ASTC · Quarterly Report (Form 10-Q) · Filed May 13, 2026

Astrotech Corp — 10-Q exhibit

ex_925982.htm

Exhibit 32.1

Certification Pursuant to 18 U.S.C. Section 1350,

as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, Thomas B. Pickens III, the Chief Executive Officer of Astrotech Corporation (the “Company”), hereby certify, that, to his knowledge:

The Quarterly Report on Form 10-Q for the period ended March 31, 2026 (the “Report”) of the Company fully complies with the requirements of Section 13(a) or 15 (d) of the Securities Exchange Act of 1934; and

The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: May 13, 2026

	/s/ Thomas B. Pickens III
	Thomas B. Pickens III
	Chief Executive Officer, Chief Technology Officer, and Chairman of the Board (Principal Executive Officer and Principal Financial Officer)

Disclaimer

The opinions and information contained herein have been obtained or derived from sources believed to be reliable, but Boardroom Alpha cannot guarantee its accuracy and completeness, and that of the opinions based thereon.

This report contains opinions and is provided for informational purposes only – it does not constitute investment, legal or tax advice. You should not rely solely upon the research herein for purposes of transacting securities or other investments, and you are encouraged to conduct your own research and due diligence, and to seek the advice of a qualified securities professional before you make any investment.

None of the information contained in this report constitutes, or is intended to constitute a recommendation by Boardroom Alpha of any particular security or trading strategy or a determination by Boardroom Alpha that any security or trading strategy is suitable for any specific person. To the extent any of the information contained herein may be deemed to be investment advice, such information is impersonal and not tailored to the investment needs of any specific person.

No representation or warranty, expressed or implied, is made on behalf of Boardroom Alpha as to the accuracy or completeness of the information contained herein. Boardroom Alpha does not accept any liability for any direct, indirect or consequential loss or damage suffered by any person as a result of relying on all or any part of this research and any liability is expressly disclaimed.

Full disclaimer