OS Therapies (OSTX) Insider Trading & Ownership $2.10 -0.12 (-5.41%) Closing price 09/3/2025 04:00 PM EasternExtended Trading$2.10 0.00 (0.00%) As of 09/3/2025 07:58 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsHeadlinesInsider TradesOwnershipSEC FilingsTrendsBuy This Stock OS Therapies (NYSE:OSTX) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage10.30%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)1Amount OfInsider Selling(Last 12 Months)$628.21K Get OSTX Insider Trade Alerts Want to know when executives and insiders are buying or selling OS Therapies stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. 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OSTX Insider Buying and Selling by Quarter OS Therapies Insider and Congressional Trades History Insiders and Members of Congress Insiders Only Members of Congress Only Transaction Type Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 2 Years 3 Years Time Frame Start Date End Date Export to Excel Transaction DateNameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails5/7/2025Shalom AuerbachMajor ShareholderSell82,000$2.00$164,000.00 4/9/2025Shalom AuerbachMajor ShareholderSell50,012$1.35$67,516.20 2/14/2025Shalom AuerbachMajor ShareholderSell100,000$2.84$284,000.00 1/15/2025Shalom AuerbachMajor ShareholderSell16,720$6.74$112,692.80 (Data available from 1/1/2013 forward) OSTX Insider Trading Activity - Frequently Asked Questions Who is on OS Therapies' Insider Roster? The list of insiders at OS Therapies includes Shalom Auerbach. Learn more on insiders at OSTX. What percentage of OS Therapies stock is owned by insiders? 10.30% of OS Therapies stock is owned by insiders. Learn more on OSTX's insider holdings. Which OS Therapies insiders have been selling company stock? The following insider sold OSTX shares in the last 24 months: Shalom Auerbach ($628,209.00). How much insider selling is happening at OS Therapies? Insiders have sold a total of 248,732 OS Therapies shares in the last 24 months for a total of $628,209.00 sold. OS Therapies Key ExecutivesMr. Paul A. Romness M.P.H. (Age 58)Founder, President, CEO & Director Compensation: $360kDr. Robert G. Petit Ph.D. (Age 64)Chief Medical Officer & Chief Scientific Officer Compensation: $300kMr. Christopher P. Acevedo (Age 61)Chief Financial Officer Mr. Jack DollChief of StaffMr. Gerald E. 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Insiders Pile Into These 3 Healthcare Stocks This page (NYSE:OSTX) was last updated on 9/4/2025 by MarketBeat.com Staff From Our PartnersCrypto Income (almost instantly)How would you like to collect a small percentage of the $4 billion changing hands daily in the crypto market? ...Awesomely, LLC | SponsoredRetire Comfortably with These New Monthly Income ETFs?Too many retirees lie awake at night, worried their savings won’t last. Traditional advice and tiny returns ju...Investors Alley | SponsoredWhat's the Best Way to Lower RMD Taxes?Turning 73 triggers a key IRS rule: you must begin taking required minimum distributions (RMDs) from certain r...SmartAsset | SponsoredTrump set to Boost Social Security Checks by 400%?If you're collecting or planning to collect social security... You should see this presentation about Presi...InvestorPlace | SponsoredThe End of Elon Musk…?The End of Elon Musk? Don't make him laugh. 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