ASTROTECH Corp Files Definitive Proxy Materials

Ticker: ASTC · Form: DEFA14A · Filed: Dec 2, 2025 · CIK: 1001907

Sentiment: neutral

Topics: proxy-statement, sec-filing

Related Tickers: ASTC

TL;DR

ASTROTECH Corp filed its definitive proxy statement, shareholders likely voting soon.

AI Summary

ASTROTECH Corp filed a Definitive Additional Materials (DEFA14A) on December 2, 2025. This filing relates to the company's proxy statement and is not a preliminary filing. The company's principal executive offices are located at 2105 Donley Dr., Suite 100, Austin, TX 78758, with a business phone number of 512-485-9530.

Why It Matters

This filing indicates that ASTROTECH Corp is proceeding with shareholder communications related to its proxy statement, which typically involves voting on corporate matters.

Risk Assessment

Risk Level: low — This is a routine filing of proxy materials and does not inherently indicate significant new risks.

Key Players & Entities

FAQ

What type of SEC filing is this?

This is a DEFA14A filing, specifically 'Definitive Additional Materials' for a proxy statement.

When was this filing submitted?

The filing was submitted on December 2, 2025.

What is the company's primary business address?

The company's business address is 2105 Donley Dr., Suite 100, Austin, TX 78758.

What is the company's business phone number?

The business phone number listed is 512-485-9530.

Has ASTROTECH Corp filed a preliminary proxy statement?

No, this filing is marked as 'Definitive Additional Materials' and not a 'Preliminary Proxy Statement'.

Filing Stats: 1,219 words · 5 min read · ~4 pages · Grade level 13.4 · Accepted 2025-12-02 16:17:04

Key Financial Figures

Filing Documents

01 Financial Statements and Exhibits

Item 9.01 Financial Statements and Exhibits. (d) Exhibits Exhibit No. Description 10.1 Astrotech Corporation Transaction Bonus Plan. 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

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 hereunto duly authorized. Date: November 12, 2025 Astrotech Corporation By: /s/ Thomas B. Pickens III Name: Thomas B. Pickens III Chief Executive Officer, Chief Technology Officer and Chairman of the Board

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