OS Therapies logo

OS Therapies

OSTX | AMEX
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$1.74
-$0.03 (-1.69%)
At close: Sep 21, 2026, 4:00 PM ET
$1.78
+$0.04 (+2.29%)
Pre-market: Sep 22, 2026, 9:03 AM ET

Company Profile

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.

Key Executives

Name Position
Paul A. Romness Founder, Chairman, President & Chief Executive Officer
Christopher Acevedo Chief Financial Officer
Craig Eagle Chief Medical Advisor, Member of Strategic Advisory Board & Director
Gerald E. Commissiong Chief Business Officer
Jack Doll Chief of Staff
Robert G. Petit Chief Medical Officer & Chief Scientific Officer

Latest SEC Filings

Date Type Title
Aug 25, 2026 D Filing
Aug 21, 2026 8-K Current Report
Aug 21, 2026 424B5 Filing
Aug 14, 2026 10-Q Quarterly Report
Aug 12, 2026 8-K Current Report
Aug 06, 2026 8-K Current Report
Aug 06, 2026 424B5 Filing
Jul 29, 2026 8-K Current Report
Jul 24, 2026 ARS Filing
Jul 24, 2026 DEFA14A Filing
View All SEC Filings
OS Therapies
OS Therapies logo
Country United States
IPO Date Jul 31, 2024
Industry Biotechnology
Sector Healthcare
Employees 5
CEO Paul A. Romness

Contact Details

115 Pullman Crossing Road Grasonville, Maryland 21638 United States

Stock Details

Ticker Symbol OSTX
Exchange AMEX
Fiscal Year January - December
Reporting Currency USD
CIK Code 0001795091
CUSIP Number 68764Y207
ISIN Number US68764Y2072
SIC Code 2834

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