secwatch.observer — SEC 8-K summary ====================================== Issuer: OS Therapies Inc (OSTX) CIK: 0001795091 Form: 8-K Filed at: 2026-03-31T23:59:59+00:00 Accession: 0001213900-26-037476 Event type: other Sentiment: neutral Materiality: 0.20 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 OS Therapies files prospectus supplement for resale of up to 10.5M shares by selling stockholders -------------------------------------------------------------------------------- - Filed prospectus supplement covering resale of up to 10,529,417 shares of common stock by selling stockholders. - Shares registered under existing S-3 shelf effective August 12, 2025. - No new shares issued; proceeds go to selling stockholders, not the company. - Legal opinion of Olshan Frome Wolosky LLP on share legality attached as Exhibit 5.1. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1795091/000121390026037476/0001213900-26-037476-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1795091/000121390026037476/ea0283924-8k_ostherapies.htm HTML page: https://secwatch.observer/filing/0001213900-26-037476 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer