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OS THERAPIES INCORPORATED (OSTX)

Institutional ownership, SEC filings and insider activity

Sector: Healthcare & Pharma · SEC CIK 0001795091 · EDGAR filings · Updated 2026-07-24

OS THERAPIES INCORPORATED (OSTX) has reported institutional ownership of 7.3%, with 29 institutional managers holding positions valued at $4.09M per the latest 13F reporting period. SEC filings include an active substantial-doubt (going concern) disclosure per the filings.

Filings this week (4)

• 2026-07-24 — ARS filed
• 2026-07-24 — DEFA14A filed
• 2026-07-24 — Proxy statement (DEF 14A) filed
• 2026-07-23 — Initial insider ownership filed (Form 3)

Every filing links to the official SEC document. Real-time filing alerts for this company are available inside the app.

Latest updates

• 2026-07-16 — D filed
• 2026-07-07 — Amended current report (8-K/A) filed

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, OS THERAPIES INCORPORATED has 29 institutional holders and institutional ownership of 7.3%.

Insider activity

Insiders reported 3 transactions (0 buys, 3 sells) across 7 reporting insiders, with a net reported value of −$245.4K.

Data flags from SEC filings

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