Greenwich LifeSciences, Inc. SEC filings GLSI
Greenwich LifeSciences, Inc. has 279 filings in SEC EDGAR's recent list, going back to Jan 27, 2020. Its latest annual report, Form ARS, was filed on Oct 26, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 11, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Dec 18, 2025 (shareholder vote results). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| DEFA14A | Additional proxy material | Oct 26, 2026 | — |
| ARS | Annual report to shareholders | Oct 26, 2026 | Dec 31, 2025 |
| DEF 14A | Proxy statement | Oct 26, 2026 | Oct 26, 2026 |
| 10-Q | Quarterly report | Aug 11, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 30, 2026 | Jul 28, 2026 |
| 4 | Insider transaction | Jul 29, 2026 | Jul 27, 2026 |
| 4 | Insider transaction | Jul 27, 2026 | Jul 23, 2026 |
| 10-Q | Quarterly report | Jun 4, 2026 | Mar 31, 2026 |
| 10-K | Annual report | Jun 1, 2026 | Dec 31, 2025 |
| NT 10-K | Filing | Mar 31, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 15, 2026 | Jan 13, 2026 |
| 4 | Insider transaction | Jan 14, 2026 | Jan 12, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 2, 2026 | Dec 30, 2025 |
| 4 | Insider transaction | Dec 19, 2025 | Dec 18, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Dec 18, 2025 | Dec 18, 2025 |
| 4 | Insider transaction | Nov 28, 2025 | Nov 25, 2025 |
| 4 | Insider transaction | Nov 17, 2025 | Nov 13, 2025 |
| 10-Q | Quarterly report | Nov 14, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Nov 12, 2025 | Nov 7, 2025 |
| 4 | Insider transaction | Nov 4, 2025 | Oct 31, 2025 |
| ARS | Annual report to shareholders | Nov 3, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Nov 3, 2025 | — |
| DEF 14A | Proxy statement | Nov 3, 2025 | Nov 3, 2025 |
| 10-Q | Quarterly report | Aug 14, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Auditor change
|
Jul 24, 2025 | Jul 19, 2025 |
| 10-Q | Quarterly report | May 20, 2025 | Mar 31, 2025 |
| NT 10-Q | Filing | May 15, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 29, 2025 | Apr 25, 2025 |
| 4 | Insider transaction | Apr 22, 2025 | Apr 17, 2025 |
| 10-K | Annual report | Apr 15, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Apr 8, 2025 | Apr 7, 2025 |
| 4 | Insider transaction | Apr 7, 2025 | Apr 4, 2025 |
| NT 10-K | Filing | Mar 31, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 13, 2025 | Jan 10, 2025 |
| 4 | Insider transaction | Jan 8, 2025 | Jan 6, 2025 |
| 4 | Insider transaction | Jan 7, 2025 | Jan 3, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 30, 2024 |
| 4 | Insider transaction | Dec 27, 2024 | Dec 24, 2024 |
| 4 | Insider transaction | Dec 27, 2024 | Dec 24, 2024 |
| 4 | Insider transaction | Dec 27, 2024 | Dec 24, 2024 |
| 4 | Insider transaction | Dec 27, 2024 | Dec 24, 2024 |
| 4 | Insider transaction | Dec 27, 2024 | Dec 24, 2024 |
| 4 | Insider transaction | Dec 27, 2024 | Dec 24, 2024 |
| S-8 | Employee stock plan registration | Dec 20, 2024 | — |
| 8-K |
Current report
Shareholder vote results
