Astrotech (DE) SEC Filings
NASDAQ: ASTCIndustrialsBiotechnology: Laboratory Analytical InstrumentsUSD
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At close: Oct 9, 4:00 PM ET · Delayed 15 min
Astrotech (DE) filing overview
This page lists 60 recent SEC filings by Astrotech (DE) (ASTC), including 24 4, 15 8-K, 8 4/A, 3 424B5. The latest annual report (10-K) was filed on Sep 25, 2026 for the period ending Jun 30, 2026. The most recent quarterly report (10-Q/A) was filed on Aug 6, 2026.
The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Sep 25, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.
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ASTC SEC filings
| Filed | Form | Description | Document |
|---|---|---|---|
| Oct 2, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 2, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 2, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 2, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 2, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 2, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 25, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Sep 25, 2026 | 10-K | Annual report | View on EDGAR |
| Sep 8, 2026 | 4/A | Statement of changes in beneficial ownership (amendment) | View on EDGAR |
| Sep 8, 2026 | 4/A | Statement of changes in beneficial ownership (amendment) | View on EDGAR |
| Sep 8, 2026 | 4/A | Statement of changes in beneficial ownership (amendment) | View on EDGAR |
| Sep 8, 2026 | 4/A | Statement of changes in beneficial ownership (amendment) | View on EDGAR |
| Sep 8, 2026 | 4/A | Statement of changes in beneficial ownership (amendment) | View on EDGAR |
| Sep 8, 2026 | 4/A | Statement of changes in beneficial ownership (amendment) | View on EDGAR |
| Sep 8, 2026 | 4/A | Statement of changes in beneficial ownership (amendment) | View on EDGAR |
| Sep 1, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 19, 2026 | 424B5 | Prospectus | View on EDGAR |
| Aug 19, 2026 | 424B5 | Prospectus | View on EDGAR |
| Aug 19, 2026 | 8-K | Other Events | View on EDGAR |
| Aug 6, 2026 | 10-Q/A | Quarterly report (amendment) | View on EDGAR |
| Jul 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 22, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Regulation FD Disclosure | View on EDGAR |
| Jul 21, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 21, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 21, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 21, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 21, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 20, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 20, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 20, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 1, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Jun 16, 2026 | 8-K | Other Events | View on EDGAR |
| Jun 3, 2026 | 424B5 | Prospectus | View on EDGAR |
| Jun 3, 2026 | 8-K | Entry into a Material Definitive Agreement | View on EDGAR |
| May 21, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 13, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| May 13, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Feb 13, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Feb 13, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Dec 23, 2025 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Dec 17, 2025 | 8-K | Entry into a Material Definitive Agreement; Material Modification to Rights of Security Holders; Submission of Matters to a Vote of Security Holders | View on EDGAR |
| Nov 13, 2025 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Nov 13, 2025 | 10-Q | Quarterly report | View on EDGAR |
| Nov 12, 2025 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| Oct 31, 2025 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Regulation FD Disclosure | View on EDGAR |
| Oct 28, 2025 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Oct 23, 2025 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| Oct 7, 2025 | SCHEDULE 13D/A | Beneficial ownership report (activist) (amendment) | View on EDGAR |
| Oct 7, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 26, 2025 | 10-K | Annual report | View on EDGAR |
| Sep 25, 2025 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Aug 18, 2025 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Regulation FD Disclosure | View on EDGAR |
| Jun 5, 2025 | 4/A | Statement of changes in beneficial ownership (amendment) | View on EDGAR |
| Jun 4, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 28, 2025 | 8-K | Termination of a Material Definitive Agreement; Departure or Appointment of Directors or Officers; Compensatory Arrangements; Regulation FD Disclosure | View on EDGAR |
| May 16, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |