Greenwich LifeSciences, Inc.
GLSIAs of the close on Sep 25, 2026
Price
$18.22
Market cap
$267M
P/E (diluted TTM)
—
Not meaningful: the last four quarters were a loss
EPS (TTM)
−$1.60
Four quarters to Jun 30, 2026
Dividend yield
—
Dividend records do not yet cover the latest payments
Figures shown here come from public SEC filings. Dates beside each section show the available history.
How Greenwich LifeSciences, Inc. Makes Money
No flow chart is shown because the available revenue and expense lines do not reconcile exactly. The reported financial history below remains available.
Financial Summary
Choose a year or quarter, compare it with the same period a year earlier, and open any row for its full filing history.
Loading financial history…
SEC filings supply these figures; updates after the dates shown are not included. This page includes 7 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated Jan 15, 2026. The latest institutional report shown is dated Mar 31, 2026; other ownership filings may exist.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Reported 13F positions
Each row shows what a filer reported for one date, not a current position. The link opens that filing.
| Filer | Report date | Shares | Value | Filing |
|---|---|---|---|---|
| EverSource Wealth Advisors, LLC | 2026-03-31 | 8 | $192 | SEC filing |
| MARSHALL WACE, LLP | 2026-03-31 | 25,658 | $616K | SEC filing |
| MAI Capital Management | 2026-03-31 | 1 | $25 | SEC filing |
| SEI INVESTMENTS CO | 2026-03-31 | 26,088 | $627K | SEC filing |
| Police & Firemen's Retirement System of New Jersey | 2026-03-31 | 2,768 | $66.5K | SEC filing |
| Optiver Holding B.V. | 2026-03-31 | 96 | $2.31K | SEC filing |
| DEUTSCHE BANK AG\ | 2026-03-31 | 5,162 | $124K | SEC filing |
| BlackRock, Inc. | 2026-03-31 | 433,860 | $10.4M | SEC filing |
| NFSG Corp | 2026-03-31 | 2,100 | $50.4K | SEC filing |
| CVA Family Office, LLC | 2026-03-31 | 10 | $240 | SEC filing |
| NEW YORK STATE COMMON RETIREMENT FUND | 2026-03-31 | 1,200 | $28.8K | SEC filing |
| FMR LLC | 2026-03-31 | 4,107 | $98.7K | SEC filing |
| Tower Research Capital LLC (TRC) | 2026-03-31 | 1,420 | $34.1K | SEC filing |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 2026-03-31 | 521 | $12.5K | SEC filing |
| ROTHSCHILD INVESTMENT LLC | 2026-03-31 | 1 | $24 | SEC filing |
| WELLS FARGO & COMPANY/MN | 2026-03-31 | 2,440 | $58.6K | SEC filing |
| Nuveen, LLC | 2026-03-31 | 88,717 | $2.13M | SEC filing |
| Federation des caisses Desjardins du Quebec | 2026-03-31 | 13 | $312 | SEC filing |
| MILLENNIUM MANAGEMENT LLC | 2026-03-31 | 17,398 | $418K | SEC filing |
| Legal & General Group Plc | 2026-03-31 | 516 | $12.4K | SEC filing |
Filer report history
Two reports per filer, as filed. No change is calculated, because the data on file cannot confirm that both reports describe the same security.
- STRS OHIO: 5,700 shares reported 2025-12-31; 13,700 shares reported 2026-03-31.
- BARCLAYS PLC: 9,744 shares reported 2025-12-31; 1,159 shares reported 2026-03-31.
- STATE STREET CORP: 97,777 shares reported 2025-12-31; 133,875 shares reported 2026-03-31.
- OSAIC HOLDINGS, INC.: 6 shares reported 2025-12-31; 6 shares reported 2026-03-31.
- CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM: 385 shares reported 2025-12-31; 339 shares reported 2026-03-31.
- Washington Trust Advisors, Inc.: 200 shares reported 2025-12-31; 200 shares reported 2026-03-31.
- NORTHERN TRUST CORP: 73,009 shares reported 2025-12-31; 75,125 shares reported 2026-03-31.
- Bank of New York Mellon Corp: 13,866 shares reported 2025-12-31; 46,523 shares reported 2026-03-31.
- BNP PARIBAS FINANCIAL MARKETS: 1,840 shares reported 2025-12-31; 1,732 shares reported 2026-03-31.
- CHARLES SCHWAB INVESTMENT MANAGEMENT INC: 19,041 shares reported 2025-12-31; 16,603 shares reported 2026-03-31.
- Geneos Wealth Management Inc.: 88 shares reported 2025-12-31; 88 shares reported 2026-03-31.
- ROYAL BANK OF CANADA: 998 shares reported 2025-12-31; 6 shares reported 2026-03-31.
