ASTROTECH Corp SEC filings ASTC
ASTROTECH Corp has 1,000 filings in SEC EDGAR's recent list, going back to Nov 18, 2003. Its latest annual report, Form ARS, was filed on Oct 23, 2026 for the period ended Jun 30, 2026. The latest quarterly report (Form 10-Q) was filed on May 13, 2026, covering the quarter ended Mar 31, 2026. The most recent current report (Form 8-K) was filed on Oct 19, 2026 (officer or director change). The company's fiscal year ends on June 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 2, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Sep 30, 2026 |
| 4/A | Form 4/a | Sep 8, 2026 | Jul 16, 2026 |
| 4/A | Form 4/a | Sep 8, 2026 | Mar 15, 2024 |
| 4/A | Form 4 | Sep 8, 2026 | Jul 22, 2026 |
| 4/A | Form 4 | Sep 8, 2026 | Jul 16, 2026 |
| 4/A | Form 4 | Sep 8, 2026 | Apr 14, 2026 |
| 4/A | Form 4 | Sep 8, 2026 | Sep 1, 2026 |
| 4/A | Form 4 | Sep 8, 2026 | Jul 9, 2026 |
| 4 | Insider transaction | Sep 1, 2026 | Dec 13, 2024 |
| 4 | Insider transaction | Jul 23, 2026 | Jul 22, 2026 |
| 4 | Insider transaction | Jul 21, 2026 | Jul 9, 2026 |
| 4 | Insider transaction | Jul 21, 2026 | Jul 9, 2026 |
| 4 | Insider transaction | Jul 21, 2026 | Jul 9, 2026 |
| 4 | Insider transaction | Jul 21, 2026 | Jul 9, 2026 |
| 4 | Insider transaction | Jul 21, 2026 | Jul 9, 2026 |
| 4 | Insider transaction | Jul 20, 2026 | Jul 16, 2026 |
| 4 | Insider transaction | Jul 20, 2026 | Jul 16, 2026 |
| 4 | Insider transaction | Jul 20, 2026 | Jul 16, 2026 |
| 3 | Initial insider ownership | Jul 20, 2026 | Jul 16, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 1, 2026 | — |
| 4 | Insider transaction | May 21, 2026 | Apr 14, 2026 |
| 4 | Insider transaction | May 18, 2026 | Apr 14, 2026 |
| 4 | Insider transaction | May 18, 2026 | Apr 14, 2026 |
| 4 | Insider transaction | May 18, 2026 | Apr 14, 2026 |
| 4 | Insider transaction | May 18, 2026 | Apr 14, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Dec 23, 2025 | — |
| 3 | Initial insider ownership | Nov 13, 2025 | Oct 27, 2025 |
| 4 | Insider transaction | Oct 7, 2025 | Oct 3, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Oct 7, 2025 | — |
| 3 | Initial insider ownership | Aug 28, 2025 | Aug 13, 2025 |
| 4/A | Form 4/a | Jun 5, 2025 | May 22, 2025 |
| 4 | Insider transaction | Jun 4, 2025 | May 22, 2025 |
| 3 | Initial insider ownership | Jun 4, 2025 | May 22, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 14, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 14, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 14, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 14, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 14, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 14, 2025 |
| 3 | Initial insider ownership | Jan 24, 2025 | Jan 14, 2025 |
| 3 | Initial insider ownership | Dec 23, 2024 | Dec 13, 2024 |
| 3 | Initial insider ownership | Dec 23, 2024 | Dec 13, 2024 |
| 3 | Initial insider ownership | Dec 23, 2024 | Dec 13, 2024 |
| 4 | Insider transaction | Oct 15, 2024 | Aug 28, 2024 |
| 4 | Insider transaction | Oct 15, 2024 | Aug 28, 2024 |
| 4 | Insider transaction | May 30, 2024 | May 28, 2024 |
| 4 | Insider transaction | May 28, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 21, 2024 | May 21, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 18, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 18, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 14, 2024 | Mar 12, 2024 |
| 4 | Insider transaction | Mar 14, 2024 | Mar 13, 2024 |
| 4 | Insider transaction | Mar 13, 2024 | Mar 12, 2024 |
| 4 | Insider transaction | Jan 2, 2024 | Dec 27, 2023 |
| 4 | Insider transaction | Dec 13, 2023 | Dec 11, 2023 |
| 4 | Insider transaction | Nov 29, 2023 | Nov 28, 2023 |
| 4 | Insider transaction | Nov 29, 2023 | Nov 28, 2023 |
| 4 | Insider transaction | Nov 27, 2023 | Nov 22, 2023 |
| 4 | Insider transaction | Nov 21, 2023 | Nov 17, 2023 |
| 4 | Insider transaction | Nov 21, 2023 | Nov 17, 2023 |
| 4 | Insider transaction | Nov 17, 2023 | Nov 16, 2023 |