|
Dec 19, 2024 | Dec 19, 2024 |
| 4 | Insider transaction | Nov 25, 2024 | Nov 21, 2024 |
| 10-Q | Quarterly report | Nov 14, 2024 | Sep 30, 2024 |
| DEFA14A | Additional proxy material | Nov 1, 2024 | — |
| ARS | Annual report to shareholders | Nov 1, 2024 | Dec 31, 2023 |
| DEF 14A | Proxy statement | Nov 1, 2024 | Nov 1, 2024 |
| EFFECT | Filing | Oct 17, 2024 | — |
| CORRESP | Letter to the SEC | Oct 15, 2024 | — |
| UPLOAD | Letter from the SEC | Oct 11, 2024 | — |
| S-3 | Shelf registration | Oct 7, 2024 | — |
| 4 | Insider transaction | Sep 30, 2024 | Sep 26, 2024 |
| 4 | Insider transaction | Sep 16, 2024 | Aug 12, 2024 |
| 10-Q | Quarterly report | Aug 14, 2024 | Jun 30, 2024 |
| 4 | Insider transaction | Aug 8, 2024 | Aug 6, 2024 |
| 4 | Insider transaction | Aug 7, 2024 | Aug 5, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 2, 2024 |
| 4 | Insider transaction | Jul 24, 2024 | Jul 23, 2024 |
| 4 | Insider transaction | Jul 22, 2024 | Jul 18, 2024 |
| D | Filing | Jun 18, 2024 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Jun 17, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 13, 2024 |
| 10-Q | Quarterly report | May 20, 2024 | Mar 31, 2024 |
| NT 10-Q | Filing | May 15, 2024 | Mar 31, 2024 |
| 10-K | Annual report | Apr 15, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Apr 3, 2024 | Apr 1, 2024 |
| NT 10-K | Filing | Apr 1, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Mar 26, 2024 | Mar 22, 2024 |
| 4 | Insider transaction | Mar 22, 2024 | Mar 20, 2024 |
| 4/A | Filing | Mar 7, 2024 | Mar 5, 2024 |
| 4 | Insider transaction | Mar 7, 2024 | Mar 5, 2024 |
| 4 | Insider transaction | Mar 6, 2024 | Mar 4, 2024 |
| 4 | Insider transaction | Feb 21, 2024 | Feb 16, 2024 |
| 8-K |
Current report
Auditor change
|
Feb 20, 2024 | Feb 14, 2024 |
| 4 | Insider transaction | Feb 20, 2024 | Feb 15, 2024 |
| 8-K |
Current report
Other events
|
Feb 14, 2024 | Feb 14, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Dec 15, 2023 | Dec 15, 2023 |
| 4 | Insider transaction | Nov 14, 2023 | Nov 10, 2023 |
| 4 | Insider transaction | Nov 7, 2023 | Nov 3, 2023 |
| 4 | Insider transaction | Oct 31, 2023 | Oct 27, 2023 |
| 4 | Insider transaction | Oct 30, 2023 | Oct 26, 2023 |
| 4 | Insider transaction | Oct 27, 2023 | Oct 25, 2023 |
| DEFA14A | Additional proxy material | Oct 25, 2023 | — |
| ARS | Annual report to shareholders | Oct 25, 2023 | Dec 31, 2022 |
| DEF 14A | Proxy statement | Oct 25, 2023 | Oct 24, 2023 |
| 10-Q | Quarterly report | Oct 19, 2023 | Sep 30, 2023 |
| 4 | Insider transaction | Oct 12, 2023 | Oct 10, 2023 |
| 4 | Insider transaction | Oct 5, 2023 | Oct 4, 2023 |
| 4 | Insider transaction | Sep 28, 2023 | Sep 26, 2023 |
| 4 | Insider transaction | Sep 21, 2023 | Sep 19, 2023 |
| 4 | Insider transaction | Sep 13, 2023 | Sep 11, 2023 |
| 4 | Insider transaction | Aug 24, 2023 | Aug 22, 2023 |
| 10-Q | Quarterly report | Aug 21, 2023 | Jun 30, 2023 |
| NT 10-Q | Filing | Aug 14, 2023 | Jun 30, 2023 |
| 4 | Insider transaction | Aug 8, 2023 | Aug 4, 2023 |
