
OS Therapies Incorporated
OSTXHealthcare|Biotechnology|US
$1.00
+0.02 (+2.03%)
Cash / Share
$0.00
About
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 (ADC) silicone dioxide linker 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 Grasonville, Maryland.
Stock Price
-45.1%(1Y)
1M
-38.3%
3M
-37.5%
6M
-39.8%
YTD
-28.6%
1Y
-48.5%
3Y
-60.2%
5Y
-60.2%
Pipeline Summary
0 total trials0
Phase 1
0
Phase 2
0
Phase 3
0
Phase 4
Key Facts
Market Cap$46.8M
Employees4 (+0% YoY)
CEOPaul A. Romness
IPO DateAug 1, 2024
Beta-0.64
52-Week Range$0.5799 – $2.25
Avg Volume638,909
ExchangeAMEX
Websiteostherapies.com
Ownership
Float57.0%
Shares Outstanding46.8M
Recent Insider Trades
PETIT ROBERTAWARD
Oct 22, 2026200,000 shares @ $1.25
McKean-Dieser Avril SuzetteAWARD
Oct 22, 2026300,000 shares @ $1.25
Romness Paul A.AWARD
Oct 22, 2026900,000 shares @ $1.25
Search Theodore F.AWARD
Oct 22, 2026300,000 shares @ $1.25
Ciccio JohnAWARD
Oct 22, 2026300,000 shares @ $1.25
Peers
Recent News
OS Therapies Completes Requalification of Phase 2b Herlystic (OST-HER2) Drug Substance for Confirmatory Phase 3 Trial
Nov 5, 2026 · newsfilecorp.com
OS Therapies Announces Initial Closing of Warrant Exercise Inducement and Exchange Offer for Initial Gross Proceeds of Approximately $7.2 Million
Oct 19, 2026 · newsfilecorp.com
Rubenstein Public Relations Named Agency of Record for OS Therapies
Oct 8, 2026 · globenewswire.com
OS Animal Health Receives USDA Feedback on Regulatory Pathway for OST-HER2 in Canine Osteosarcoma
Oct 7, 2026 · newsfilecorp.com
OS Therapies Reports Significant Three-Year Survival Data for Bone Cancer Treatment
Oct 6, 2026 · benzinga.com
Data last updated: Nov 9, 2026, 04:27 AM