ASTROTECH Corp 10-Q

ITEM 5. OTHER INFORMATION None. 24 ITEM 6. EXHIBITS Exhibit No. Description Incorporation by Reference 3.1 Certificate of Incorporation, as filed with the Secretary of State of the State of Delaware. Exhibit 3.1 to Form 8-K filed on December 28, 2017. 3.2 Bylaws of the Registrant (incorporated by reference to Exhibit 3.2 of the Registrant’s Form 8-K filed with the Securities and Exchange Commission on December 28, 2017). Exhibit 3.2 to Form 8-K filed on December 28, 2017. 3.3 Certificate of Designations of Series A Junior Participating Preferred Stock, as filed with the Secretary of State of the State of Delaware. Exhibit 3.3 to Form 8-K filed on December 28, 2017. 3.4 Certificate of Designations of Series C Convertible Preferred Stock, as filed with the Delaware Secretary of State on April 17, 2019. Exhibit 3.1 to Form 8-K filed on April 23, 2019. 3.5 Certificate of Designations of Preferences, Rights and Limitations of Series D Convertible Preferred Stock, as filed with the Delaware Secretary of State on April 17, 2019. Exhibit 3.2 to Form 8-K filed on April 23, 2019. 3.6 Certificate of Amendment to the Certificate of Incorporation of Astrotech Corporation. Exhibit 3.1 to Form 8-K filed on July 1, 2020. 3.7 Certificate of Amendment to the Certificate of Incorporation of Astrotech Corporation. Exhibit 3.1 to Form 8-K filed on October 12, 2021. 31.1 Certification of Chief Executive Officer pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934. Filed herewith. 31.2 Certification of Chief Financial Officer pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934. Filed herewith. 32.1 Certification pursuant to Rule 13a-14(b) of the Securities Exchange Act of 1934. Furnished herewith. 101.INS Inline XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document. Filed herewith. 101.SCH Inline XBRL Taxonomy Extension Schema Document Filed herewith. 101.CAL Inline XBRL Taxonomy Extension Calculation Linkbase Document Filed herewith. 101.DEF Inline XBRL Taxonomy Extension Definition Linkbase Document Filed herewith. 101.LAB Inline XBRL Taxonomy Extension Label Linkbase Document Filed herewith. 101.PRE Inline XBRL Taxonomy Extension Presentation Linkbase Document Filed herewith. 104 The cover page from the Company’s Quarterly Report on Form 10-Q for the quarter ended December 31, 2021, has been formatted in Inline XBRL. 25 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. Astrotech Corporation Date: February 14, 2022 /s/ Eric Stober Eric Stober Chief Financial Officer and Principal Accounting Officer 26