| 4 | Insider transaction | Oct 2, 2023 | Sep 29, 2023 |
| 4 | Insider transaction | Oct 2, 2023 | Sep 29, 2023 |
| 4 | Insider transaction | Oct 2, 2023 | Sep 29, 2023 |
| 4 | Insider transaction | Oct 2, 2023 | Sep 29, 2023 |
| 4 | Insider transaction | Oct 2, 2023 | Sep 29, 2023 |
| 4 | Insider transaction | Oct 2, 2023 | Sep 29, 2023 |
| SC 13D | Ownership over 5% (active) | Jun 26, 2023 | — |
| 4 | Insider transaction | May 19, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 19, 2023 | May 18, 2023 |
| 4 | Insider transaction | Mar 16, 2023 | Mar 15, 2023 |
| 4 | Insider transaction | Mar 9, 2023 | Mar 9, 2023 |
| 4 | Insider transaction | Mar 8, 2023 | Mar 6, 2023 |
| 4 | Insider transaction | Feb 22, 2023 | Feb 21, 2023 |
| 4 | Insider transaction | Feb 21, 2023 | Feb 17, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2023 | — |
| 3 | Initial insider ownership | Feb 1, 2023 | Jan 27, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 26, 2023 | — |
| 4 | Insider transaction | Dec 13, 2022 | Dec 12, 2022 |
| 4 | Insider transaction | Dec 2, 2022 | Dec 2, 2022 |
| 4 | Insider transaction | Nov 30, 2022 | Nov 29, 2022 |
| 4 | Insider transaction | Nov 25, 2022 | Nov 23, 2022 |
| 4 | Insider transaction | Nov 18, 2022 | Nov 16, 2022 |
| 4 | Insider transaction | Oct 18, 2022 | Oct 14, 2022 |
| 4 | Insider transaction | Oct 7, 2022 | Oct 7, 2022 |
| 4 | Insider transaction | Oct 7, 2022 | Oct 7, 2022 |
| 4 | Insider transaction | Oct 7, 2022 | Oct 7, 2022 |
| 4 | Insider transaction | Sep 27, 2022 | Sep 23, 2022 |
| 4 | Insider transaction | Sep 7, 2022 | Sep 1, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Aug 25, 2022 | — |
| 4 | Insider transaction | Aug 25, 2022 | Aug 23, 2022 |
| 3 | Initial insider ownership | Aug 25, 2022 | Aug 24, 2022 |
| 4 | Insider transaction | Jul 25, 2022 | Jul 22, 2022 |
| 4 | Insider transaction | Jul 25, 2022 | Jul 22, 2022 |
| 4 | Insider transaction | Jul 25, 2022 | Jul 22, 2022 |
| 3 | Initial insider ownership | Jul 19, 2022 | Jun 20, 2022 |
| 3 | Initial insider ownership | Apr 21, 2022 | Apr 15, 2022 |
| 4 | Insider transaction | Apr 18, 2022 | Apr 15, 2022 |
| 4 | Insider transaction | Apr 18, 2022 | Apr 14, 2022 |
| 4 | Insider transaction | Apr 18, 2022 | Apr 14, 2022 |
| 4 | Insider transaction | Apr 18, 2022 | Apr 14, 2022 |
| 4 | Insider transaction | Apr 18, 2022 | Apr 14, 2022 |
| 4 | Insider transaction | Apr 7, 2022 | Apr 1, 2022 |
| 4 | Insider transaction | Apr 7, 2022 | Apr 1, 2022 |
| 4 | Insider transaction | Apr 7, 2022 | Apr 1, 2022 |
| SC 13G | Ownership over 5% (passive) | Mar 3, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| 4 | Insider transaction | Jan 5, 2022 | Jan 4, 2022 |
| 4 | Insider transaction | Jan 5, 2022 | Jan 4, 2022 |
| 4 | Insider transaction | Jan 5, 2022 | Jan 4, 2022 |
| 4 | Insider transaction | Nov 15, 2021 | Oct 22, 2021 |
| 4 | Insider transaction | Nov 15, 2021 | Oct 22, 2021 |
| 4 | Insider transaction | Nov 15, 2021 | Oct 22, 2021 |
| SC 13G | Ownership over 5% (passive) | Apr 19, 2021 | — |
| 4 | Insider transaction | Apr 2, 2021 | Apr 1, 2021 |
| 4 | Insider transaction | Apr 2, 2021 | Apr 1, 2021 |
| 4 | Insider transaction | Apr 2, 2021 | Apr 1, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 31, 2021 | — |
| 4 | Insider transaction | Mar 30, 2021 | Mar 26, 2021 |
| 4 | Insider transaction | Mar 30, 2021 | Mar 26, 2021 |
| 4 | Insider transaction | Mar 30, 2021 | Mar 26, 2021 |
| 4 | Insider transaction | Mar 30, 2021 | Mar 26, 2021 |
| 4 | Insider transaction | Mar 30, 2021 | Mar 26, 2021 |
| 4 | Insider transaction | Mar 30, 2021 | Mar 26, 2021 |
| 4 | Insider transaction | Jan 11, 2021 | Jan 7, 2021 |
| 4 | Insider transaction | Jan 11, 2021 | Jan 7, 2021 |
| 4 | Insider transaction | Jan 11, 2021 | Jan 7, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 7, 2021 | — |
| 4 | Insider transaction | Dec 23, 2020 | Dec 23, 2020 |
