Astrotech Corporation

ASTC·NASDAQ·$2.47Share Price as of 11/2·$4MMarket Cap as of 11/2

Financials

10-KFY 202609/25/26 10-Q/AQ3 ended 03/31/2608/06/26 10-QQ3 ended 03/31/2605/13/26 10-QQ2 ended 12/31/2502/13/26 10-QQ1 ended 09/30/2511/13/25

Disclosures

8-KCurrent report10/19/26 8-KCurrent report09/25/26 8-KCurrent report08/19/26 8-KCurrent report07/22/26 8-KCurrent report06/16/26

Prospectuses and Registrations

424B5Prospectus supplement08/19/26 424B5Prospectus supplement08/19/26 S-3Shelf registration06/30/26 424B5Prospectus supplement06/03/26 S-3Shelf registration01/28/26

Proxies

DEF 14ADefinitive proxy10/23/26 DEFA14AAdditional proxy materials10/23/26 DEFA14AAdditional proxy materials12/02/25 DEF 14ADefinitive proxy10/28/25 DEFA14AAdditional proxy materials10/28/25

Ownership

Form 4Insider transaction10/02/26 Form 4Insider transaction10/02/26 Form 4Insider transaction10/02/26 Form 4Insider transaction10/02/26 Form 4Insider transaction10/02/26

Other

ARSAnnual report to shareholders10/23/26 EFFECTRequest for effectiveness07/07/26 EFFECTRequest for effectiveness01/30/26 CORRESPCorrespondence with the SEC01/29/26 UPLOADLetter from the SEC01/29/26