ASTC / Astrotech Corporation - SEC-arkivering, Årsberetning, Fuldmagtserklæring

$24,492,819 Common Stock

Table of Contents Filed pursuant to Rule 424(b)(5) Registration Statement No. 333-293023 PROSPECTUS SUPPLEMENT (To prospectus dated January 30, 2026) $24,492,819 Common Stock We have entered into an at-the-market offering agreement (the “Offering Agreement”) with H.C. Wainwright & Co., LLC (“Wainwright” or the “Sales Agent”), dated June 2, 2026, relating to the sale of shares of our common stock o

AT THE MARKET OFFERING AGREEMENT June 2, 2026

Exhibit 1.1 AT THE MARKET OFFERING AGREEMENT June 2, 2026 H.C. Wainwright & Co., LLC 430 Park Avenue New York, NY 10022 Ladies and Gentlemen: Astrotech Corporation, a corporation organized under the laws of Delaware (the “Company”), confirms its agreement (this “Agreement”) with H.C. Wainwright & Co., LLC (the “Manager”) as follows: 1. Definitions. The terms that follow, when used in this Agreemen

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 2, 2026 Astrotech Corporation

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 2, 2026 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Astrotech Reports Third Quarter of Fiscal Year 2026 Financial Results

Exhibit 99.1 Astrotech Reports Third Quarter of Fiscal Year 2026 Financial Results AUSTIN, Texas, May 13, 2026 (GLOBE NEWSWIRE) - Astrotech Corporation (Nasdaq: ASTC) (the “Company” or “Astrotech”) reported its financial results for the third quarter of fiscal year 2026, which ended March 31, 2026. Financial Highlights & Recent Developments ● Research and development expense was $554 thousand, a d

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, 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 00

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2026 Astrotech Corporation

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2026 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Astrotech Reports Second Quarter of Fiscal Year 2026 Financial Results

Exhibit 99.1 Astrotech Reports Second Quarter of Fiscal Year 2026 Financial Results AUSTIN, Texas, Feb. 13, 2026 (GLOBE NEWSWIRE) - Astrotech Corporation (Nasdaq: ASTC) (the “Company” or “Astrotech”) reported its financial results for the second quarter of fiscal year 2026, which ended December 31, 2025. Financial Highlights & Recent Developments ● Research and development expense was $1,832 thous

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 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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2026 Astrotech Corpora

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2026 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

LETTER

January 29, 2026 Thomas B. Pickens III Chief Executive Officer Astrotech Corporation 1817 W. Braker Lane, Suite 400 Austin, TX 78758 Re: Astrotech Corporation Registration Statement on Form S-3 Filed January 28, 2026 File No. 333-293023 Dear Thomas B. Pickens III: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 rega

Astrotech Corporation 1817 W. Braker Lane, Suite 400 Austin, Texas 78758

Astrotech Corporation 1817 W. Braker Lane, Suite 400 Austin, Texas 78758 VIA EDGAR SUBMISSION January 29, 2026 United States Securities and Exchange Commission Division of Corporation Finance Office of Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Nicholas O’Leary Re: Astrotech Corporation Registration Statement on Form S-3 Filed January 28, 2026 Registration File No. 333-293023 Lad

ASTROTECH CORPORATION, DATED AS OF , 2026 SUBORDINATED DEBT SECURITIES TABLE OF CONTENTS

Exhibits 4.6 ASTROTECH CORPORATION, ISSUER AND [TRUSTEE], TRUSTEE INDENTURE DATED AS OF , 2026 SUBORDINATED DEBT SECURITIES TABLE OF CONTENTS Page Article I DEFINITIONS 1 Section 1.1 Definitions of Terms. 1 Article II ISSUE, DESCRIPTION, TERMS, EXECUTION, REGISTRATION AND EXCHANGE OF SECURITIES 4 Section 2.1 Designation and Terms of Securities. 4 Section 2.2 Form of Securities and Trustee’s Certif

Security Type

Calculation of Filing Fee Tables S-3 ASTROTECH Corp Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Equity Common Stock 457(o) Equity Preferred Stock 457(o) Debt Debt Securities 457(o) Other Warrants 457(o) Other Units 457(o) Fees to be Paid 1 Unallocated (Universal) Shelf 457(o) $ 30,000,000.

As filed with the Securities and Exchange Commission on January 28, 2026

Table of Contents As filed with the Securities and Exchange Commission on January 28, 2026 Registration No.

ASTROTECH CORPORATION, ISSUER AND [TRUSTEE], TRUSTEE INDENTURE DATED AS OF , 2026 SENIOR DEBT SECURITIES TABLE OF CONTENTS

Exhibit 4.5 ASTROTECH CORPORATION, ISSUER AND [TRUSTEE], TRUSTEE INDENTURE DATED AS OF , 2026 SENIOR DEBT SECURITIES TABLE OF CONTENTS Page Article I DEFINITIONS 1 Section 1.1 Definitions of Terms. 1 Article II ISSUE, DESCRIPTION, TERMS, EXECUTION, REGISTRATION 4 Section 2.1 Designation and Terms of Securities. 4 Section 2.2 Form of Securities and Trustee’s Certificate. 6 Section 2.3 Denominations

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 12, 2025 Astrotech Corpora

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 12, 2025 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

AMENDMENT NO. 3 RIGHTS AGREEMENT

Exhibit 4.4 AMENDMENT NO. 3 TO RIGHTS AGREEMENT This Amendment No. 3 (this “Amendment”) to the Rights Agreement (as defined below) is made and entered into as of December 12, 2025, by and between Astrotech Corporation, a Delaware corporation (the “Company”), and Equiniti Trust Company, LLC, as rights agent (the “Rights Agent”). RECITALS: WHEREAS, the Company and the Rights Agent have entered into

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

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

ASTROTECH CORPORATION TRANSACTION BONUS PLAN

Exhibit 10.1 ASTROTECH CORPORATION TRANSACTION BONUS PLAN This Astrotech Corporation Transaction Bonus Plan (this “Plan”) was approved and adopted by the Board of Directors (the “Board”) of Astrotech Corporation, a Delaware corporation (the “Company”), effective as of November 5, 2025 (the “Effective Date”). SECTION 1. PURPOSE. The purpose of the Plan is to secure and retain the services of certai

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, 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 numbe

Press Release, dated November 13, 2025, issued by Astrotech Corporation.

Exhibit 99.1 Astrotech Reports First Quarter of Fiscal Year 2026 Financial Results AUSTIN, Texas, Nov. 12, 2025 (GLOBE NEWSWIRE) - Astrotech Corporation (Nasdaq: ASTC) (the “Company” or “Astrotech”) reported its financial results for the first quarter of fiscal year 2026, which ended September 30, 2025. Financial Highlights & Recent Developments ● Revenue increased to $297 thousand or 35% in the f

Effective Date: July 1, 2015

Exhibit 19.1 Page 1 of 8 CORPORATE POLICY Subject: Insider Trading Policy Effective Date: July 1, 2015 This Insider Trading Policy describes the standards of Astrotech Corporation (the “Company”) on trading, and causing the trading of, the Company’s securities or securities of certain other publicly-traded companies while in possession of confidential information. This policy is divided into two p

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2025 Astrotech Corpora

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2025 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

ASTROTECH CORPORATION TRANSACTION BONUS PLAN

Exhibit 10.1 ASTROTECH CORPORATION TRANSACTION BONUS PLAN This Astrotech Corporation Transaction Bonus Plan (this “Plan”) was approved and adopted by the Board of Directors (the “Board”) of Astrotech Corporation, a Delaware corporation (the “Company”), effective as of November 5, 2025 (the “Effective Date”). SECTION 1. PURPOSE. The purpose of the Plan is to secure and retain the services of certai

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 5, 2025 Astrotech Corporat

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 5, 2025 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Astrotech Corporation Appoints Scott Bartley as Interim Chief Financial Officer

Exhibit 99.1 Astrotech Corporation Appoints Scott Bartley as Interim Chief Financial Officer AUSTIN, Texas, October 31, 2025 (GLOBE NEWSWIRE) - Astrotech Corporation (Nasdaq: ASTC) (the “Company” or (“Astrotech”), today announced that it has appointed Scott Bartley as Interim Chief Financial Officer (“CFO”) of the Company, effective as of October 20, 2025. “We are pleased to announce Scott Bartley

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 Astrotech Corporat

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

EXHIBIT 10.2

Exhibit 10.2

UNITED STATES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Schedule 14A Information 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 Ru