| 4 | Insider transaction | Jul 25, 2023 | Jul 21, 2023 |
| 4 | Insider transaction | Jul 17, 2023 | Jul 13, 2023 |
| 10-Q | Quarterly report | May 22, 2023 | Mar 31, 2023 |
| 4 | Insider transaction | May 18, 2023 | May 17, 2023 |
| NT 10-Q | Filing | May 15, 2023 | Mar 31, 2023 |
| 4 | Insider transaction | May 2, 2023 | Apr 28, 2023 |
| 4 | Insider transaction | Apr 21, 2023 | Apr 19, 2023 |
| 4 | Insider transaction | Apr 20, 2023 | Apr 18, 2023 |
| 8-K |
Current report
Other events
|
Apr 13, 2023 | Apr 13, 2023 |
| 4 | Insider transaction | Apr 12, 2023 | Apr 11, 2023 |
| 4 | Insider transaction | Apr 12, 2023 | Apr 11, 2023 |
| 10-K | Annual report | Mar 31, 2023 | Dec 31, 2022 |
| 4 | Insider transaction | Mar 16, 2023 | Mar 15, 2023 |
| 4 | Insider transaction | Mar 13, 2023 | Mar 10, 2023 |
| 8-K |
Current report
Other events
|
Mar 13, 2023 | Mar 13, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 22, 2023 | Feb 17, 2023 |
| 4 | Insider transaction | Feb 14, 2023 | Feb 10, 2023 |
| 4 | Insider transaction | Feb 7, 2023 | Feb 3, 2023 |
| 4 | Insider transaction | Jan 31, 2023 | Jan 27, 2023 |
| 4 | Insider transaction | Jan 30, 2023 | Jan 27, 2023 |
| 4 | Insider transaction | Jan 24, 2023 | Jan 20, 2023 |
| 4 | Insider transaction | Jan 17, 2023 | Jan 13, 2023 |
| 4 | Insider transaction | Jan 10, 2023 | Jan 6, 2023 |
| 4 | Insider transaction | Jan 3, 2023 | Dec 29, 2022 |
| 4 | Insider transaction | Dec 20, 2022 | Dec 16, 2022 |
| 4 | Insider transaction | Dec 20, 2022 | Dec 16, 2022 |
| 4 | Insider transaction | Dec 13, 2022 | Dec 9, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Dec 9, 2022 | Dec 9, 2022 |
| 4 | Insider transaction | Dec 6, 2022 | Dec 2, 2022 |
| 4 | Insider transaction | Dec 6, 2022 | Dec 2, 2022 |
| 10-Q | Quarterly report | Nov 14, 2022 | Sep 30, 2022 |
| 4 | Insider transaction | Nov 4, 2022 | Nov 2, 2022 |
| DEFA14A | Additional proxy material | Oct 19, 2022 | — |
| DEF 14A | Proxy statement | Oct 19, 2022 | Oct 19, 2022 |
| 4 | Insider transaction | Oct 17, 2022 | Oct 14, 2022 |
| 4 | Insider transaction | Oct 11, 2022 | Oct 7, 2022 |
| 4 | Insider transaction | Oct 4, 2022 | Sep 30, 2022 |
| 4 | Insider transaction | Oct 3, 2022 | Sep 29, 2022 |
| 10-Q | Quarterly report | Aug 15, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Material agreement
|
Jul 12, 2022 | Jul 12, 2022 |
| 424B5 | Prospectus supplement | Jul 12, 2022 | — |
| 8-K |
Current report
Other events
|
Jul 12, 2022 | Jul 12, 2022 |
| 8-K |
Current report
Other events
|
Jul 11, 2022 | Jul 11, 2022 |
| S-8 | Employee stock plan registration | Jul 5, 2022 | — |
| 4 | Insider transaction | Jun 27, 2022 | Jun 24, 2022 |
| 10-K/A | Amended annual report | Jun 24, 2022 | Dec 31, 2021 |
| 4 | Insider transaction | Jun 24, 2022 | Jun 22, 2022 |
| 4 | Insider transaction | Jun 24, 2022 | Jun 22, 2022 |
| 4 | Insider transaction | Jun 24, 2022 | Jun 22, 2022 |
| 4 | Insider transaction | Jun 24, 2022 | Jun 22, 2022 |
| 4 | Insider transaction | Jun 24, 2022 | Jun 22, 2022 |
