// company-profile
OS Therapies Inc
OSTXExchangeNYSESectorPharmaceutical PreparationsInc.DEFilings27Insiders10
// api This OS Therapies 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 OSTX in the last 90 days.
Institutional Ownership
Top 13F-HR holders of OS Therapies Inc as of 2026-03-31
Total reported AUM
$3.8M
QoQ change
+63.5%
Reporting period
2026-03-31
#1
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$661,948
469K shares
#2
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
$632,719
449K shares
#3
CM Management, LLC
CIK 1841857
$564,000
400K 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 22, 2026 | Galzahr Karim | OSTX | Award | 50,000 | $0.00 | $0K |
| Jan 22, 2026 | Ciccio John | OSTX | Award | 50,000 | $0.00 | $0K |
| Jan 22, 2026 | Acevedo Christopher P. | OSTX | Award | 100,000 | $0.00 | $0K |
| Jan 22, 2026 | Search Theodore F. | OSTX | Award | 50,000 | $0.00 | $0K |
| Jan 22, 2026 | PETIT ROBERT | OSTX | Award | 100,000 | $0.00 | $0K |
45 more transactions hidden
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