UNITED STATES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Schedule 14A Information 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 Ru

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 17, 2025 Astrotech Corporat

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 17, 2025 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Amendment No. 2 to Letter of Agreement

Exhibit 10.7 Amendment No. 2 to Letter of Agreement This Amendment No. 2 to the Letter of Agreement (“Amendment No. 2”) with an effective date of December 1, 2021 (“Amendment No. 2 Effective Date”), is made by and between Astrotech Technologies, Inc., and its subsidiaries, a Delaware corporation having its principal place of business at 2028 E. Ben White Blvd., #240-9530, Austin, Texas 78741 (“Cus

Fourth Amendment to Letter of Agreement

Exhibit 10.9 This Exhibit 10.9 includes certain identified information that has been redacted because it is both (i) not material and (ii) the type of information that the registrant customarily and actually treats as private and confidential. Where information has been redacted, it has been so indicated by a “[***]”. Fourth Amendment to Letter of Agreement This fourth Amendment (this “Amendment”)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 30, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 1

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 30, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-34426 Astrotech Co

Amendment No. 3 to Letter of Agreement

Exhibit 10.8 Amendment No. 3 to Letter of Agreement This Amendment No. 3 to the Letter of Agreement (“Amendment No. 3”) with an effective date of October 12, 2022 (“Amendment No. 3 Effective Date”), is made by and between Astrotech Technologies, Inc., and its subsidiaries, a Delaware corporation having its principal place of business at 2105 Donley Drive, Suite 100, Austin, Texas 78758 (“Customer”

Astrotech Corporation DESCRIPTION OF CAPITAL STOCK

EXHIBIT 4.1 Astrotech Corporation DESCRIPTION OF CAPITAL STOCK General The following is a summary of the material terms and provisions of our capital stock, Certificate of Incorporation (as amended, the “Certificate of Incorporation”), Amended and Restated Bylaws (as amended, the “Bylaws”), Certificate of Designations of Series A Junior Participating Preferred Stock (the “Series A Certificate of D

Subsidiaries of the Registrant

EXHIBIT 21.1 Subsidiaries of the Registrant State of Incorporation 1) Astrogenetix, Inc. Delaware 2) 1st Detect Corporation Delaware 3) Agriculture Technology Corporation Delaware 4) Medikinetix, Inc. Delaware 5) Astrotech Technologies, Inc. Delaware 6) BreathTech Corporation Delaware 7) AgLAB Inc. Delaware 8) Cargo Security Center International, Inc. Delaware 9) AgLAB Remediation Company, LLC Del

Amendment No. 1 to Letter of Agreement

Exhibit 10.6 Amendment No. 1 to Letter of Agreement This Amendment No. 1 to the Letter of Agreement (“Amendment No. 1”) with an effective date of September 22, 2021 (“Amendment No. 1 Effective Date”), is made by and between Astrotech Corporation and its subsidiaries, a Delaware corporation having its principal place of business at 2028 E. Ben Wright Blvd., #240-9530, Austin, Texas 78741 (“Customer

ASTROTECH REPORTS FISCAL YEAR 2025 FINANCIAL RESULTS

Exhibit 99.1 ASTROTECH REPORTS FISCAL YEAR 2025 FINANCIAL RESULTS Austin, Texas – September 25, 2025 – Astrotech Corporation (Nasdaq: ASTC) (the “Company” or “Astrotech”) reported its financial results for the fiscal year ended June 30, 2025. Financial Highlights & Fiscal Year Developments ● Revenue decreased to $1.0 million as Astrotech’s subsidiary, 1st Detect, sold less devices compared to prio

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 25, 2025 Astrotech Corpor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 25, 2025 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2025 Astrotech Corporati

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2025 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Astrotech Corporation Appoints Nihanth Badugu as Chief Operating Officer

Exhibit 99.1 Astrotech Corporation Appoints Nihanth Badugu as Chief Operating Officer AUSTIN, Texas, August 18, 2025 (GLOBE NEWSWIRE) - Astrotech Corporation (Nasdaq: ASTC) (the “Company” or “Astrotech”), today announced that it has appointed Nihanth Badugu as Chief Operating Officer (“COO”) of the Company. Mr. Badugu’s appointment is effective as of August 13, 2025. “The Board is thrilled to prom

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Termination of a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 22, 2025 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Astrotech Corporation Appoints Jennifer Ca

Exhibit 99.1 Astrotech Corporation Appoints Jennifer Cañas as Chief Financial Officer AUSTIN, Texas, May 28, 2025 (GLOBE NEWSWIRE) - Astrotech Corporation (Nasdaq: ASTC) (the “Company” or (“Astrotech”), today announced that it has appointed Jennifer Cañas as Chief Financial Officer (“CFO”) of the Company. Ms. Cañas’ appointment is effective as of May 22, 2025. “The Board is delighted to promote Ms

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, 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 00

Astrotech Reports Third Quarter of Fiscal Year 2025 Financial Results

Exhibit 99.1 Astrotech Reports Third Quarter of Fiscal Year 2025 Financial Results AUSTIN, Texas, May 13, 2025 (GLOBE NEWSWIRE) - Astrotech Corporation (Nasdaq: ASTC) (the “Company” or “Astrotech”) reported its financial results for the third quarter of fiscal year 2025, which ended March 31, 2025. Thomas B. Pickens, III, Astrotech’s Chairman, Chief Executive Officer and Chief Technology Officer,

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2025 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 10, 2025 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

1st Detect Unveils Enhanced TRACER 1000 Narcotics Trace Detector Intended to Combat Synthetic Opiates and Novel Psychoactive Substances

Exhibit 99.1 1st Detect Unveils Enhanced TRACER 1000 Narcotics Trace Detector Intended to Combat Synthetic Opiates and Novel Psychoactive Substances AUSTIN, Texas, March 10, 2025 (GLOBE NEWSWIRE) - Astrotech Corporation (Nasdaq: ASTC) today announced the launch of its enhanced TRACER 1000™ Narcotics Trace Detector (“TRACER 1000 NTD”) from its 1st Detect subsidiary. This innovative mobilized mass s

Astrotech Creates New Subsidiary EN-SCAN, Inc. EN-SCAN GC-MS Product Line For Air, Water, and Soil Analysis To Be Introduced at PITTCON 2025

Exhibit 99.1 Astrotech Creates New Subsidiary EN-SCAN, Inc. EN-SCAN GC-MS Product Line For Air, Water, and Soil Analysis To Be Introduced at PITTCON 2025 AUSTIN, Texas, February 28, 2025 (GLOBAL NEWSWIRE) - Astrotech Corporation (NASDAQ: ASTC) announced today that it has created a new wholly owned subsidiary, EN-SCAN, Inc. (“EN-SCAN”), to manufacture and sell a new line of instruments built for en

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 28, 2025 Astrotech Corpora

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 28, 2025 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Astrotech Reports Second Quarter of Fiscal Year 2025 Financial Results

Exhibit 99.1 Astrotech Reports Second Quarter of Fiscal Year 2025 Financial Results AUSTIN, Texas, Feb. 14, 2025 (GLOBE NEWSWIRE) - Astrotech Corporation (Nasdaq: ASTC) (the “Company” or “Astrotech”) reported its financial results for the second quarter of fiscal year 2025, which ended December 31, 2024. Financial Highlights & Recent Developments ● Fiscal year 2025 Q2 revenue of $295 thousand is p

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 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

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 14, 2025 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Independent Contractor Agreement by and between the Company and Jaime Hinojosa, dated January 21, 2025.

Exhibit 10.1 Astrotech Corporation 2028 E. Ben White Blvd. #240-9530 Austin, Texas 78741 www.astrotechcorp.com ASTROTECH CORPORATION INDEPENDENT CONTRACTOR AGREEMENT This Independent Contractor Agreement (the “Agreement”) is entered into by and between Astrotech Corporation, a Delaware corporation (the “Company”), and Jaime Hinojosa (“Consultant”) and is effective as of February 15, 2025 (the “Eff

Jaime Hinojosa Resigns as Chief Financial Officer to Work in Family Business

Exhibit 99.1 Jaime Hinojosa Resigns as Chief Financial Officer to Work in Family Business AUSTIN, Texas, January 24, 2025 (GLOBE NEWSWIRE) - Astrotech Corporation (NASDAQ: ASTC) ("Astrotech" or the "Company") announced the resignation of its Chief Financial Officer, Jaime Hinojosa, effective February 14, 2025. Mr. Hinojosa will continue to serve in the CFO role until February 14, 2025, and after t

Independent Contractor Agreement by and between the Company and Ryan Polk, dated January 22, 2025.

