Company profile
Greenwich LifeSciences, Inc. Insider Trading
GLSIEvery SEC Form 4 insider trading filing for Greenwich LifeSciences, Inc. (GLSI) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Pharmaceutical Preparations
- CIK
- 0001799788
- Filings
- 65
- Insiders
- 6
- Last filing
- 2026-07-29
Activity summary
No insider transactions in the last 30 days. The most recent was on July 29, 2026, when Snehal Patel bought 700 shares. 65 filings from 6 insiders are on record below.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Greenwich LifeSciences, Inc. insiders are net buyers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $2.6M.
90 day insight
Over the last 90 days, Greenwich LifeSciences, Inc. insiders bought $97K across 5 transactions with no open-market sales.
- Most active insider: Snehal Patel with 5 transactions totaling $97K.
- Largest single purchase: $33K by Snehal Patel on Jul 23, 2026.
Activity skews bullish — buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 29, 2026 | Snehal Patel | GLSI | Purchase | 700 | $13.10 | $9K |
| Jul 28, 2026 | Snehal Patel | GLSI | Purchase | 1,500 | $13.59 | $20K |
| Jul 27, 2026 | Snehal Patel | GLSI | Purchase | 1,500 | $13.62 | $20K |
| Jul 24, 2026 | Snehal Patel | GLSI | Purchase | 1,100 | $12.88 | $14K |
| Jul 23, 2026 | Snehal Patel | GLSI | Purchase | 2,500 | $13.14 | $33K |
45 more transactions hidden
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Query this yourself
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Greenwich LifeSciences, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →