OSTX
OS Therapies Incorporated
NYSE American · usd
OS Therapies Incorporated (OSTX) trades at $1.24 (-4.62%) as of 8:00:00 PM EDT on Oct 30, 2026, -22.98% over the past month. Market cap is $58.04M, with 2.9 days to cover in short interest.
Stock performance
How OS Therapies Incorporated (OSTX) stock has performed from one day to one year, with its 52-week range.
- 1D
- -4.62%
- 1W
- -0.80%
- 1M
- -22.98%
- YTD
- -11.43%
- 1Y
- -33.69%
- 52-wk range
- $1.15 – $2.25
Key statistics
Today's trading snapshot for OSTX: day range, open, previous close, volume and market cap.
- Day range
- $1.21 – $1.28
- Open
- $1.27
- Prev close
- $1.30
- Volume
- 321.73K
- Market cap
- $58.04M
- Shares out
- 4.59M
Valuation and profitability ratios: P/E, P/S, ROE
Valuation and profitability ratios for OS Therapies Incorporated: P/E, P/S, P/B, ROE and more.
- P/E
- —
- P/S
- —
- P/B
- -4.87
- P/FCF
- —
- ROE
- 330.4%
- ROA
- -397.8%
- Debt/Equity
- -0.01
- Div yield
- 0.00%
As of Oct 30, 2026
8-K filings
Material corporate events OS Therapies Incorporated has disclosed to the SEC on Form 8-K.
- Warrant or conversionOct 19, 2026
On October 15, 2026, the Company completed an initial Closing of the Inducement Offer, at which seven Holders exercised, or pre-funded the exercise of, Existing Warrants to purchase an aggregate of 5,517,253 shares of the Company's common stock and, in exchange, the Company issued to such Holders New Warrants to purchase up to an aggregate of 5,517,253 shares of the Company's common stock.
- Executive compensation changeOct 5, 2026
In connection with Mr. Clem's appointment as Chief Commercial Officer, the Company entered into an employment agreement with Mr. Clem setting forth the terms of his employment and initial compensation.
- Annual meeting resultsSep 9, 2026
The stockholders ratified the appointment of MaloneBailey, LLP as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2026, which required the affirmative vote of the majority of shares of stock present, in person or by proxy, and entitled to vote.
- Underwriting agreementAug 21, 2026
On August 21, 2026, OS Therapies Incorporated (the "Company") entered into an Open Market Sale Agreement℠ (the "Sales Agreement") with Jefferies LLC (the "Sales Agent"), pursuant to which the Company may offer and sell shares of its common stock from time to time through or to the Sales Agent in connection with the Company's "at the market offering" program (the "ATM Offering").
- Debt issuanceAug 12, 2026
senior secured convertible promissory notes in an aggregate subscription amount of up to $10,000,000... The Notes bear interest at a rate of 9.0% per annum... Each tranche of the Note matures on the date that is nine months following the applicable advance date.
OSTX short interest
How heavily OSTX is shorted: shares short, days to cover and average daily volume.
- Days to cover
- 2.9
- Short interest
- 2.82M
- Avg volume
- 963.53K
As of · reported to FINRA twice monthly.
OSTX news
The latest news and headlines about OS Therapies Incorporated (OSTX).
- The Patent Cliff is Coming, Driving Smart Money Towards Precision OncologypositiveGlobeNewswire Inc.· Mar 19, 2026
- Cancer Pipeline Milestones Coming Fast as Regulators Revisit Research PrioritiespositiveBenzinga· Jul 16, 2025
- The $900 Billion Question: Who Will Deliver the Next Cancer Breakthrough?positiveBenzinga· Jun 26, 2025
Frequently asked questions
What is the OS Therapies Incorporated (OSTX) stock price today?
OS Therapies Incorporated (OSTX) is trading at $1.24 (-4.62% on the day) as of 8:00:00 PM EDT on Oct 30, 2026. Prices are delayed at least 15 minutes; real-time quotes are available from the Massive API.
What is OS Therapies Incorporated?
OS Therapies Inc is a clinical stage biopharmaceutical company focused on the identification, development and commercialization of treatments for Osteosarcoma (OS) and other solid tumors.
What is the short interest in OSTX?
As of Oct 15, 2026, OSTX has 2.82M shares short and 2.9 days to cover.
What exchange is OSTX listed on?
OS Therapies Incorporated (OSTX) trades on NYSE American in USD, in the PHARMACEUTICAL PREPARATIONS industry.
Build with AI
Build an analysis of OSTX with your agent
Point Claude or ChatGPT at the Massive MCP server and recreate this page from live data.
Connect the Massive MCP server (API reference: massive.com/docs/llms.txt) and build a OSTX analysis: the latest quote, key ratios (P/E, P/S, ROE), short interest, recent insider activity and the latest news.
Nothing on this page is investment advice. All data and content is provided for informational purposes under our Terms of Service.