Exhibit 10.3 Astrotech Corporation 2028 E. Ben White Blvd. #240-9530 Austin, Texas 78741 www.astrotechcorp.com ASTROTECH CORPORATION INDEPENDENT CONTRACTOR AGREEMENT This Independent Contractor Agreement (the “Agreement”) is entered into by and between Astrotech Corporation, a Delaware corporation (the “Company”), and With Finance Team LLC (“Consultant”) and is effective as of February 15, 2025 (t

Regulation FD Disclosure, 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, DC 20549 FORM 8-K/A (Amendment No.

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 23, 2025 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

1ST DETECT SECURES FIRST PURCHASE ORDER FOR TSA APPROVED TRACER 1000™ ETDs

Exhibit 99.1 1ST DETECT SECURES FIRST PURCHASE ORDER FOR TSA APPROVED TRACER 1000™ ETDs Austin, Texas – January 23, 2025 Astrotech Corporation (NASDAQ: ASTC) announced today that its 1st Detect subsidiary has received a purchase order for its TRACER 1000™ explosive trace detectors (ETDs) from Intuitive Research and Technology Corporation (INTUITIVE®) a TSA contractor. The purchase order is valued

1st Detect Awarded a Homeland Security Research and Development Contract to Expand the TRACER 1000TM Explosive Threat Detection

Exhibit 99.1 1st Detect Awarded a Homeland Security Research and Development Contract to Expand the TRACER 1000TM Explosive Threat Detection AUSTIN, Texas, September 30, 2024 (GLOBE NEWSWIRE) - Astrotech Corporation (NASDAQ: ASTC) ("Astrotech" or the "Company") and its wholly-owned subsidiary, 1st Detect Corporation, announced that the Company has been awarded research and development (“R&D”) cont

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 14, 2025 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

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, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 7, 2025 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Form of Amended and Restated Indemnification Agreement.

Exhibit 10.1 ASTROTECH CORPORATION FORM OF AMENDED AND RESTATED INDEMNIFICATION AGREEMENT This Amended and Restated Indemnification Agreement (the "Agreement"), dated as of [●], 2024, is entered into by and between Astrotech Corporation, a Delaware corporation (the "Company"), and ("Indemnitee"). RECITALS A. The Company's Certificate of Incorporation, executed on December 22, 2017, provides that a

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Entry into a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 18, 2024 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2024 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Amendment No. 2 to Rights Agreement dated as of December 12, 2024, to the Rights Agreement between the Company and Equiniti Trust Company, as Rights Agent, dated as of December 21, 2022.

Exhibit 4.3 AMENDMENT NO. 2 TO RIGHTS AGREEMENT This Amendment No. 2 (this “Amendment”) to the Rights Agreement (as defined below) is made and entered into as of December 12, 2024, by and between Astrotech Corporation, a Delaware corporation (the “Company”), and Equiniti Trust Company, LLC, as rights agent (the “Rights Agent”). RECITALS: WHEREAS, the Company and the Rights Agent have entered into

Entry into a Material Definitive Agreement, Material Modification to Rights of Security Holders, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 12, 2024 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

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, 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 numbe

Astrotech Reports First Quarter of Fiscal Year 2025 Financial Results

Exhibit 99.1 Astrotech Reports First Quarter of Fiscal Year 2025 Financial Results AUSTIN, Texas, Nov. 12, 2024 (GLOBE NEWSWIRE) - Astrotech Corporation (Nasdaq: ASTC) (the “Company” or “Astrotech”) reported its financial results for the first quarter of fiscal year 2025, which ended September 30, 2024. Financial Highlights & Recent Developments ● Operating expenses increased $119 thousand or 3.3%

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 12, 2024 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Schedule 14A Information 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 Ru

UNITED STATES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Schedule 14A Information 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 Ru

Description of Securities.

EXHIBIT 4.1 Astrotech Corporation DESCRIPTION OF CAPITAL STOCK General The following is a summary of the material terms and provisions of our capital stock, Certificate of Incorporation (as amended, the “Certificate of Incorporation”), Amended and Restated Bylaws (as amended, the “Bylaws”), Certificate of Designations of Series A Junior Participating Preferred Stock (the “Series A Certificate of D

Amendment #1 to Investigator- Initiated Study Agreement, dated March 14, 2023, by and between The Cleveland Clinic Foundation and BreathTech Corporation

Exhibit 10.15 Amendment #1 to Investigator-Initiated Study Agreement This F Amendment #1 to the Investigator-Initiated Study Agreement(“Amendment #1”) is entered into as of the date of last signature and made effective as of November 15, 2022 (the “Effective Date”) by and between The Cleveland Clinic Foundation (“Institution”), an Ohio non-profit corporation with offices at 9500 Euclid Avenue, Cle

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 ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-34426 Astrotech Co

Astrotech Corporation and Subsidiaries — Subsidiaries of the Registrant

EXHIBIT 21.1 Subsidiaries of the Registrant State of Incorporation 1) Astrogenetix, Inc. Delaware 2) 1st Detect Corporation Delaware 3) Agriculture Technology Corporation Delaware 4) Medikinetix, Inc. Delaware 5) Astral Images Corporation Delaware 6) Astrotech Technologies, Inc. Delaware 7) BreathTech Corporation Delaware 8) AgLAB Inc. Delaware 9) Cargo Security Center International, Inc. Delaware

Amendment No. 2 to Joint Development and Option Agreement, dated June 21, 2022, by and between The Cleveland Clinic Foundation and BreathTech Corporation.

Exhibit 10.10 This page needs to be retained with the Agreement at all times. COMPANY INFORMATION BreathTech Corporation 2028 E. BEN WHITE BLVD. #240-9530 AUSTIN, TX 78741 CONTRACT INFORMATION Contract ID: 4270915 Master Agreement Number: 4238605 Dept Reference No.: Contract Description: AMENDMENT NO. 2 TO JOINT DEVELPMENT AND OPTION AGREEMENT, ADDING ADDITIONAL DISEASE INDICATIONS TO ORIGINAL AGR

First Amendment to Joint Development and Option Agreement, dated April 6, 2022, by and between The Cleveland Clinic Foundation and BreathTech Corporation.

Exhibit 10.9 First Amendment To Joint Development and Option Agreement This First Amendment ("Amendment") is made as of March 23, 2022 ("Amendment Effective Date") by and between The Cleveland Clinic Foundation, an Ohio non-profit corporation located at 9500 Euclid Avenue, Cleveland, Ohio 44195 (hereinafter referred to along with its Affiliates as "CCF"), and BreathTech Corporation, a wholly owned

Astrotech Corporation Compensation Recovery Policy.

Exhibit 97.1 ASTROTECH CORPORATION Compensation Recovery Policy This Compensation Recovery Policy (this “Policy”) of Astrotech Corporation (the “Company”) is hereby adopted as of November 17, 2023 in compliance with Section 10D of the Exchange Act and Rule 5608 of The Nasdaq Stock Market LLC Rules. Certain terms shall have the meanings set forth in “Section 3. Definitions” below. Section 1. Recove

Amendment No. 3 to Joint Development and Option Agreement, dated December 11, 2023, by and between The Cleveland Clinic Foundation and BreathTech Corporation.