Showing the 12 most recent filer reports.
30 filers have only one report here.
Independent insiders buying near the same time
- 2024-08-05–2024-08-12: 3 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
- 2024-08-02–2024-08-06: 3 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
- 2024-07-18–2024-07-23: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
- 2023-10-27–2023-11-03: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
- 2023-10-25–2023-10-27: 3 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
- 2023-09-19–2023-09-26: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
- 2023-04-11–2023-04-18: 3 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
- 2023-03-10–2023-03-15: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
- 2023-02-17–2023-02-24: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
- 2023-02-03–2023-02-10: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
- 2023-01-27–2023-02-03: 3 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
- 2023-01-20–2023-01-27: 3 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
- 2023-01-13–2023-01-20: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
- 2023-01-06–2023-01-13: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
- 2022-12-09–2022-12-16: 3 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
- 2022-12-02–2022-12-09: 3 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
- 2022-04-19–2022-04-25: 4 event(s) across 3 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing )
- 2022-01-31–2022-02-04: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
- 2022-01-18–2022-01-21: 3 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
- 2022-01-13–2022-01-18: 4 event(s) across 3 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing )
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2026-01-13 | Patel Snehal · CEO and CFO | Common Stock | P — Open market or private purchase | +1,800 | 29.83 | SEC filing |
| 2026-01-12 | Patel Snehal · CEO and CFO | Common Stock | P — Open market or private purchase | +2,900 | 27.54 | SEC filing |
| 2025-12-31 | Patel Snehal · CEO and CFO | Common Stock | P — Open market or private purchase | +4,300 | 21.36 | SEC filing |
| 2025-12-30 | Patel Snehal · CEO and CFO | Common Stock | P — Open market or private purchase | +2,900 | 21.73 | SEC filing |
| 2025-12-18 | Patel Snehal · CEO and CFO | Common Stock | P — Open market or private purchase | +4,100 | 12.62 | SEC filing |
| 2025-11-25 | Patel Snehal · CEO and CFO | Common Stock | P — Open market or private purchase | +4,600 | 8.37 | SEC filing |
| 2025-11-07 | Patel Snehal · CEO and CFO | Common Stock | P — Open market or private purchase | +10,600 | 8.43 | SEC filing |
| 2025-10-31 | Patel Snehal · CEO and CFO | Common Stock | P — Open market or private purchase | +2,300 | 9.26 | SEC filing |
Showing 8 of 10 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2025-11-13 | Patel Snehal · CEO and CFO | Stock Options | A — Grant, award, or other acquisition | +100,000 | SEC filing |
| 2024-12-24 | Patel Snehal · CEO and CFO | Stock Options | A — Grant, award, or other acquisition | +25,008 | SEC filing |
| 2024-12-24 | Daugherty Frank Joseph · Chief Medical Officer | Stock Options | A — Grant, award, or other acquisition | +104,890 | SEC filing |
| 2024-12-24 | Rothe Eric · Director | Stock Options | A — Grant, award, or other acquisition | +41,349 | SEC filing |
| 2024-12-24 | McWilliams David · Director | Stock Options | A — Grant, award, or other acquisition | +61,984 | SEC filing |
| 2024-12-24 | Patel Snehal · CEO and CFO | Stock Options | A — Grant, award, or other acquisition | +1,148,723 | SEC filing |
| 2024-12-24 | Thompson Jaye · VP Clinical Reg Affairs | Stock Options | A — Grant, award, or other acquisition | +149,818 | SEC filing |
| 2024-12-24 | Hallock Kenneth · Director | Stock Options | A — Grant, award, or other acquisition | +41,349 | SEC filing |
Showing 8 of 20 rows
Other activity
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2020-11-10 | Patel Pankaj Amrit · 10% owner | Common Stock | J — Other acquisition or disposition | −187,266 | SEC filing |
| 2020-09-29 | Patel Kinnary · 10% owner | Series D Preferred Stock | J — Other acquisition or disposition | +7,292 | SEC filing |
| 2020-09-29 | Patel Snehal · CEO and CFO | Series D Preferred Stock | J — Other acquisition or disposition | +6,929 | SEC filing |
| 2020-09-29 | Hallock Kenneth · Director | Series D Preferred Stock | J — Other acquisition or disposition | +12,728 | SEC filing |
| 2020-09-29 | McWilliams David · Director | Series D Preferred Stock | J — Other acquisition or disposition | +1,054 | SEC filing |
| 2020-09-29 | Patel Snehal · CEO and CFO | Series D Preferred Stock | J — Other acquisition or disposition | +14,401 | SEC filing |
| 2020-09-29 | Patel Snehal · CEO and CFO | Series D Preferred Stock | J — Other acquisition or disposition | +7,292 | SEC filing |
Showing 7 of 7 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.