// company-profile
Greenwich LifeSciences, Inc.
GLSIExchangeNasdaqSectorPharmaceutical PreparationsInc.DEFilings62Insiders6
// api This Greenwich LifeSciences, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
No insider activity recorded for GLSI in the last 90 days.
Institutional Ownership
Top 13F-HR holders of Greenwich LifeSciences, Inc. as of 2026-03-31
Total reported AUM
$38.3M
QoQ change
+96.9%
Reporting period
2026-03-31
#1
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$7.2M
298K shares
#2
BlackRock, Inc.
CIK 2012383
$5.4M
226K shares
#3
BlackRock, Inc.
CIK 2012383
$4.0M
166K shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jan 13, 2026 | Patel Snehal | GLSI | Purchase | 1,800 | $29.83 | $54K |
| Jan 12, 2026 | Patel Snehal | GLSI | Purchase | 2,900 | $27.54 | $80K |
| Dec 31, 2025 | Patel Snehal | GLSI | Purchase | 4,300 | $21.36 | $92K |
| Dec 30, 2025 | Patel Snehal | GLSI | Purchase | 2,900 | $21.73 | $63K |
| Dec 18, 2025 | Patel Snehal | GLSI | Purchase | 4,100 | $12.62 | $52K |
45 more transactions hidden
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