Exhibit 10.11 AMENDMENT NO. 3 TO JOINT DEVELOPMENT AND OPTION AGREEMENT BETWEEN THE CLEVELAND CLINIC FOUNDATION AND BREATHTECH CORPORATION This Amendment No. 3 to Joint Development and Option Agreement (this “Amendment”), is made and entered into effective as of November 21, 2023 (the “Amendment Date”), by and between The Cleveland Clinic Foundation (“CCF”) and BreathTech Corporation (“Company”, a

ASTROTECH REPORTS FISCAL YEAR 2024 FINANCIAL RESULTS

Exhibit 99.1 ASTROTECH REPORTS FISCAL YEAR 2024 FINANCIAL RESULTS Austin, Texas – September 19, 2024 – Astrotech Corporation (Nasdaq: ASTC) (the “Company” or “Astrotech”) reported its financial results for the fiscal year ended June 30, 2024. Financial Highlights & Fiscal Year Developments ● Revenue increased to $1.7 million as Astrotech’s subsidiary, 1st Detect, gained traction in the internation

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 19, 2024 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

TSA Grants 1st Detect’s TRACER 1000 Acceptance onto the “Approved” Section of the Air Cargo Security Technology List

Exhibit 99.1 TSA Grants 1st Detect’s TRACER 1000 Acceptance onto the “Approved” Section of the Air Cargo Security Technology List Austin, Texas, June 20, 2024 (GLOBE NEWSWIRE) - Astrotech Corporation (NASDAQ: ASTC) ("Astrotech" or the "Company") and its wholly-owned subsidiary, 1st Detect Corporation, announce that the U.S. Transportation Security Administration (“TSA”) has approved the TRACER 100

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 20, 2024 Astrotech Corporation

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 20, 2024 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

ASTROTECH SUBSIDIARY AGLAB, INC. ANNOUNCES JOINT EFFORT WITH SC LABS

Exhibit 99.1 ASTROTECH SUBSIDIARY AGLAB, INC. ANNOUNCES JOINT EFFORT WITH SC LABS AUSTIN, Texas, June 13, 2024 (GLOBE NEWSWIRE) - AgLAB, Inc., (“AgLAB”) a subsidiary of Astrotech Corporation (NASDAQ: ASTC) (“Astrotech”, or the “Company”), and SC Labs announced today that the companies will be jointly marketing the AgLAB 1000-D2TM mass spectrometer and the AgLAB Maximum Value Process testing method

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 13, 2024 Astrotech Corporation

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 13, 2024 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

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, 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 00

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2024 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

ASTROTECH REPORTS THIRD QUARTER OF FISCAL YEAR 2024 FINANCIAL RESULTS

Exhibit 99.1 ASTROTECH REPORTS THIRD QUARTER OF FISCAL YEAR 2024 FINANCIAL RESULTS Austin, Texas – May 13, 2024 – Astrotech Corporation (Nasdaq: ASTC) (the “Company” or “Astrotech”) reported its financial results for the third quarter of fiscal year 2024, which ended March 31, 2024. Financial Highlights & Recent Developments ● Astrotech’s consolidated balance sheet remains strong with $34.7 millio

Astrotech Introduces the “Gold Standard” of Mass Spectrometry into Narcotics Detection Market with its State-of-the-Art Tracer 1000

Exhibit 99.1 Astrotech Introduces the “Gold Standard” of Mass Spectrometry into Narcotics Detection Market with its State-of-the-Art Tracer 1000 The TRACER 1000™ is a mass spectrometry-based trace analyzer; its detection library now includes narcotics such as fentanyl, heroin, and cocaine. AUSTIN, Texas - March 25, 2024 (GLOBENEWSWIRE) – Astrotech Corporation (NASDAQ: ASTC) ("Astrotech" or the "Co

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 25, 2024 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

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 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

ASTROTECH REPORTS SECOND QUARTER OF FISCAL YEAR 2024 FINANCIAL RESULTS

Exhibit 99.1 ASTROTECH REPORTS SECOND QUARTER OF FISCAL YEAR 2024 FINANCIAL RESULTS Austin, Texas – February 12, 2024 – Astrotech Corporation (Nasdaq: ASTC) (the “Company” or “Astrotech”) reported its financial results for the second quarter of fiscal year 2024, which ended December 31, 2023. Financial Highlights & Recent Developments ● Year-to-date revenue totaled $1,540 thousand compared to $301

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2024 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 15, 2023 Astrotech Corpora

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 15, 2023 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 18, 2023 Astrotech Corpora

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 18, 2023 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Amendment No. 1 to Rights Agreement dated as of December 18, 2023 to the Rights Agreement between the Company and Equiniti Trust Company, as Rights Agent, dated as of December 21, 2022.

Exhibit 4.2 AMENDMENT NO. 1 TO RIGHTS AGREEMENT This Amendment No. 1 (this “Amendment”) to the Rights Agreement (as defined below) is made and entered into as of December 18, 2023, by and between Astrotech Corporation, a Delaware corporation (the “Company”), and Equiniti Trust Company (f/k/a American Stock Transfer & Trust Company, LLC), as rights agent (the “Rights Agent”). RECITALS: WHEREAS, the

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 12, 2023 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Astrotech Announces Exciting New Technology Application and Introduces New Subsidiary

Exhibit 99.1 Astrotech Announces Exciting New Technology Application and Introduces New Subsidiary Astrotech Corporation Announces Chemical Process Control System AUSTIN, Texas, December 12, 2023 – (GLOBE NEWSWIRE) - Astrotech Corporation (NASDAQ:ASTC) ("Astrotech" or the "Company") announces formation of a wholly owned subsidiary Pro-Control, Inc. (“Pro-Control”) and has entered into an exclusive

ASTROTECH REPORTS FIRST QUARTER OF FISCAL YEAR 2024 FINANCIAL RESULTS

Exhibit 99.1 ASTROTECH REPORTS FIRST QUARTER OF FISCAL YEAR 2024 FINANCIAL RESULTS Austin, Texas – November 13, 2023 – Astrotech Corporation (Nasdaq: ASTC) (the “Company” or “Astrotech”) reported its financial results for the first quarter of fiscal year 2024, which ended September 30, 2023. Financial Highlights & Recent Developments ● Astrotech’s consolidated balance sheet remains strong with $39

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, 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 numbe

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 9, 2023 Astrotech Corporat

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 9, 2023 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

1ST DETECT SECURES SIGNIFICANT PURCHASE ORDER FOR ADDITIONAL CHECKPOINT SECURITY UNITS

Exhibit 99.1 1ST DETECT SECURES SIGNIFICANT PURCHASE ORDER FOR ADDITIONAL CHECKPOINT SECURITY UNITS Austin, Texas – November 13, 2023 Astrotech Corporation (NASDAQ: ASTC) announced today that its 1st Detect subsidiary has accepted another significant purchase order for seven of its TRACER 1000™ explosives trace detectors (ETDs), for an airport security checkpoint. The systems will be deployed in a

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2023 Astrotech Corpora

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2023 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Schedule 14A Information 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 Ru

UNITED STATES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Schedule 14A Information 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 Ru

Changes in Registrant's Certifying Accountant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 12, 2023 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 28, 2023 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Description of Securities.

EXHIBIT 4.1 Astrotech Corporation DESCRIPTION OF CAPITAL STOCK General The following is a summary of the material terms and provisions of our capital stock, Certificate of Incorporation (as amended, the “Certificate of Incorporation”), Amended and Restated Bylaws (as amended, the “Bylaws”), Certificate of Designations of Series A Junior Participating Preferred Stock (the “Series A Certificate of D

Astrotech Corporation and Subsidiaries — Subsidiaries of the Registrant

EXHIBIT 21.1 Subsidiaries of the Registrant State of Incorporation 1) Chemtech Services, Inc. Delaware 2) Astrogenetix, Inc. Delaware 3) 1st Detect Corporation Delaware 4) Agriculture Technology Corporation Delaware 5) Medikinetix, Inc. Delaware 6) Astral Images Corporation Delaware 7) Astrotech Technologies, Inc. Delaware 8) BreathTech Corporation Delaware 9) AgLAB Inc. Delaware 10) Cargo Securit

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 ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-34426 Astrotech Co

ASTROTECH REPORTS FISCAL YEAR 2023 FINANCIAL RESULTS

Exhibit 99.1 ASTROTECH REPORTS FISCAL YEAR 2023 FINANCIAL RESULTS Austin, Texas – September 28, 2023 – Astrotech Corporation (Nasdaq: ASTC) (the “Company” or “Astrotech”) reported its financial results for the fiscal year ended June 30, 2023. Financial Highlights & Fiscal Year Developments ● Astrotech’s consolidated balance sheet remains strong with $42.1 million in cash and cash equivalents and l

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2023 Astrotech Corporatio

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2023 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Letter dated August 7, 2023 from Armanino LLP to the Securities and Exchange Commission (incorporated by reference to Exhibit 16.1 to the Registrant’s Form 8-K filed with the Securities and Exchange Commission on August 7, 2023).

Exhibit 16.1 Armanino LLP 15950 N. Dallas Parkway Suite 600 Dallas, TX 75248-6685 972 661 1843 main armanino.com Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We have read Item 4.01 of Form 8-K of Astrotech Corporation dated August 7, 2023, and agree with the statements concerning our firm contained therein. We have no basis to agree or disagree with oth

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

(incorporated by reference to Exhibit 3.1 of the Registrant’s Form 8-K filed with the Securities and Exchange Commission on August 1, 2023).

