Greenwich LifeSciences, Inc. (GLSI) Insider Trading & SEC Filings
Last SEC filing
Greenwich LifeSciences, Inc. (GLSI) has filed 3 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-30. Insiders disclosed 5 open-market purchases totaling $97K. InsiderAlpha tracks every GLSI SEC filing - Form 4, Form 144, and 8-K - in real time, including Rule 10b5-1 plan detection.
About Greenwich LifeSciences, Inc. (GLSI)
Greenwich LifeSciences, Inc. trades under the ticker GLSI. InsiderAlpha tracks 19 primary SEC Form 4 filings from 6 reporting insiders for GLSI since 2024, sourced directly from SEC EDGAR.
| SEC CIK | 0001799788 |
|---|
90-Day SEC Filing Activity
| Insider purchases (90d) | 5 ($97K) |
|---|---|
| Form 4 filings (90d) | 3 |
| Latest Form 4 filing | 2026-07-30 |
Recent GLSI Insider Transactions (Form 4)
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Snehal Patel | CEO and CFO | P - Open-market purchase | 700 | $13.10 | $9K | SEC | |
| Snehal Patel | CEO and CFO | P - Open-market purchase | 1.5K | $13.59 | $20K | SEC | |
| Snehal Patel | CEO and CFO | P - Open-market purchase | 1.5K | $13.62 | $20K | SEC | |
| Snehal Patel | CEO and CFO | P - Open-market purchase | 1.1K | $12.88 | $14K | SEC | |
| Snehal Patel | CEO and CFO | P - Open-market purchase | 2.5K | $13.14 | $33K | SEC | |
| Snehal Patel | CEO and CFO | P - Open-market purchase | 1.8K | $29.83 | $54K | SEC | |
| Snehal Patel | CEO and CFO | P - Open-market purchase | 2.9K | $27.54 | $80K | SEC | |
| Snehal Patel | CEO and CFO | P - Open-market purchase | 4.3K | $21.36 | $92K | SEC | |
| Snehal Patel | CEO and CFO | P - Open-market purchase | 2.9K | $21.73 | $63K | SEC | |
| Snehal Patel | CEO and CFO | P - Open-market purchase | 4.1K | $12.62 | $52K | SEC | |
| Snehal Patel | CEO and CFO | P - Open-market purchase | 4.6K | $8.37 | $39K | SEC | |
| Snehal Patel | CEO and CFO | P - Open-market purchase | 10.6K | $8.43 | $89K | SEC | |
| Snehal Patel | CEO and CFO | P - Open-market purchase | 2.3K | $9.26 | $21K | SEC | |
| Jaye Thompson | VP Clinical Reg Affairs | P - Open-market purchase | 1.0K | $12.91 | $13K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Greenwich LifeSciences, Inc. (GLSI). Updated in real time as new filings are submitted to the SEC.
Most-Active GLSI Insiders - Last 90 Days
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Snehal Patel | 5 | $97K |
Recent Insider Filings
- - Snehal Patel (CEO and CFO)
- - Snehal Patel (CEO and CFO)
- - Snehal Patel (CEO and CFO)
- - Snehal Patel (CEO and CFO)
- - Snehal Patel (CEO and CFO)
Form 4 Transaction Code Reference
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in GLSI insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
GLSI Insider Trading - FAQ
- What is the latest insider trade for GLSI?
- Greenwich LifeSciences, Inc. (GLSI) had 3 insider filings in the last 90 days, with the most recent on 2026-07-30. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
- How many insiders are buying GLSI stock?
- 5 insider purchases of GLSI were filed in the last 90 days, totaling $97K.
- How many insiders are selling GLSI stock?
- 0 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 tracks GLSI Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Learn More
- What is SEC Form 4?
- How to read insider buying signals
- Rule 10b5-1 trading plans explained
- The cluster buying signal
Open the live GLSI dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.