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 |
| 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 |
| 8-K |
Current report
Shareholder vote results
|
Dec 18, 2025 | Dec 18, 2025 |
| 10-Q | Quarterly report | Nov 14, 2025 | Sep 30, 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 |
| 10-K | Annual report | Apr 15, 2025 | Dec 31, 2024 |
| NT 10-K | Filing | Mar 31, 2025 | Dec 31, 2024 |
| S-8 | Employee stock plan registration | Dec 20, 2024 | — |
| 8-K |
Current report
Shareholder vote results
|
Dec 19, 2024 | Dec 19, 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 | — |
| 10-Q | Quarterly report | Aug 14, 2024 | Jun 30, 2024 |
| D | Filing | Jun 18, 2024 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
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 |
| NT 10-K | Filing | Apr 1, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Auditor change
|
Feb 20, 2024 | Feb 14, 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 |
| 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 |
| 10-Q | Quarterly report | Aug 21, 2023 | Jun 30, 2023 |
| NT 10-Q | Filing | Aug 14, 2023 | Jun 30, 2023 |
| 10-Q | Quarterly report | May 22, 2023 | Mar 31, 2023 |
| NT 10-Q | Filing | May 15, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Other events
|
Apr 13, 2023 | Apr 13, 2023 |
| 10-K | Annual report | Mar 31, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Other events
|
Mar 13, 2023 | Mar 13, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Dec 9, 2022 | Dec 9, 2022 |
| 10-Q | Quarterly report | Nov 14, 2022 | Sep 30, 2022 |
| DEFA14A | Additional proxy material | Oct 19, 2022 | — |
| DEF 14A | Proxy statement | Oct 19, 2022 | Oct 19, 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 | — |
| 10-K/A | Amended annual report | Jun 24, 2022 | Dec 31, 2021 |
| 10-Q | Quarterly report | May 20, 2022 | Mar 31, 2022 |
| NT 10-Q | Filing | May 17, 2022 | Mar 31, 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 |
| 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 |
| 8-K |
Current report
Other events
|
Apr 15, 2021 | Apr 14, 2021 |
| 8-K |
Current report
Other events
|
Apr 13, 2021 | Apr 9, 2021 |
| 10-K | Annual report | Mar 31, 2021 | Dec 31, 2020 |
| 424B3 | Prospectus | Mar 8, 2021 | — |
| 8-K |
Current report
Material agreement, Other events
|
Dec 22, 2020 | Dec 17, 2020 |
| 424B4 | Prospectus | Dec 18, 2020 | — |
| EFFECT | Filing | Dec 17, 2020 | — |
| S-1MEF | Filing | Dec 17, 2020 | — |
| FWP | Free writing prospectus | Dec 16, 2020 | — |
| CORRESP | Letter to the SEC | Dec 15, 2020 | — |
| CORRESP | Letter to the SEC | Dec 15, 2020 | — |
| S-1 | Registration statement | Dec 15, 2020 | — |
| 8-K |
Current report
Other events
|
Dec 15, 2020 | Dec 15, 2020 |
| 8-K |
Current report
Other events
|
Dec 14, 2020 | Dec 11, 2020 |
| UPLOAD | Letter from the SEC | Dec 11, 2020 | — |
| 8-K |
Current report
Other events
|
Dec 10, 2020 | Dec 9, 2020 |
| DRS | Filing | Dec 7, 2020 | — |
| 8-K |
Current report
Other events
|
Nov 24, 2020 | Nov 23, 2020 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Nov 19, 2020 | Nov 18, 2020 |
| 10-Q | Quarterly report | Nov 16, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Other events
|
Nov 13, 2020 | Nov 12, 2020 |
| 424B3 | Prospectus | Nov 10, 2020 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Oct 9, 2020 | Oct 6, 2020 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Other events
|
Oct 1, 2020 | Sep 29, 2020 |
| 424B4 | Prospectus | Sep 28, 2020 | — |
| 424B4 | Prospectus | Sep 28, 2020 | — |
| 8-K |
Current report
Material agreement, Other events
|
Sep 28, 2020 | Sep 24, 2020 |
| EFFECT | Filing | Sep 24, 2020 | — |
| CERT | Filing | Sep 24, 2020 | — |
| 8-A12B | For registration of certain classes | Sep 23, 2020 | — |
| CORRESP | Letter to the SEC | Sep 22, 2020 | — |
| CORRESP | Letter to the SEC | Sep 22, 2020 | — |
| FWP | Free writing prospectus | Sep 22, 2020 | — |
| S-1/A | Amended registration statement | Sep 10, 2020 | — |
| S-1/A | Amended registration statement | Sep 9, 2020 | — |
| CORRESP | Letter to the SEC | Jun 26, 2020 | — |
| S-1/A | Amended registration statement | Jun 26, 2020 | — |
| UPLOAD | Letter from the SEC | Jun 25, 2020 | — |
| FWP | Free writing prospectus | Jun 23, 2020 | — |
| S-1/A | Amended registration statement | Jun 23, 2020 | — |
| CORRESP | Letter to the SEC | Jun 22, 2020 | — |
| UPLOAD | Letter from the SEC | Jun 10, 2020 | — |
| S-1 | Registration statement | May 29, 2020 | — |
| CORRESP | Letter to the SEC | May 29, 2020 | — |
| UPLOAD | Letter from the SEC | Apr 16, 2020 | — |
| DRSLTR | Filing | Apr 7, 2020 | — |
| DRS/A | Filing | Apr 7, 2020 | — |
| UPLOAD | Letter from the SEC | Feb 20, 2020 | — |
| DRS | Filing | Jan 28, 2020 | — |
| DRSLTR | Filing | Jan 27, 2020 | — |
Showing 130 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.