Exhibit 3.1 ASTROTECH CORPORATION Incorporated under the laws of the State of Delaware AMENDED AND RESTATED BY-LAWS July 31, 2023 AMENDED AND RESTATED BY-LAWS of ASTROTECH CORPORATION Adopted July 31, 2023 PREAMBLE These Amended and Restated By-laws (these “By-laws”) are subject to, and governed by, the Delaware General Corporation Law (the “DGCL”) and the Certificate of Incorporation of Astrotech

ASTROTECH BOARD UNANIMOUSLY REJECTS UNSOLICITED ACQUISITION PROPOSAL FROM BML INVESTMENT PARTNERS, L.P. Determines Proposal is Opportunistic, Significantly Undervalues the Company, Does Not Reflect the Company’s True Intrinsic Value or Prospects and

Exhibit 99.1 ASTROTECH BOARD UNANIMOUSLY REJECTS UNSOLICITED ACQUISITION PROPOSAL FROM BML INVESTMENT PARTNERS, L.P. Determines Proposal is Opportunistic, Significantly Undervalues the Company, Does Not Reflect the Company’s True Intrinsic Value or Prospects and is Not in the Best Interests of Stockholders Austin, Texas, June 30, 2023 – Astrotech Corporation (Nasdaq: ASTC) (the “Company” or “Astro

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 30, 2023 Astrotech Corporation

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 30, 2023 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 26, 2023 Astrotech Corporation

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 26, 2023 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

ASTROTECH CONFIRMS RECEIPT OF UNSOLICTED NON-BINDING ACQUISITION PROPOSAL

Exhibit 99.1 ASTROTECH CONFIRMS RECEIPT OF UNSOLICTED NON-BINDING ACQUISITION PROPOSAL Austin, Texas – June 27, 2023 – Astrotech Corporation (Nasdaq: ASTC) (the “Company” or “Astrotech”) announced today that it has received an unsolicited, non-binding proposal from BML Investment Partners, L.P. (“BML”) to acquire all of the outstanding shares of common stock of the Company for cash consideration o

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 26, 2023 Astrotech Corporation

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 26, 2023 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

US0464843095 / Astrotech Corp. / BML Investment Partners, L.P. - NONE Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. n/a )* Astrotech Corporation (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 046484309 (CUSIP Number) Braden Leonard, BML Capital Management, LLC 65 E Cedar - Suite 2 Zionsville, IN 46077 Phone : 3173442447 (Name, Add

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 16, 2023 Astrotech Corporation

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 16, 2023 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

ASTROTECH CORPORATION Common Stock

Table of Contents Filed pursuant to Rule 424(b)(5) Registration Statement No. 333-253835 Prospectus Supplement (To Prospectus Dated March 15, 2021) ASTROTECH CORPORATION $5,982,724 Common Stock We have entered into an at-the-market offering agreement (the “Offering Agreement”) with H.C. Wainwright & Co., LLC (“Wainwright” or the “Distribution Agent”), dated June 16, 2023, relating to the sale of s

At the Market Offering Agreement, dated June 16, 2023, by and between Astrotech Corporation and H.C. Wainwright & Co., LLC

Exhibit 1.1 AT THE MARKET OFFERING AGREEMENT June 16, 2023 H.C. Wainwright & Co., LLC 430 Park Avenue New York, NY 10022 Ladies and Gentlemen: Astrotech Corporation, a corporation organized under the laws of Delaware (the “Company”), confirms its agreement (this “Agreement”) with H.C. Wainwright & Co., LLC (the “Manager”) as follows: 1. Definitions. The terms that follow, when used in this Agreeme

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, 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 00

ASTROTECH REPORTS THIRD QUARTER OF FISCAL YEAR 2023 FINANCIAL RESULTS

Exhibit 99.1 ASTROTECH REPORTS THIRD QUARTER OF FISCAL YEAR 2023 FINANCIAL RESULTS Austin, Texas – May 11, 2023 – Astrotech Corporation (Nasdaq: ASTC) (the “Company” or “Astrotech”) reported its financial results for its third quarter of fiscal year 2023, which ended March 31, 2023. Financial Highlights & Recent Developments ● Astrotech’s consolidated balance sheet remains strong with $44.1 millio

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 11, 2023 Astrotech Corporation

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 11, 2023 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2023 Astrotech Corporation (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2023 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

1ST DETECT SECURES SIGNIFICANT PURCHASE ORDER FOR CHECKPOINT SECURITY

Exhibit 99.1 1ST DETECT SECURES SIGNIFICANT PURCHASE ORDER FOR CHECKPOINT SECURITY Austin, Texas – May 8, 2023 Astrotech Corporation (NASDAQ: ASTC) announced today that its 1st Detect subsidiary has received a 17 unit order for its TRACER 1000™ explosives trace detector (ETD). The systems will be deployed in Europe with deliveries scheduled to be fulfilled over the remainder of this calendar year.

ASTROTECH ANNOUNCES CONFIRMED AGLAB, INC. FIELD TRIAL RESULTS

Exhibit 99.1 ASTROTECH ANNOUNCES CONFIRMED AGLAB, INC. FIELD TRIAL RESULTS Austin, Texas – May 9, 2023 –Astrotech Corporation (NASDAQ: ASTC) (the “Company”), is announcing today that its subsidiary, AgLAB, Inc., confirmed the results from field trials using the AgLAB 1000-D2TM mass spectrometer and the Maximum Value ProcessTM testing method (“AgLAB MVP”). AgLAB MVP is designed to improve yields an

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 9, 2023 Astrotech Corporation (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 9, 2023 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 22, 2023 Astrotech Corpora

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 22, 2023 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2023 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

ASTROTECH REPORTS SECOND QUARTER OF FISCAL YEAR 2023 FINANCIAL RESULTS

Exhibit 99.1 ASTROTECH REPORTS SECOND QUARTER OF FISCAL YEAR 2023 FINANCIAL RESULTS Austin, Texas – February 13, 2023 – Astrotech Corporation (Nasdaq: ASTC) (the “Company” or “Astrotech”) reported its financial results for its second quarter of fiscal year 2023, which ended December 31, 2022. Financial Highlights & Recent Developments ● Astrotech’s consolidated balance sheet remains strong with $4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2023 Astrotech Corpora

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2023 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

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 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

ASTC / Astrotech Corp / BML Investment Partners, L.P. - NONE Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* Astrotech Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 046484309 (CUSIP Number) Calendar Year 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant t

ASTC / Astrotech Corp / BML Investment Partners, L.P. - NONE Passive Investment

SC 13G/A 1 doc1.htm NONE UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* Astrotech Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 046484309 (CUSIP Number) Calendar Year 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rul

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 27, 2023 Astrotech Corporat

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 27, 2023 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

ASTROTECH APPOINTS BOB MCFARLAND TO BOARD OF DIRECTORS

Exhibit 99.1 ASTROTECH APPOINTS BOB MCFARLAND TO BOARD OF DIRECTORS Austin, Texas – February 1, 2023 – Astrotech Corporation (Nasdaq: ASTC) announced today that it has increased the size of its Board of Directors from four to five directors and has appointed Bob McFarland as a director of the Company. Mr. McFarland brings to Astrotech’s Board extensive executive management experience with domestic

ASTC / Astrotech Corp / Huckleberry Investments LLP - FORM SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 5)* Astrotech Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 046484309 (CUSIP Number) December 31, 2022 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this S

ASTROTECH ADOPTS LIMITED-DURATION STOCKHOLDER RIGHTS PLAN Designed to ensure fair and equal treatment of all investors

Exhibit 99.1 ASTROTECH ADOPTS LIMITED-DURATION STOCKHOLDER RIGHTS PLAN Designed to ensure fair and equal treatment of all investors Austin, Texas, December 21, 2022 ? Astrotech Corporation (Nasdaq: ASTC) (the ?Company? or ?Astrotech?) today announced that its Board of Directors (the ?Board?) has unanimously adopted a limited-duration stockholder rights plan (the ?Rights Plan?) to protect the inter

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 19, 2022 Astrotech Corpora

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 19, 2022 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 Astrotech Corporation (Exact Name of Registra

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 Astrotech Corporation (Exact Name of Registrant as Specified in Its Charter) Delaware 91-1273737 (State of Incorporation or Organization) (I.R.S. Employer Identification No.) 2105 Donley Drive, S

ASTROTECH REGAINS COMPLIANCE WITH NASDAQ LISTING REQUIREMENTS

Exhibit 99.1 ASTROTECH REGAINS COMPLIANCE WITH NASDAQ LISTING REQUIREMENTS Austin, Texas, December 21, 2022 – Astrotech Corporation (Nasdaq: ASTC) (the “Company” or “Astrotech”), a mass spectrometry company that launches, manages, and commercializes scalable companies based on its innovative core technology, today announced that it has received written notice from The Nasdaq Stock Market LLC (“Nas

Entry into a Material Definitive Agreement, Material Modification to Rights of Security Holders, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 21, 2022 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Rights Agreement between the Company and American Stock Transfer & Trust Company, LLC, as Rights Agent, dated as of December 21, 2022.

