OSTX — OS Therapies Inc
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2024-08-01.
Performance
Technicals
Others in Healthcare
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2025-05-07 | Einodmil LLC | Open-market sale | 82.0K | 2.00 | 164.0K |
| 2025-05-07 | Auerbach Shalom | Open-market sale | 82.0K | 2.00 | 164.0K |
| 2025-04-10 | Auerbach Shalom | Open-market sale | 10.0K | 1.39 | 13.9K |
| 2025-04-10 | Einodmil LLC | Open-market sale | 10.0K | 1.39 | 13.9K |
| 2025-04-09 | Auerbach Shalom | Open-market sale | 50.0K | 1.35 | 67.5K |
| 2025-04-09 | Einodmil LLC | Open-market sale | 50.0K | 1.35 | 67.5K |
| 2025-02-28 | Romness Paul A. President and CEO | Other Acquisition/Disposition | 225.0K | 0.00 | 0 |
| 2025-02-27 | Einodmil LLC | Other Acquisition/Disposition | 225.0K | 1.64 | 369.0K |
| 2025-02-27 | Auerbach Shalom | Other Acquisition/Disposition | 225.0K | 1.64 | 369.0K |
| 2025-02-14 | Auerbach Shalom | Open-market sale | 100.0K | 2.84 | 284.0K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 661.9K | 469.5K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 632.7K | 448.7K |
| CM Management, LLC | 564.0K | 400.0K |
| UBS Group AG | 491.6K | 348.7K |
| GEODE CAPITAL MANAGEMENT, LLC | 394.9K | 280.0K |
| HOWARD FINANCIAL SERVICES, LTD. | 346.1K | 245.4K |
| VANGUARD FIDUCIARY TRUST CO | 164.5K | 116.7K |
| STATE STREET CORP | 128.6K | 91.2K |
| NORTHERN TRUST CORP | 93.1K | 66.1K |
| BlackRock, Inc. | 91.3K | 64.8K |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 10-Q | 2026-08-14 | 2026-06-30 | on EDGAR ↗ |
| 8-K | 2026-08-12 | 2026-08-06 | on EDGAR ↗ |
| 8-K | 2026-08-06 | 2026-07-31 | on EDGAR ↗ |
| 424B5 | 2026-08-06 | — | on EDGAR ↗ |
| 8-K | 2026-07-29 | 2026-07-23 | on EDGAR ↗ |
| ARS | 2026-07-24 | 2025-12-31 | on EDGAR ↗ |
| DEFA14A | 2026-07-24 | — | on EDGAR ↗ |
| DEF 14A | 2026-07-24 | 2026-09-09 | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- Os Therapies Inc (OSTX) filed form 8-K · 2026-08-21 · SEC EDGAR
- OS Therapies GAAP EPS of -$0.20 misses by $0.03 · 2026-08-17
- OS Therapies Inc (OSTX) filed form 10-Q · 2026-08-14 · SEC EDGAR
- Os Therapies Inc (OSTX) filed form 8-K · 2026-08-12 · SEC EDGAR
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