NYSE:OSTX OS Therapies (OSTX) Stock Price, News & Analysis $2.39 +0.13 (+5.75%) Closing price 08/29/2025 04:00 PM EasternExtended Trading$2.33 -0.06 (-2.55%) As of 08/29/2025 08:00 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 Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsHeadlinesInsider TradesOwnershipSEC FilingsTrendsBuy This Stock About OS Therapies Stock (NYSE:OSTX) 30 days 90 days 365 days Advanced Chart View Price History Chart DataSkip Price History Chart Get OS Therapies alerts:Sign Up Key Stats Today's Range$2.20▼$2.4050-Day Range$1.56▼$2.5052-Week Range$1.12▼$7.00Volume444,948 shsAverage Volume740,776 shsMarket Capitalization$75.63 millionP/E RatioN/ADividend YieldN/APrice Target$18.00Consensus RatingBuy Company Overview OS Therapies Incorporated, a clinical stage biopharmaceutical company, focuses on the identification, development, and commercialization of treatments for osteosarcoma and other solid tumors in the United States. Its pipeline includes OST-HER2, an off-the-shelf immunotherapy for osteosarcoma patients; and OST-tunable drug conjugate (OST-tADC), an antibody-drug conjugate technology, with a plug-and-play platform that features tunable pH sensitive silicone linkers. OS Therapies Incorporated was incorporated in 2018 and is based in Rockville, Maryland. Read More OS Therapies Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks43rd Percentile Overall ScoreOSTX MarketRank™: OS Therapies scored higher than 43% of companies evaluated by MarketBeat, and ranked 674th out of 940 stocks in the medical sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion3.6 / 5Analyst RatingBuy Consensus RatingOS Therapies has received a consensus rating of Buy. The company's average rating score is 3.25, and is based on 3 buy ratings, no hold ratings, and no sell ratings.Amount of Analyst CoverageOS Therapies has only been the subject of 1 research reports in the past 90 days.Read more about OS Therapies' stock forecast and price target. Earnings and Valuation0.6 / 5Proj. Earnings GrowthGrowing Earnings GrowthEarnings for OS Therapies are expected to grow in the coming year, from ($0.64) to ($0.22) per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of OS Therapies is -3.03, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Earnings Ratio vs. SectorThe P/E ratio of OS Therapies is -3.03, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings. Short InterestN/AShort Interest LevelN/A Short InterestThere is no current short interest data available for OSTX. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldOS Therapies does not currently pay a dividend.Dividend GrowthOS Therapies does not have a long track record of dividend growth. Sustainability and ESGN/AEnvironmental ScoreN/A Short InterestThere is no current short interest data available for OSTX. News and Social Media2.5 / 5News Sentiment0.42 News SentimentOS Therapies has a news sentiment score of 0.42. This score is calculated as an average of sentiment of articles about the company over the last seven days and ranges from 2 (good news) to -2 (bad news). This is a lower news sentiment than the 1.11 average news sentiment score of Medical companies.News Coverage This WeekMarketBeat has tracked 4 news articles for OS Therapies this week, compared to 2 articles on an average week.Search Interest22 people have searched for OSTX on MarketBeat in the last 30 days. This is an increase of 22% compared to the previous 30 days.MarketBeat FollowsOnly 9 people have added OS Therapies to their MarketBeat watchlist in the last 30 days. This is a decrease of -31% compared to the previous 30 days. Company Ownership0.8 / 5Insider TradingN/A Insider Buying vs. Insider SellingIn the past three months, OS Therapies insiders have not sold or bought any company stock.Percentage Held by Insiders13.80% of the stock of OS Therapies is held by insiders. A high percentage of insider ownership can be a sign of company health.Read more about OS Therapies' insider trading history. Receive OSTX Stock News and Ratings via Email Sign-up to receive the latest news and ratings for OS Therapies and its competitors with MarketBeat's FREE daily newsletter. 