Exhibit 4.1 ASTROTECH CORPORATION and AMERICAN STOCK TRANSFER & TRUST COMPANY, LLC as Rights Agent RIGHTS AGREEMENT Dated as of December 21, 2022 TABLE OF CONTENTS Page Section 1. Certain Definitions. 1 Section 2. Appointment of Rights Agent. 7 Section 3. Issue of Right Certificates.. 7 Section 4. Form of Right Certificates. 9 Section 5. Countersignature and Registration. 10 Section 6. Transfer, S

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 22, 2022 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Third Certificate of Amendment to the Certificate of Incorporation of Astrotech Corporation.

Exhibit 3.1 Form of Reverse Stock Split Charter Amendment THIRD CERTIFICATE OF AMENDMENT TO CERTIFICATE OF INCORPORATION OF ASTROTECH CORPORATION Astrotech Corporation (the ?Corporation?), a corporation duly organized and existing under the laws of the State of Delaware, by its duly authorized officer, does hereby certify that: 1. The Board of Directors of the Corporation has duly adopted resoluti

ASTROTECH ANNOUNCES REVERSE STOCK SPLIT

Exhibit 99.1 ASTROTECH ANNOUNCES REVERSE STOCK SPLIT Austin, Texas, November 23, 2022 ? Astrotech Corporation (Nasdaq: ASTC) (the ?Company? or ?Astrotech?), a mass spectrometry company that launches, manages, and commercializes scalable companies based on its innovative core technology, today announced that it has filed a third amendment to its Certificate of Incorporation to effect a reverse stoc

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 15, 2022 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

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, 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 numbe

ASTROTECH REPORTS FIRST QUARTER OF FISCAL YEAR 2023 FINANCIAL RESULTS

Exhibit 99.1 ASTROTECH REPORTS FIRST QUARTER OF FISCAL YEAR 2023 FINANCIAL RESULTS Austin, Texas – November 10, 2022 – Astrotech Corporation (Nasdaq: ASTC) (the “Company” or “Astrotech”) reported its financial results for the first quarter of fiscal year 2023, which ended September 30, 2022. Financial Highlights & Recent Developments ● Astrotech’s consolidated balance sheet remains strong with $48

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 10, 2022 Astrotech Corpora

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 10, 2022 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Schedule 14A Information 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 Ru

UNITED STATES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Schedule 14A Information 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 Ru

Astrotech Corporation and Subsidiaries — Subsidiaries of the Registrant

EXHIBIT 21.1 Subsidiaries of the Registrant State of Incorporation 1) Chemtech Services, Inc. Delaware 2) Astrogenetix, Inc. Delaware 3) 1st Detect Corporation Delaware 4) Agriculture Technology Corporation Delaware 5) Medikinetix, Inc. Delaware 6) Astral Images Corporation Delaware 7) Astrotech Technologies, Inc. Delaware 8) BreathTech Corporation Delaware 9) AgLAB Inc. Delaware 10) Cargo Securit

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 ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year 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 001-34426 Astrotech Co

Description of Securities.

EXHIBIT 4.1 Astrotech Corporation DESCRIPTION OF CAPITAL STOCK General The following is a summary of the material terms and provisions of our capital stock, Certificate of Incorporation (as amended, the ?Certificate of Incorporation?), Bylaws (the ?Bylaws?), Certificate of Designations of Series A Junior Participating Preferred Stock (the ?Series A Certificate of Designations?), Certificate of Des

ASTROTECH REPORTS FISCAL YEAR 2022 FINANCIAL RESULTS

EXHIBIT 99.1 ASTROTECH REPORTS FISCAL YEAR 2022 FINANCIAL RESULTS Austin, Texas ? September 14, 2022 ? Astrotech Corporation (Nasdaq: ASTC) (the ?Company? or ?Astrotech?) reported its financial results for the fiscal year ended June 30, 2022. Financial Highlights & Fiscal Year Developments ? Astrotech?s consolidated balance sheet remains strong with $52.6 million in cash and liquid investments whi

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 14, 2022 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

ASTC / Astrotech Corp / BML Investment Partners, L.P. - NONE Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Astrotech Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 046484200 (CUSIP Number) August 23, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to w

Financial Statements and Exhibits, Other Events, Shareholder Director Nominations

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 24, 2022 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

ASTROTECH ANNOUNCES DATE FOR FISCAL YEAR 2022 ANNUAL MEETING AND DEADLINES FOR STOCKHOLDER PROPOSALS

Exhibit 99.1 ASTROTECH ANNOUNCES DATE FOR FISCAL YEAR 2022 ANNUAL MEETING AND DEADLINES FOR STOCKHOLDER PROPOSALS Austin, Texas ? August 24, 2022 ? Astrotech Corporation (Nasdaq: ASTC) (the ?Company?) announced its plans to hold its fiscal year 2022 annual meeting of stockholders (the ?2022 Annual Meeting?) on Tuesday, November 15, 2022. The 2022 Annual Meeting will be held at 9:00 a.m. Central Ti

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 27, 2022 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 23, 2022 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

ASTROTECH SUBSIDIARY AND CLEVELAND CLINIC EXPAND BREATH ANALYSIS STUDY TO DETECT MULTIPLE DISEASES

Exhibit 99.1 ASTROTECH SUBSIDIARY AND CLEVELAND CLINIC EXPAND BREATH ANALYSIS STUDY TO DETECT MULTIPLE DISEASES Austin, Texas ? June 23, 2022 Astrotech Corporation?s (NASDAQ: ASTC) subsidiary, BreathTech Corporation, announced today that it has amended its Joint Development and Option Agreement with Cleveland Clinic to include additional areas of focus. Under the amended agreement, ongoing work ar

Regulation FD Disclosure, 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, DC 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 20, 2022 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

ASTROTECH APPOINTS JIM BECKER TO BOARD OF DIRECTORS

ASTROTECH APPOINTS JIM BECKER TO BOARD OF DIRECTORS Austin, Texas ? June 23, 2022 ? Astrotech Corporation (Nasdaq: ASTC) announced today that it has appointed Jim Becker to its Board of Directors.

ASTROTECH REPORTS THIRD QUARTER OF FISCAL YEAR 2022 FINANCIAL RESULTS

Exhibit 99.1 ASTROTECH REPORTS THIRD QUARTER OF FISCAL YEAR 2022 FINANCIAL RESULTS Austin, Texas ? May 12, 2022 ? Astrotech Corporation (Nasdaq: ASTC) (the ?Company? or ?Astrotech?) reported its financial results for the third quarter of fiscal year 2022, which ended March 31, 2022. Astrotech's subsidiary 1st Detect continues sales of its TRACER 1000? solution, the first and only mass spectrometry

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 12, 2022 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

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, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-34426 Astrotech

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2022 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

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, DC 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 19, 2022 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

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, DC 20549 FORM 8-K/A (Amendment No.

