Rambus Board of Directors SAN JOSE, Calif., March 16, 2021 —Rambus Inc. (NASDAQ: RMBS), a provider of industry-leading chips and silicon IP making data faster and safer, today announced that James Mitarotonda joined its Board of Directors as a Class I director with a term expiring at Rambus’ 2022 annual meeting of stockholders. Mr. Mitarotonda currently

Settlement Agreement, dated January 19, 2010, among Registrant, Samsung Electronics Co., Ltd, Samsung Electronics America, Inc., Samsung Semiconductor, Inc. and Samsung Austin Semiconductor, L.P.

Exhibit 10.11 Conformed Copy CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SETTLEMENT AGREEMENT THIS SETTLEMENT AGREEMENT (the ?Agreement?) is made by and among Rambus Inc., a Delaware corporation (?Rambus?), on the

Semiconductor Patent License Agreement, dated December 9, 2013, between Rambus, Inc. and Micron Technology, Inc.

Exhibit 10.19 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SEMICONDUCTOR PATENT LICENSE AGREEMENT This SEMICONDUCTOR PATENT LICENSE AGREEMENT (?Agreement?) is effective as of December 1, 2013 (?Effective Date?) by

Settlement Agreement, dated June 11, 2013, among Registrant, SK hynix and certain SK hynix affiliates.

Exhibit 10.16 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SETTLEMENT AGREEMENT THIS SETTLEMENT AGREEMENT (the ?Agreement?) is made and entered into as of the July 1, 2013 by and among Rambus Inc., a Delaware corpo

Subsidiaries of Registrant.

Exhibit 21.1 SUBSIDIARIES OF REGISTRANT Rambus Canada Inc. Rambus Controllers, Inc. Rambus Delaware LLC Rambus International Ltd. Rambus K.K. (Japan) Rambus Ltd. (Grand Cayman Islands, BWI) Rambus Chip Technologies (India) Private Limited Rambus Korea, Inc. (Korea) Rambus France SAS Rambus Global Inc. Rambus Information Technology Consulting (Shanghai) Co. Ltd. Rambus UK Ltd. Rambus ROTW Holding B

Amendment No. 2 dated December 15, 2020, to the Semiconductor Patent License Agreement between Rambus Inc. and Micron Technology, Inc.

Exhibit 10.35 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. AMENDMENT NUMBER 2 TO SEMICONDUCTOR PATENT LICENSE AGREEMENT This Amendment Number 2 (?Amendment 2?) amends that certain Semiconductor Patent License Agree

Annual Report - 10-K

Table of Contents 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, 2020 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: 000-22

Semiconductor Patent License Agreement, dated June 11, 2013, between Registrant and SK hynix.

Exhibit 10.17 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SEMICONDUCTOR PATENT LICENSE AGREEMENT This SEMICONDUCTOR PATENT LICENSE AGREEMENT (?Agreement?) is effective as of July 1, 2013 (the ?Effective Date?) by

Settlement Agreement, dated December 9, 2013, between Rambus Inc., Micron Technology, Inc., and certain Micron affiliates.

Exhibit 10.18 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. SETTLEMENT AGREEMENT THIS SETTLEMENT AGREEMENT (the ?Agreement?) is made and entered into as of the 9th day of December, 2013 (the ?Effective Date?) by and

Semiconductor Patent License Agreement, dated January 19, 2010, between Registrant and Samsung Electronics Co., Ltd.

Exhibit 10.12 Conformed Copy CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. Semiconductor Patent License Agreement Between Rambus Inc. and Samsung Electronics Co., Ltd. SEMICONDUCTOR PATENT LICENSE AGREEMENT This SEM

SCHEDULE 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2 )* Rambus Inc (Name of Issuer) Common Stock (Title of Class of Securities) 750917106 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 10)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 10)* Name of issuer: Rambus Inc. Title of Class of Securities: Common Stock CUSIP Number: 750917106 Date of Event Which Requires Filing of this Statement: December 31, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 1

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - 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) February 5, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

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) February 1, 2021 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2020 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS FOURTH QUARTER AND FISCAL YEAR 2020 FINANCIAL RESULTS •Delivered strong Q4 results, in line with revenue and exceeding profitability expectations •Beat 2020 guidance for annual revenue and earnings •Generated $185.5 million in cash provided by operating activities for the full year, up 44% year over year •Record annual product revenue of $114.0 million driv

SC 13G

us7509171069012521.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: ) RAMBUS INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 750917106 - (CUSIP Number) December 31, 2020 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which th

Master Confirmation between Deutsche Bank AG, London Branch as counterparty, through its agent Deutsche Bank Securities Inc. (“Deutsche Bank”) and Rambus Inc., dated November 11, 2020.

