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 |
|---|---|---|---|
| 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 |
| 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 |
| 4 | Insider transaction | Nov 28, 2025 | Nov 25, 2025 |
| 4 | Insider transaction | Nov 17, 2025 | Nov 13, 2025 |
| 4 | Insider transaction | Nov 12, 2025 | Nov 7, 2025 |
| 4 | Insider transaction | Nov 4, 2025 | Oct 31, 2025 |
| 4 | Insider transaction | Apr 29, 2025 | Apr 25, 2025 |
| 4 | Insider transaction | Apr 22, 2025 | Apr 17, 2025 |
| 4 | Insider transaction | Apr 8, 2025 | Apr 7, 2025 |
| 4 | Insider transaction | Apr 7, 2025 | Apr 4, 2025 |
| 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 |
| 4 | Insider transaction | Nov 25, 2024 | Nov 21, 2024 |
| 4 | Insider transaction | Sep 30, 2024 | Sep 26, 2024 |
| 4 | Insider transaction | Sep 16, 2024 | Aug 12, 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 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Apr 3, 2024 | Apr 1, 2024 |
| 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 |
| 4 | Insider transaction | Feb 20, 2024 | Feb 15, 2024 |
| 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 |
| 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 |
| 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 |
| 4 | Insider transaction | May 18, 2023 | May 17, 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 |
| 4 | Insider transaction | Apr 12, 2023 | Apr 11, 2023 |
| 4 | Insider transaction | Apr 12, 2023 | Apr 11, 2023 |
| 4 | Insider transaction | Mar 16, 2023 | Mar 15, 2023 |
| 4 | Insider transaction | Mar 13, 2023 | Mar 10, 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 |
| 4 | Insider transaction | Dec 6, 2022 | Dec 2, 2022 |
| 4 | Insider transaction | Dec 6, 2022 | Dec 2, 2022 |
| 4 | Insider transaction | Nov 4, 2022 | Nov 2, 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 |
| 4 | Insider transaction | Jun 27, 2022 | Jun 24, 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 |
| 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 |
| 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 |
| 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 |
| 4 | Insider transaction | Apr 14, 2021 | Apr 13, 2021 |
| SC 13D | Ownership over 5% (active) | Nov 30, 2020 | — |
| 4 | Insider transaction | Nov 27, 2020 | Nov 10, 2020 |
| 4 | Insider transaction | Nov 27, 2020 | Nov 24, 2020 |
| 4 | Insider transaction | Nov 25, 2020 | Nov 23, 2020 |
| 4 | Insider transaction | Nov 24, 2020 | Nov 20, 2020 |
| 4 | Insider transaction | Nov 24, 2020 | Nov 20, 2020 |
| 4 | Insider transaction | Nov 24, 2020 | Nov 20, 2020 |
| 4 | Insider transaction | Nov 20, 2020 | Nov 19, 2020 |
| SC 13D | Ownership over 5% (active) | Oct 13, 2020 | — |
| 4 | Insider transaction | Oct 9, 2020 | Sep 29, 2020 |
| 3 | Initial insider ownership | Oct 9, 2020 | Sep 24, 2020 |
| 4 | Insider transaction | Oct 1, 2020 | Sep 29, 2020 |
| 4 | Insider transaction | Oct 1, 2020 | Sep 29, 2020 |
| 3/A | Filing | Sep 30, 2020 | Sep 24, 2020 |
| 4 | Insider transaction | Sep 30, 2020 | Sep 29, 2020 |
| 4 | Insider transaction | Sep 30, 2020 | Sep 29, 2020 |
| 4 | Insider transaction | Sep 30, 2020 | Sep 29, 2020 |
| 4 | Insider transaction | Sep 29, 2020 | Sep 29, 2020 |
| 4 | Insider transaction | Sep 29, 2020 | Sep 29, 2020 |
| 4 | Insider transaction | Sep 29, 2020 | Sep 29, 2020 |
| 4 | Insider transaction | Sep 29, 2020 | Sep 29, 2020 |
| 3 | Initial insider ownership | Sep 24, 2020 | Sep 24, 2020 |
| 3 | Initial insider ownership | Sep 24, 2020 | Sep 24, 2020 |
| 3 | Initial insider ownership | Sep 24, 2020 | Sep 24, 2020 |
| 3 | Initial insider ownership | Sep 24, 2020 | Sep 24, 2020 |
| 3 | Initial insider ownership | Sep 24, 2020 | Sep 24, 2020 |
| 3 | Initial insider ownership | Sep 24, 2020 | Sep 24, 2020 |
| 3 | Initial insider ownership | Sep 24, 2020 | Sep 24, 2020 |
Showing 149 filings. 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.