InsiderTrades.com logo

OSTX Insider Trading

Insider Ownership Percentage: 10.30%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $231,516.20

OS Therapies Insider Trading History Chart

This chart shows the insider buying and selling history at OS Therapies by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

OS Therapies Share Price & Price History

Current Price: $1.48
Price Change: ▲ Price Increase of +0.005 (0.34%)
As of 03/5/2026 02:39 PM ET

This chart shows the closing price history over time for OSTX up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

OS Therapies Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
5/7/2025Shalom AuerbachMajor ShareholderSell82,000$2.00$164,000.002,664,199View SEC Filing Icon  
4/9/2025Shalom AuerbachMajor ShareholderSell50,012$1.35$67,516.202,756,199View SEC Filing Icon  
2/14/2025Shalom AuerbachMajor ShareholderSell100,000$2.84$284,000.002,431,211View SEC Filing Icon  
1/15/2025Shalom AuerbachMajor ShareholderSell16,720$6.74$112,692.802,531,211View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for OS Therapies (NYSEAMERICAN:OSTX)

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at OSTX by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

OS Therapies Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
2/18/2026Millennium Management LLC30,785$43K0.0%-67.1%0.087%Search for SEC Filing on Google Icon
2/13/2026Marshall Wace LLP109,949$0.15M0.0%-44.6%0.312%Search for SEC Filing on Google Icon
2/13/2026State Street Corp58,500$82K0.0%+16.3%0.166%Search for SEC Filing on Google Icon
2/12/2026Jane Street Group LLC27,740$39K0.0%N/A0.079%Search for SEC Filing on Google Icon
2/9/2026Geode Capital Management LLC246,038$0.34M0.0%+31.1%0.699%Search for SEC Filing on Google Icon
11/17/2025Susquehanna International Group LLP14,961$29K0.0%N/A0.047%Search for SEC Filing on Google Icon
11/17/2025Mercer Global Advisors Inc. ADV20,440$40K0.0%N/A0.065%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC93,574$0.18M0.0%N/A0.296%Search for SEC Filing on Google Icon
11/14/2025Virtu Financial LLC75,801$0.15M0.0%+252.0%0.239%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP86,247$0.17M0.0%N/A0.273%Search for SEC Filing on Google Icon
11/13/2025CM Management LLC400,000$0.78M0.6%+6.7%1.264%Search for SEC Filing on Google Icon
11/6/2025Ground Swell Capital LLC20,462$40K0.1%N/A0.065%Search for SEC Filing on Google Icon
8/15/2025Bridgeway Capital Management LLC25,000$47K0.0%N/A0.089%Search for SEC Filing on Google Icon
8/12/2025XTX Topco Ltd33,489$63K0.0%N/A0.119%Search for SEC Filing on Google Icon
5/9/2025CM Management LLC300,000$0.46M0.5%+172.6%1.385%Search for SEC Filing on Google Icon
2/17/2025Millennium Management LLC29,836$0.13M0.0%-50.6%0.136%Search for SEC Filing on Google Icon
2/7/2025CM Management LLC110,044$0.47M0.4%+120.1%0.511%Search for SEC Filing on Google Icon
11/20/2024Virtu Financial LLC10,045$28K0.0%N/A0.047%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
OS Therapies logo
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 on OS Therapies

Today's Range

Now: $1.48
Low: $1.47
High: $1.51

50 Day Range

MA: $1.39
Low: $1.16
High: $1.55

52 Week Range

Now: $1.48
Low: $1.12
High: $2.57

Volume

121,527 shs

Average Volume

559,946 shs

Market Capitalization

$51.93 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

N/A

Who are the company insiders with the largest holdings of OS Therapies?

OS Therapies' top insider shareholders include:
  1. Shalom Auerbach (Major Shareholder)
Learn More about top insider investors at OS Therapies.

Who are the major institutional investors of OS Therapies?

OS Therapies' top institutional shareholders include:
  1. Geode Capital Management LLC — 0.70%
  2. Marshall Wace LLP — 0.31%
  3. State Street Corp — 0.17%
  4. Millennium Management LLC — 0.09%
  5. Jane Street Group LLC — 0.08%
Learn More about top institutional investors of OS Therapies stock.

Which major investors are selling OS Therapies stock?

In the last quarter, OSTX stock was sold by these institutional investors:
  1. Marshall Wace LLP
  2. Millennium Management LLC

Which major investors are buying OS Therapies stock?

Within the previous quarter, OSTX stock was acquired by institutional investors including:
  1. Geode Capital Management LLC
  2. Jane Street Group LLC
  3. State Street Corp