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, DC 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, 2022 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 25, 2022 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

ASTC / Astrotech Corp / BML Investment Partners, L.P. - NONE Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. n/a )* Astrotech Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 046484200 (CUSIP Number) February 23, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which thi

ASTC / Astrotech Corp / CVI Investments, Inc. - SC 13G/A Passive Investment

CUSIP No: 046484200 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) 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. (Amendment No. 1)* Astrotech Corporation (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 046484200 (CUSIP 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 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 001-34426 Astrote

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 11, 2022 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

ASTROTECH REPORTS SECOND QUARTER OF FISCAL YEAR 2022 FINANCIAL RESULTS

Exhibit 99.1 ASTROTECH REPORTS SECOND QUARTER OF FISCAL YEAR 2022 FINANCIAL RESULTS Austin, Texas ? February 11, 2022 ? Astrotech Corporation (Nasdaq: ASTC) (the ?Company? or ?Astrotech?) reported its financial results for the second quarter of fiscal year 2022, which ended December 31, 2021. Astrotech had its best quarter since sales of 1st Detect?s TRACER 1000? began, with revenue related to the

UNITED STATES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Schedule 14A Information 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 Ru

ASTROTECH ANNOUNCES DATE FOR FISCAL YEAR 2021 ANNUAL MEETING AND DEADLINES FOR STOCKHOLDER PROPOSALS

Exhibit 99.1 ASTROTECH ANNOUNCES DATE FOR FISCAL YEAR 2021 ANNUAL MEETING AND DEADLINES FOR STOCKHOLDER PROPOSALS Austin, Texas ? January 6, 2022 ? Astrotech Corporation (Nasdaq: ASTC) (the ?Company?) announced its plans to hold its fiscal year 2021 annual meeting of stockholders (the ?2021 Annual Meeting?) on Friday, March 25, 2022. The 2021 Annual Meeting will be held at 9:00 A.M. Central Time.

Financial Statements and Exhibits, Other Events, Shareholder Director Nominations

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 6, 2022 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 21, 2021 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 17, 2021 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

ASTROTECH BEGINS SEARCH FOR STRATEGIC ACQUISITIONS

Exhibit 99.1 ASTROTECH BEGINS SEARCH FOR STRATEGIC ACQUISITIONS Austin, Texas ? November 17, 2021 ? Astrotech Corporation (Nasdaq: ASTC) now intends to actively pursue strategic and accretive acquisition opportunities. Tom Wilkson, as Lead Independent Director, will focus on identifying strategic acquisitions for Astrotech Corporation and its subsidiaries. Mr. Wilkinson has been a board member of

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, 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 001-34426 Astrot

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 12, 2021 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

ASTROTECH REPORTS FIRST QUARTER OF FISCAL YEAR 2022 FINANCIAL RESULTS

Exhibit 99.1 ASTROTECH REPORTS FIRST QUARTER OF FISCAL YEAR 2022 FINANCIAL RESULTS Austin, Texas ? November 12, 2021 ? Astrotech Corporation (Nasdaq: ASTC) reported its financial results for the first quarter of fiscal year 2022, which ended September 30, 2021. The first quarter of fiscal year 2022 saw a continued increase in commercial sales of 1st Detect?s TRACER 1000?, the first and only mass s

As filed with the Securities and Exchange Commission on October 21, 2021

As filed with the Securities and Exchange Commission on October 21, 2021 Registration No.

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 7, 2021 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Certificate of Amendment to the Certificate of Incorporation of Astrotech Corporation (incorporated by reference to Exhibit 3.1 of the Registrant’s Form 8-K filed with the Securities and Exchange Commission on October 12, 2021).

Exhibit 3.1 CERTIFICATE OF AMENDMENT to CERTIFICATE OF INCORPORATION of ASTROTECH CORPORATION State of Delaware Secretary of State Division of Corporations Delivered 09:03 AM 10/07/2021 FILED 09:03AM 10/07/2021 SR 20213450179 - File Number 6675607 ASTROTECH CORPORATION, a corporation organized and existing under the General Corporation Law of the State of Delaware (the "Corporation"), does hereby

Astrotech Corporation and Subsidiaries — Subsidiaries of the Registrant

EXHIBIT 21.1 Subsidiaries of the Registrant State of Incorporation 1) Spacehab Orbital Transportation, Inc. Delaware 2) Astrogenetix, Inc. Delaware 3) 1st Detect Corporation Delaware 4) Agriculture Technology Corporation 5) Medikinetix, Inc. Delaware 5) Medikinetix, Inc. Delaware 6) Astral Images Corporation Delaware 7) Astrotech Technologies, Inc. Delaware 8) BreathTech Corporation Delaware 9) Ag

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year 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 001-34426 Astrotech Corporation (Exact n

ASTROTECH REPORTS FISCAL YEAR 2021 FINANCIAL RESULTS

Exhibit 99.1 ASTROTECH REPORTS FISCAL YEAR 2021 FINANCIAL RESULTS Austin, Texas ? September 20, 2021 ? Astrotech Corporation (Nasdaq: ASTC) reported its financial results for the fiscal year ended June 30, 2021. Fiscal year 2021 represented a turning point for Astrotech Corporation. We successfully raised a total of $74.3 million in gross proceeds from equity offerings, strengthening our balance s

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 20, 2021 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Omnibus Amendment to Subsidiary Guarantees, dated September 3, 2021, made by certain of the Company’s subsidiaries in favor of Thomas B. Pickens III.

Exhibit 10.3 OMNIBUS AMENDMENT TO SUBSIDIARY GUARANTEES This Omnibus Amendment to Subsidiary Guarantees (this ?Amendment?) is made effective as of September 3, 2021 (the ?Amendment Effective Date?), by each of the signatories hereto (together with any other entity that may become a party hereto as provided herein, the ?Guarantors?), in favor of the holder of (1) the Secured Promissory Note issued

Omnibus Amendment to Security Agreements, dated September 3, 2021, by and among the Company, certain of the Company’s subsidiaries and Thomas B. Pickens III.

Exhibit 10.2 OMNIBUS AMENDMENT TO SECURITY AGREEMENTS This Omnibus Amendment to Security Agreements (this ?Amendment?) is made effective as of September 3, 2021 (the ?Amendment Effective Date?), by and among Astrotech Corporation, a Delaware corporation (the ?Company?), certain Subsidiaries of the Company signatory hereto (such subsidiaries, the ?Guarantors? and together with the Company, the ?Deb

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): September 3, 2021 Astrotech Corpora

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): September 3, 2021 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Acknowledgment, Consent and Affirmation of Guarantors, dated September 3, 2021.

Exhibit 10.1 ACKNOWLEDGMENT, CONSENT AND AFFIRMATION OF GUARANTORS The undersigned Guarantors hereby (i) acknowledge and consent to the terms and conditions of the Omnibus Amendment to Promissory Notes (the ?Agreement?) to which this Acknowledgment, Consent and Affirmation is attached, (ii) affirm their obligations under their respective guaranty, pledge, and/or indemnity in favor of the Lender an

Omnibus Amendment to Secured Promissory Notes, dated September 3, 2021, by and between the Company and Thomas B. Pickens III.

Exhibit 4.1 OMNIBUS AMENDMENT TO SECURED PROMISSORY NOTES This Omnibus Amendment to Secured Promissory Notes (this ?Amendment? or ?Agreement?) is entered into as of September 3, 2021 by and between Astrotech Corporation, a Delaware corporation (?Maker?) and Thomas B. Pickens III (?Lender?), with reference to (1) that certain Secured Promissory Note, dated September 5, 2019, in the amount of One Mi

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 26, 2021 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

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, 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 001-34426 Astrotech

Financial Statements and Exhibits, Results of Operations and Financial Condition

] UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2021 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

ASTROTECH REPORTS THIRD QUARTER OF FISCAL YEAR 2021 FINANCIAL RESULTS

Exhibit 99.1 ASTROTECH REPORTS THIRD QUARTER OF FISCAL YEAR 2021 FINANCIAL RESULTS Austin, Texas ? May 13, 2021 ? Astrotech Corporation (NASDAQ: ASTC) reported its financial results for the third quarter of fiscal year 2021, which ended March 31, 2021. During and subsequent to quarter end, we continued to strengthen our balance sheet for future growth by raising $50.1 million in total proceeds. As

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant [X] 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)) [ ]

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) 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. (Amendment No. ____)* A

CUSIP No: 046484200 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) 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. (Amendment No. )* Astrotech Corporation (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 046484200 (CUSIP Number)

Amended & Restated Underwriting Agreement, dated April 7, 2021, by and between Astrotech Corporation and H.C. Wainwright & Co., LLC

Exhibit 1.1 21,639,851 SHARES of Common Stock 0 WARRANTS (EXERCISABLE FOR 0 WARRANT SHARES) ASTROTECH CORPORATION AMENDED AND RESTATED UNDERWRITING AGREEMENT April 7, 2021 H.C. Wainwright & Co., LLC As the Representative of the Several underwriters, if any, named in Schedule I hereto c/o H.C. Wainwright & Co., LLC 430 Park Avenue New York, NY 10022 Ladies and Gentlemen: The undersigned, Astrotech

Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 7, 2021 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Form of Underwriter Warrant

Exhibit 4.1 NEITHER THIS SECURITY NOR THE SECURITIES FOR WHICH THIS SECURITY IS EXERCISABLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE ?SECURITIES ACT?), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE REGISTR