EX-10.1 Exhibit 10.1 Deutsche Bank Deutsche Bank AG, London Branch Winchester house 1 Great Winchester St, London EC2N 2DB Telephone: 44 20 7545 8000 c/o Deutsche Bank Securities Inc. 60 Wall Street New York, NY 10005 Telephone: 212-250-2500 Internal Reference: [ ] November 11, 2020 To: Rambus, Inc. 4453 North First Street, Suite 100 San Jose, California 95134 Attention: Vice President of Finance

Rambus Initiates Accelerated Share Repurchase Program

EX-99.1 Exhibit 99.1 News Release Rambus Initiates Accelerated Share Repurchase Program SAN JOSE, Calif. - November 12, 2020 - Rambus Inc. (NASDAQ: RMBS), a premier silicon IP and chip provider making data faster and safer, today announced it has initiated an accelerated share repurchase program with Deutsche Bank AG, London Branch as counterparty, through its agent Deutsche Bank Securities Inc. (

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events - 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 11, 2020 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numbe

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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, 2020 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 Numbe

Amendment No. 1 to Semiconductor Patent License Agreement, dated September 2, 2020, between Rambus, Inc. and Micron Technology, Inc.

Exhibit 10.1 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. AMENDMENT NUMBER 1 TO SEMICONDUCTOR PATENT LICENSE AGREEMENT This Amendment Number 1 (“Amendment 1”) amends that certain Semiconductor Patent License Agreem

RAMBUS REPORTS THIRD QUARTER 2020 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS THIRD QUARTER 2020 FINANCIAL RESULTS •Strong quarter, delivering on revenue, exceeding expectations for profit and generating $44.1 million in cash provided by operating activities •Memory interface chip quarterly revenue up 39% year over year; on track for over 50% full-year growth •Micron DRAM license extended for an additional 4 years •New stock repurcha

Rambus Announces New Stock Repurchase Program Board of directors authorizes repurchase of up to 20 million shares

News Release Rambus Announces New Stock Repurchase Program Board of directors authorizes repurchase of up to 20 million shares SAN JOSE, Calif.

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events - 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 2, 2020 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number

Entry into a Material Definitive Agreement, Financial Statements and Exhibits - 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) September 2, 2020 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Numbe

Rambus and Micron Extend Patent License Agreement

EX-99.1 Exhibit 99.1 Rambus and Micron Extend Patent License Agreement SAN JOSE, Calif. – Sept 3, 2020 – Rambus Inc. (Nasdaq: RMBS), a premier silicon IP and chip provider making data faster and safer, today announced it has extended its patent license agreement with Micron for an additional four years. The extension maintains the existing financial terms of the agreement and provides Micron with

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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, 2020 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: 00

First Amendment to Net Lease Agreement dated April 22, 2020 relating to the New San Jose Headquarters Location between Rambus Inc. and 237 North First Street Holdings, LLC.

Exhibit 10.1 FIRST AMENDMENT TO NET LEASE AGREEMENT This First Amendment to Net Lease Agreement (“First Amendment”) is made as of April 1, 2020, by and between 237 NORTH FIRST STREET HOLDINGS, LLC, a Delaware limited liability company (“Landlord”), and RAMBUS INC., a Delaware corporation (“Tenant”). RECITALS A. Landlord and Tenant are parties to that certain Lease Agreement dated, for reference pu

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 3, 2020 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

RAMBUS REPORTS SECOND QUARTER 2020 FINANCIAL RESULTS

Exhibit 99.1 News Release RAMBUS REPORTS SECOND QUARTER 2020 FINANCIAL RESULTS •Excellent quarter, at the high end of expectations for revenue and profit •$62.0 million in cash provided by operating activities, the highest quarterly cash generation in over 10 years •Fifth consecutive quarter of record revenue from memory interface chips driven by strong demand in data center SAN JOSE, Calif. - Aug

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): July 30, 2020 Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number)

Greg Lang Joins Rambus Board of Directors Proven technology executive brings 30 years of semiconductor industry leadership experience

EX-99.1 Exhibit 99.1 PRESS RELEASE Greg Lang Joins Rambus Board of Directors Proven technology executive brings 30 years of semiconductor industry leadership experience SUNNYVALE, Calif. — Jul. 30, 2020 — Rambus Inc. (NASDAQ: RMBS), a premier silicon IP and chip provider dedicated to delivering data faster and safer, today announced the appointment of Greg Lang to its Board of Directors, effective

- FORM SD

Form SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Rambus Inc. (Exact name of registrant as specified in its charter) Delaware 000-22339 94-3112828 (State or other jurisdiction of incorporation) (Commission File Number) (I. R. S. Employer Identification No.) 1050 Enterprise Way, Suite 700, Sunnyvale, California 94089 (Address of pr

Rambus Inc. Conflict Minerals Report For the Reporting Period from January 1, 2019 to December 31, 2019

EX-1.01 Exhibit 1.01 Rambus Inc. Conflict Minerals Report For the Reporting Period from January 1, 2019 to December 31, 2019 Introduction This Conflict Minerals Report (this “Report”) of Rambus Inc. (“we,” “Rambus” or the “Company”) for the reporting period January 1, 2019 to December 31, 2019 (the “Reporting Period”) has been prepared in accordance with the requirements of Rule 13p-1 (the “Rule”)

- S-8

S-8 As filed with the Securities and Exchange Commission on May 29, 2020 Registration No.

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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, 2020 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: 0