| SC 13G | Ownership over 5% (passive) | Nov 13, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Oct 30, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 19, 2019 | — |
| 4 | Insider transaction | Apr 19, 2019 | Apr 17, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2019 | — |
| 4 | Insider transaction | Dec 19, 2018 | Dec 7, 2018 |
| 4 | Insider transaction | Dec 18, 2018 | Dec 17, 2018 |
| 4 | Insider transaction | Dec 18, 2018 | Dec 17, 2018 |
| 4 | Insider transaction | Dec 18, 2018 | Dec 17, 2018 |
| 4 | Insider transaction | Dec 18, 2018 | Dec 17, 2018 |
| 4 | Insider transaction | Dec 18, 2018 | Dec 17, 2018 |
| 4 | Insider transaction | Dec 18, 2018 | Dec 17, 2018 |
| 4 | Insider transaction | Dec 11, 2018 | Dec 7, 2018 |
| 3 | Initial insider ownership | Oct 22, 2018 | Oct 2, 2018 |
| 3 | Initial insider ownership | Oct 19, 2018 | Oct 9, 2018 |
| SC 13G | Ownership over 5% (passive) | Oct 19, 2018 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 12, 2018 | — |
| 4 | Insider transaction | Oct 11, 2018 | Oct 9, 2018 |
| SC 13G/A | Amended ownership over 5% (passive) | May 2, 2018 | — |
| 4 | Insider transaction | Apr 10, 2018 | Apr 7, 2018 |
| 4 | Insider transaction | Feb 14, 2018 | Feb 12, 2018 |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2018 | — |
| 4 | Insider transaction | May 11, 2017 | May 9, 2017 |
| 4 | Insider transaction | May 11, 2017 | May 9, 2017 |
| 4 | Insider transaction | May 11, 2017 | May 9, 2017 |
| 4 | Insider transaction | May 11, 2017 | May 9, 2017 |
| 4 | Insider transaction | May 11, 2017 | May 9, 2017 |
| 4 | Insider transaction | May 11, 2017 | May 9, 2017 |
| 4 | Insider transaction | May 11, 2017 | May 9, 2017 |
| 4 | Insider transaction | May 11, 2017 | May 9, 2017 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 31, 2017 | — |
| SC 13D | Ownership over 5% (active) | Jan 10, 2017 | — |
| 4 | Insider transaction | Dec 13, 2016 | Dec 9, 2016 |
| 4 | Insider transaction | Dec 13, 2016 | Dec 9, 2016 |
| 4 | Insider transaction | Dec 12, 2016 | Dec 8, 2016 |
| 4 | Insider transaction | Dec 5, 2016 | Dec 1, 2016 |
| 4 | Insider transaction | Dec 2, 2016 | Nov 30, 2016 |
| 4 | Insider transaction | Nov 30, 2016 | Nov 29, 2016 |
| 4 | Insider transaction | Nov 30, 2016 | Nov 28, 2016 |
| 4 | Insider transaction | Sep 9, 2016 | Sep 7, 2016 |
| 4 | Insider transaction | Sep 9, 2016 | Sep 7, 2016 |
| 4 | Insider transaction | Aug 16, 2016 | Aug 12, 2016 |
| 4 | Insider transaction | Aug 16, 2016 | Aug 12, 2016 |
| 5 | Annual insider ownership | Jul 14, 2016 | Jun 30, 2016 |
| 4 | Insider transaction | Mar 15, 2016 | Mar 11, 2016 |
| 4 | Insider transaction | Mar 15, 2016 | Mar 11, 2016 |
| 4 | Insider transaction | Feb 19, 2016 | Feb 17, 2016 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2016 | — |
| 4 | Insider transaction | Jun 22, 2015 | Jun 18, 2015 |
| 4 | Insider transaction | Jun 22, 2015 | Jun 18, 2015 |
| 3 | Initial insider ownership | May 13, 2015 | May 4, 2015 |
| 3 | Initial insider ownership | May 13, 2015 | May 4, 2015 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 17, 2015 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 17, 2015 | — |
| 4 | Insider transaction | Apr 9, 2015 | Apr 7, 2015 |
| 4 | Insider transaction | Apr 9, 2015 | Apr 7, 2015 |
| 4 | Insider transaction | Apr 9, 2015 | Apr 7, 2015 |
| 4 | Insider transaction | Apr 9, 2015 | Apr 7, 2015 |
| 4 | Insider transaction | Apr 9, 2015 | Apr 7, 2015 |
| 4 | Insider transaction | Apr 9, 2015 | Apr 7, 2015 |
| 4 | Insider transaction | Apr 9, 2015 | Apr 7, 2015 |
| 4 | Insider transaction | Apr 9, 2015 | Apr 7, 2015 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Laboratory Analytical Instruments (SIC 3826)
- Listed as
- ASTC (Nasdaq)
- Fiscal year ends
- June 30
- Incorporated in
- DE
- Headquarters
- Austin, TX
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1001907
- Former names
- ASTROTECH Corp \WA\ (until Aug 24, 2015); SPACEHAB INC \WA\ (until Feb 25, 2009)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.