| 4 | Insider transaction | Jun 24, 2022 | Jun 22, 2022 |
| SC 13G | Ownership over 5% (passive) | Jun 22, 2022 | — |
| 4 | Insider transaction | Jun 17, 2022 | Jun 16, 2022 |
| 4 | Insider transaction | Jun 15, 2022 | Jun 14, 2022 |
| 4 | Insider transaction | Jun 13, 2022 | Jun 10, 2022 |
| 4 | Insider transaction | Jun 10, 2022 | Jun 9, 2022 |
| 4 | Insider transaction | Jun 8, 2022 | Jun 7, 2022 |
| 4 | Insider transaction | Jun 6, 2022 | Jun 3, 2022 |
| 4 | Insider transaction | Jun 3, 2022 | Jun 2, 2022 |
| 10-Q | Quarterly report | May 20, 2022 | Mar 31, 2022 |
| NT 10-Q | Filing | May 17, 2022 | Mar 31, 2022 |
| 4 | Insider transaction | Apr 26, 2022 | Apr 25, 2022 |
| 4 | Insider transaction | Apr 22, 2022 | Apr 21, 2022 |
| 4 | Insider transaction | Apr 21, 2022 | Apr 19, 2022 |
| 4 | Insider transaction | Apr 20, 2022 | Apr 19, 2022 |
| EFFECT | Filing | Apr 6, 2022 | — |
| CORRESP | Letter to the SEC | Apr 4, 2022 | — |
| S-3/A | Filing | Apr 1, 2022 | — |
| UPLOAD | Letter from the SEC | Mar 31, 2022 | — |
| S-3 | Shelf registration | Mar 25, 2022 | — |
| 10-K | Annual report | Mar 21, 2022 | Dec 31, 2021 |
| 4 | Insider transaction | Feb 14, 2022 | Feb 11, 2022 |
| 4 | Insider transaction | Feb 8, 2022 | Feb 4, 2022 |
| 4 | Insider transaction | Feb 1, 2022 | Jan 31, 2022 |
| 4 | Insider transaction | Jan 24, 2022 | Jan 21, 2022 |
| 4 | Insider transaction | Jan 24, 2022 | Jan 21, 2022 |
| 4 | Insider transaction | Jan 19, 2022 | Jan 18, 2022 |
| 4 | Insider transaction | Jan 18, 2022 | Jan 13, 2022 |
| 4 | Insider transaction | Jan 14, 2022 | Jan 13, 2022 |
| 4 | Insider transaction | Jan 14, 2022 | Jan 13, 2022 |
| 3 | Initial insider ownership | Jan 11, 2022 | Dec 20, 2021 |
| 4 | Insider transaction | Jan 4, 2022 | Jan 3, 2022 |
| 4 | Insider transaction | Dec 16, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Dec 16, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Dec 16, 2021 | Dec 14, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Dec 15, 2021 | Dec 15, 2021 |
| 8-K |
Current report
Other events
|
Dec 13, 2021 | Dec 9, 2021 |
| 10-Q | Quarterly report | Nov 15, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 10, 2021 | Nov 9, 2021 |
| DEFA14A | Additional proxy material | Oct 20, 2021 | — |
| DEF 14A | Proxy statement | Oct 19, 2021 | Oct 19, 2021 |
| 10-Q | Quarterly report | Aug 13, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Other events
|
Jun 10, 2021 | Jun 8, 2021 |
| 8-K |
Current report
Other events
|
Jun 9, 2021 | Jun 7, 2021 |
| 10-Q | Quarterly report | May 20, 2021 | Mar 31, 2021 |
| NT 10-Q | Filing | May 17, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Other events
|
Apr 20, 2021 | Apr 19, 2021 |
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
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- GLSI (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Stafford, TX
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1799788
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.