Astrotech Corporation

Astrotech Corporation (ASTC) filed a 424B5 prospectus supplement to establish a new $50 million at-the-market (ATM) common stock offering program under a distribution agreement with H.C. Wainwright & Co. as the sales agent. Filed June 2, 2026, the program allows Astrotech to sell shares at prevailing market prices on an opportunistic basis, giving management control over both timing and dilution magnitude. At $50M, the ATM facility is significant relative to Astrotech's market cap; the company intends to deploy proceeds for general corporate purposes including its mass spectrometry (1st Detect) product line and operating capital. This 424B5 is the operative document governing actual share sales under the new program.

Astrotech Corporation (ASTC) filed a second 424B5 prospectus supplement to supplement and amend its prior June 2026 ATM program prospectus supplement (the 'June Prospectus') associated with H.C. Wainwright & Co. This amendment updates certain information in connection with the simultaneous rollover to a new $50 million ATM program, effectively closing out the prior program's registration documentation. The filing creates a clean transition between the old and new ATM facilities, ensuring any shares sold under the program are covered by current, accurate prospectus disclosures. Investors should read this in conjunction with the companion 424B5 establishing the new $50M program to understand the full transition.

Astrotech Corporation expanded its board from six to seven directors and appointed Matthew Kreps effective July 16, 2026, to serve until the 2026 annual meeting. Kreps, 49, is a capital markets and investor relations executive with 25+ years of experience, currently SVP Capital Markets & IR at HydroGraph Clean Power and Managing Director at Darrow Associates (since 2016), with prior roles at Halliburton IR. He will receive standard non-employee director compensation and was granted equity at appointment. Routine board appointment that adds IR and equity capital markets expertise to a small-cap aerospace/technology company.

Matthew Kreps filed a Form 3 as a newly appointed Director of Astrotech Corp (ASTC), effective July 16, 2026, reporting no beneficial ownership of any securities. Routine insider ownership disclosure with no financial or operational impact.

Astrotech Corporation filed a shelf registration (Form S-3) for a delayed or continuous offering under Rule 415. Non-accelerated filer classified as a smaller reporting company. Routine shelf setup enabling future equity or debt issuances without filing a new registration for each transaction. No immediate capital raise was announced.

ASTC (ASTC) disclosed a material definitive agreement under Item 1.01, reporting a merger or acquisition transaction involving growth company as defined in Rule. The deal is valued at approximately $0. Details of the transaction terms, consideration structure, and closing conditions are set forth in the full 8-K filing. Definitive merger agreements are among the most material events a public company can disclose, triggering regulatory review and shareholder vote requirements.

ASTC (ASTC) filed a 424B5 prospectus supplement related to an at-the-market (ATM) equity offering program. The program allows the company to sell up to $75.0 million of common shares over time through a sales agent into the market at prevailing prices. with respect to certain liabilities, including liabilities under the Securities acts as sales agent. ATM programs provide flexible, dilution-minimized capital access without a traditional underwritten deal, typically used for growth capital or balance sheet management.