Greenwich LifeSciences, Inc. (GLSI)
Data as of , from SEC Form 4 filings.
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Snehal Patel - OfficerOpen-market purchase$20K- Snehal Patel
About Greenwich LifeSciences, Inc. (GLSI)
Greenwich LifeSciences Inc a clinical-stage biopharmaceutical company focused on its Phase III clinical trial, Flamingo-01, which is evaluating GLSI-100, an immunotherapy to prevent breast cancer recurrences. GP2 is a 9-amino-acid transmembrane peptide of the HER2/neu protein, a cell surface receptor protein that is expressed in a variety of common cancers, including breast cancers at low (1+), intermediate (2+), and high (3+ or overexpressing) levels.
- STAFFORD, TX
- 13
- 2020
- Nasdaq
https://www.greenwichlifesciences.comSEC filings for GLSI on EDGAR
GLSI Form 4 activity by transaction type, last 90 days
No Form 4 activity for GLSI in the last 90 days.
GLSI insider transactions (Form 4)
2219 Form 4 filings on record, the earliest from Nov 25, 2024, newest first.
| Traded | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Snehal Patel - Officer | Open-market purchase | Common Stock | 1,500 | $13.59 | $20K | |
| Snehal Patel - Officer | Open-market purchase | Common Stock | 700 | $13.10 | $9K | |
| Snehal Patel - Officer | Open-market purchase | Common Stock | 1,500 | $13.62 | $20K | |
| Snehal Patel - Officer | Open-market purchase | Common Stock | 2,500 | $13.14 | $33K | |
| Snehal Patel - Officer | Open-market purchase | Common Stock | 1,100 | $12.88 | $14K | |
| Snehal Patel - Officer | Open-market purchase | Common Stock | 1,800 | $29.83 | $54K | |
| Snehal Patel - Officer | Open-market purchase | Common Stock | 2,900 | $27.54 | $80K | |
| Snehal Patel - Officer | Open-market purchase | Common Stock | 4,300 | $21.36 | $92K | |
| Snehal Patel - Officer | Open-market purchase | Common Stock | 2,900 | $21.73 | $63K | |
| Snehal Patel - Officer | Open-market purchase | Common Stock | 4,100 | $12.62 | $52K | |
| Snehal Patel - Officer | Open-market purchase | Common Stock | 4,600 | $8.37 | $39K | |
| Snehal Patel - Officer | Grant or award | Stock Options | 100,000 | $0.00 | - | |
| Snehal Patel - Officer | Open-market purchase | Common Stock | 10,600 | $8.43 | $89K | |
| Snehal Patel - Officer | Open-market purchase | Common Stock | 2,300 | $9.26 | $21K | |
| Snehal Patel - Officer | Grant or award | Stock Options | 1,148,723 | $0.00 | - | |
| Snehal Patel - Officer | Grant or award | Stock Options | 25,008 | $0.00 | - | |
| Kenneth Hallock - Director | Grant or award | Stock Options | 41,349 | $0.00 | - | |
| Frank Joseph Daugherty - Officer | Grant or award | Stock Options | 104,890 | $0.00 | - | |
| Eric Rothe - Director | Grant or award | Stock Options | 41,349 | $0.00 | - | |
| Jaye Thompson - Officer | Grant or award | Stock Options | 149,818 | $0.00 | - | |
| David McWilliams - Director | Grant or award | Stock Options | 61,984 | $0.00 | - | |
| Jaye Thompson - Officer | Open-market purchase | Common Stock | 1,000 | $12.91 | $13K |
GLSI insider trading FAQ
What is the latest insider trade for GLSI?
Greenwich LifeSciences, Inc. (GLSI) has filed no insider reports in the last 90 days. The most recent on record is dated 30 July 2026. The full record for GLSI runs to 19 Form 4 filings, the earliest from 25 November 2024. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying GLSI stock?
No insider purchases of GLSI were filed in the last 90 days. 14 purchases are on record for this company.
How many insiders are selling GLSI stock?
No insider sales of GLSI were filed in the last 90 days.
Where can I see GLSI SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects GLSI Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Snehal Patel view on EDGAR
- - Snehal Patel view on EDGAR
- - Snehal Patel view on EDGAR
- - Snehal Patel view on EDGAR
- - Snehal Patel view on EDGAR
- - Snehal Patel view on EDGAR
- - Snehal Patel view on EDGAR
- - Snehal Patel view on EDGAR
- - Snehal Patel view on EDGAR
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Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Insider activity in Health Care
- Where GLSI's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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- The daily trading plan of ranked insider buys, on a delay, with the plan archive
