GLSI
Greenwich LifeSciences, Inc.
NASDAQ · Healthcare · Biotechnology · US
$18.99
+3.26%5
Insider buys (3m)
0
Insider sells (3m)
$97.0K
Net value (3m)
-21.3%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Jul 30, 2026 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 1,500 | $14 |
| Jul 30, 2026 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 700 | $13 |
| Jul 29, 2026 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 1,500 | $14 |
| Jul 27, 2026 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 2,500 | $13 |
| Jul 27, 2026 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 1,100 | $13 |
| Jan 15, 2026 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 1,800 | $30 |
| Jan 14, 2026 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 2,900 | $28 |
| Jan 5, 2026 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 4,300 | $21 |
| Jan 2, 2026 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 2,900 | $22 |
| Dec 19, 2025 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 4,100 | $13 |
| Nov 28, 2025 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 4,600 | $8.37 |
| Nov 17, 2025 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | A-Award | 100,000 | $8.20 |
| Nov 12, 2025 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 10,600 | $8.43 |
| Nov 4, 2025 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 2,300 | $9.26 |
| Apr 29, 2025 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 3,600 | $9.88 |
| Apr 22, 2025 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 5,400 | $8.98 |
| Apr 8, 2025 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 3,600 | $9.10 |
| Apr 7, 2025 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 5,500 | $8.73 |
| Jan 13, 2025 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 2,500 | $13 |
| Jan 8, 2025 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 1,100 | $13 |
| Jan 8, 2025 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 1,800 | $14 |
| Jan 7, 2025 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 3,400 | $13 |
| Jan 6, 2025 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 2,000 | $12 |
| Jan 3, 2025 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 2,400 | $11 |
| Jan 2, 2025 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | Purchase | 3,200 | $11 |
| Dec 27, 2024 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | A-Award | 1,148,723 | $12 |
| Dec 27, 2024 | Daugherty Frank Joseph · director, officer: Chief Medical Officer | A-Award | 104,890 | $12 |
| Dec 27, 2024 | Hallock Kenneth · director | A-Award | 41,349 | $12 |
| Dec 27, 2024 | Patel Snehal · director, 10 percent owner, officer: CEO and CFO | A-Award | 25,008 | $12 |
| Dec 27, 2024 | Rothe Eric · director | A-Award | 41,349 | $12 |
Institutional positioning
13F filings over the trailing two quarters
New 31Increased 41Reduced 29Sold out 11
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 485,854 | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 433,860 | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 298,266 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 278,190 | Aug 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 168,179 | Aug 12, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 155,466 | May 15, 2026 |
| STATE STREET CORP | Increased | 143,086 | Aug 7, 2026 |
| STATE STREET CORP | Increased | 133,875 | May 15, 2026 |
| NUVEEN, LLC | New Position | 88,717 | Apr 30, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 80,861 | Aug 13, 2026 |
| NORTHERN TRUST CORP | Increased | 80,228 | Aug 13, 2026 |
| NORTHERN TRUST CORP | Increased | 75,125 | May 14, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 58,911 | May 8, 2026 |
| Bank of New York Mellon Corp | Increased | 47,900 | Aug 6, 2026 |
| BANK OF NEW YORK MELLON CORP | Increased | 46,523 | May 5, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Jul 30, 2026