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OSTX Stock News HeadlinesOS Therapies Ends Equity Agreement with Square GateAugust 26, 2025 | tipranks.comOS Therapies Reports Progress in Osteosarcoma TreatmentAugust 25, 2025 | tipranks.com“Sell Nvidia before earnings”Eric Fry just went live with one of his most controversial calls yet: “Sell Nvidia.” While Wall Street has been chasing the AI giant, Eric says its biggest customers are now its biggest competitors — and that could spell trouble ahead. Instead, he’s urging investors to consider a little-known hardware company that’s already starting to take off. In fact, while Nvidia has slipped over the past 30 days, this “off-the-radar” stock is up 18% — and Eric believes the run is just beginning.September 1 at 2:00 AM | InvestorPlace (Ad)OS Therapies Inc Reports Q2 2025 Earnings: Net Loss Per Share at $0.19, Revenue Details UnavailableAugust 19, 2025 | gurufocus.comEarnings Outlook For OS TherapiesAugust 18, 2025 | benzinga.comOS Therapies Updates Quorum Rules for Shareholder MeetingsAugust 15, 2025 | tipranks.comOS Therapies Delays Q2 2025 Financial ReportAugust 15, 2025 | tipranks.comOS Therapies Announces Statistically Significant Positive Interim 2-Year Overall Survival Data from Phase 2b Clinical Trial of OST-HER2 in the Prevention or Delay of Recurrent ...August 9, 2025 | finance.yahoo.comSee More Headlines OSTX Stock Analysis - Frequently Asked Questions How have OSTX shares performed this year? OS Therapies' stock was trading at $4.28 at the start of the year. Since then, OSTX stock has decreased by 44.2% and is now trading at $2.39. When did OS Therapies IPO? OS Therapies (OSTX) raised $8 million in an IPO on Thursday, August 1st 2024. The company issued 2,000,000 shares at $4.00 per share. Brookline Capital Markets (Division of Arcadia Securities LLC) served as the underwriter for the IPO. Who are OS Therapies' major shareholders? Top institutional shareholders of OS Therapies include XTX Topco Ltd (0.12%) and Bridgeway Capital Management LLC (0.09%). View institutional ownership trends. How do I buy shares of OS Therapies? Shares of OSTX stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. What other stocks do shareholders of OS Therapies own? Based on aggregate information from My MarketBeat watchlists, some other companies that OS Therapies investors own include AST SpaceMobile (ASTS), Energy Transfer (ET), Black Stone Minerals (BSM), Kinder Morgan (KMI), Main Street Capital (MAIN), Atlas Energy Solutions (AESI) and Chevron (CVX). Company Calendar Today9/01/2025Fiscal Year End12/31/2025Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNYSE SectorMedical Industry Pharmaceutical preparations Sub-IndustryPharmaceutical Products Current SymbolNYSE:OSTX Previous SymbolNYSE:OSTX CIK1795091 WebN/A Phone(410) 297-7793FaxN/AEmployeesN/AYear FoundedN/APrice Target and Rating Average Price Target for OS Therapies$18.00 High Price Target$20.00 Low Price Target$15.00 Potential Upside/Downside+653.1%Consensus RatingBuy Rating Score (0-4)3.25 Research Coverage4 Analysts Profitability EPS (Trailing Twelve Months)($0.79) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$7.79 million Net MarginsN/A Pretax MarginN/A Return on EquityN/A Return on Assets-569.57% Debt Debt-to-Equity RatioN/A Current Ratio0.76 Quick Ratio0.76 Sales & Book Value Annual SalesN/A Price / SalesN/A Cash FlowN/A Price / Cash FlowN/A Book ValueN/A Price / BookN/AMiscellaneous Outstanding Shares31,645,000Free FloatN/AMarket Cap$75.63 million OptionableN/A BetaN/A Social Links The 10 Best AI Stocks to Own in 2025Wondering where to start (or end) with AI stocks? 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