ASTROTECH ANNOUNCES CLOSING OF $37.3 MILLION BOUGHT DEAL OFFERING OF COMMON STOCK AND FULL EXERCISE OF OPTION TO PURCHASE ADDITIONAL SHARES

Exhibit 99.3 ASTROTECH ANNOUNCES CLOSING OF $37.3 MILLION BOUGHT DEAL OFFERING OF COMMON STOCK AND FULL EXERCISE OF OPTION TO PURCHASE ADDITIONAL SHARES Austin, Texas ? April 12, 2021 Astrotech Corporation (NASDAQ: ASTC), announced today the closing of its previously announced underwritten public offering of 24,885,828 shares of its common stock, which included 3,245,977 shares sold pursuant to th

ASTROTECH INCREASES PREVIOUSLY ANNOUNCED BOUGHT DEAL OFFERING OF COMMON STOCK TO $32.5 MILLION

Exhibit 99.2 ASTROTECH INCREASES PREVIOUSLY ANNOUNCED BOUGHT DEAL OFFERING OF COMMON STOCK TO $32.5 MILLION Austin, Texas ? April 7, 2021 Astrotech Corporation (NASDAQ: ASTC), today announced that, due to demand, the underwriter has agreed to increase the size of the previously announced public offering and purchase on a firm commitment basis 21,639,851 shares of common stock of the Company at a p

ASTROTECH ANNOUNCES $10 MILLION BOUGHT DEAL OFFERING OF COMMON STOCK

Exhibit 99.1 ASTROTECH ANNOUNCES $10 MILLION BOUGHT DEAL OFFERING OF COMMON STOCK Austin, Texas – April 7, 2021 Astrotech Corporation (NASDAQ: ASTC), today announced that it has entered into an underwriting agreement with H.C. Wainwright & Co. under which the underwriter has agreed to purchase on a firm commitment basis 6,666,667 shares of common stock (or common stock equivalents in lieu thereof)

21,639,851 Shares of Common Stock

Filed pursuant to Rule 424(b)(5) Registration Statement No. 333-253835 PROSPECTUS SUPPLEMENT (To Prospectus Dated March 15, 2021) 21,639,851 Shares of Common Stock We are offering 21,639,851 shares of our common stock, par value $0.001 per share, pursuant to this prospectus supplement and the accompanying prospectus. The public offering price for each share of common stock is $1.50. Our common sto

ASTROTECH INCREASES PREVIOUSLY ANNOUNCED BOUGHT DEAL OFFERING OF COMMON STOCK TO $32.5 MILLION

Free Writing Prospectus dated April 7, 2021 Filed pursuant to Rule 433 Relating to the Preliminary Prospectus Supplement dated April 7, 2021 Registration Statement No.

The information in this preliminary prospectus supplement is not complete and may be changed. A registration statement relating to these securities has been filed with the Securities and Exchange Commission and is effective. This preliminary prospect

Filed pursuant to Rule 424(b)(5) Registration Statement No. 333-253835 The information in this preliminary prospectus supplement is not complete and may be changed. A registration statement relating to these securities has been filed with the Securities and Exchange Commission and is effective. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell these se

ASTROTECH ANNOUNCES $10 MILLION BOUGHT DEAL OFFERING OF COMMON STOCK

Free Writing Prospectus dated April 7, 2021 Filed pursuant to Rule 433 Relating to the Preliminary Prospectus Supplement dated April 7, 2021 Registration Statement No.

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, DC 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 6, 2021 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Financial Statements and Exhibits, Other Events

] UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2021 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Certain confidential information contained in this document, marked by brackets and asterisks ([***]), has been omitted pursuant to Item 601(b)(10)(iv) of Regulation S-K, because it (i) is not material and (ii) would be competitively harmful if publi

Exhibit 99.1 Certain confidential information contained in this document, marked by brackets and asterisks ([***]), has been omitted pursuant to Item 601(b)(10)(iv) of Regulation S-K, because it (i) is not material and (ii) would be competitively harmful if publicly disclosed. INVESTIGATOR-INITIATED STUDY AGREEMENT This Investigator-Initiated Study Agreement (?Agreement?) dated as of the 15th day

Astrotech Corporation 2021 Omnibus Equity Incentive Plan (incorporated by reference to Appendix A to the Company’s Proxy Statement on Schedule 14A filed on April 5, 2021)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Schedule 14A Information 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 Ru

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A Under the Securities Exchange Act of 1934 (Amendment No. 6) * ASTROTECH CORPORATION (Name of Issuer) Common Stock (Title of Class of Securities) (CUSIP Number) Tho

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A Under the Securities Exchange Act of 1934 (Amendment No. 6) * ASTROTECH CORPORATION (Name of Issuer) Common Stock (Title of Class of Securities) 046484200 (CUSIP Number) Thomas B. Pickens III 2028 E. Ben White Blvd., Suite 240-9530 Austin, Texas 78741 (512) 485-9530 (Name, Address and Telephone Number of Person

Letter of Agreement, dated March 24, 2021

Exhibit 10.1 Certain confidential information contained in this document, marked by brackets and asterisks ([***]), has been omitted pursuant to Item 601(b)(10)(iv) of Regulation S-K, because it (i) is not material and (ii) would be competitively harmful if publicly disclosed. LETTER OF AGREEMENT This Letter of Agreement ("LOA") is made and entered into as of this 24th day of March, 2021 (?Effecti

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

] UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 24, 2021 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

ASTROTECH ENGAGES SANMINA TO SCALE MANUFACTURING

Exhibit 99.1 ASTROTECH ENGAGES SANMINA TO SCALE MANUFACTURING Austin, Texas – March 30, 2021 Astrotech Corporation (NASDAQ: ASTC) announced today that its Astrotech Technologies, Inc. subsidiary has entered into an agreement with Sanmina Corporation to manufacture its mass spectrometry products. Sanmina is a leading integrated manufacturing solutions provider for the Electronics Manufacturing Serv

- PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Schedule 14A Information 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 Ru

www.astrotechcorp.com

Astrotech Corporation 2028 E. Ben White Blvd., Suite 240-9530 Austin, Texas 78741 1.512.485.9530 fax: 1.512.485.9531 www.astrotechcorp.com March 11, 2021 VIA EDGAR United States Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Attention: Jordan Metoyer Re: Astrotech Corporation Registration Statement on Form S-3 File No. 333-253835 Ladies and Gentleman: Pursuant to Rule

TEXT-EXTRACT

United States securities and exchange commission logo March 10, 2021 Eric Stober Chief Financial Officer Astrotech Corporation 2028 E.

LETTER

United States securities and exchange commission logo March 10, 2021 Eric Stober Chief Financial Officer Astrotech Corporation 2028 E.

Form of Subordinated Indenture

Exhibits 4.2 ASTROTECH CORPORATION, ISSUER AND [TRUSTEE], TRUSTEE INDENTURE DATED AS OF , 2021 SUBORDINATED DEBT SECURITIES -1- Exhibits 4.2 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 1 Section 1.1 Definitions of Terms 1 ARTICLE II ISSUE, DESCRIPTION, TERMS, EXECUTION, REGISTRATION AND EXCHANGE OF SECURITIES 3 Section 2.1 Designation and Terms of Securities 3 Section 2.2 Form of Securities and T

Form of Senior Indenture

Exhibits 4.1 ASTROTECH CORPORATION, ISSUER AND [TRUSTEE], TRUSTEE INDENTURE DATED AS OF , 2021 SENIOR DEBT SECURITIES -1- Exhibits 4.1 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 1 Section 1.1 Definitions of Terms 1 ARTICLE II ISSUE, DESCRIPTION, TERMS, EXECUTION, REGISTRATION AND EXCHANGE OF SECURITIES 3 Section 2.1 Designation and Terms of Securities 3 Section 2.2 Form of Securities and Trustee

- S-3

As filed with the Securities and Exchange Commission on March 03, 2021 Registration No.

Financial Statements and Exhibits, Results of Operations and Financial Condition

] UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 16, 2021 Astrotech Corporation (Exact Name of Registrant as Specified in Charter) Delaware 001-34426 91-1273737 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Form of Placement Agent’s Warrant

Exhibit 4.1 NEITHER THIS SECURITY NOR THE SECURITIES FOR WHICH THIS SECURITY IS EXERCISABLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE ?SECURITIES ACT?), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE REGISTR

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