OS Therapies Incorporated (OSTX)
NYSEAMERICAN: OSTX · Real-Time Price · USD
1.570
+0.060 (3.97%)
Mar 6, 2026, 4:00 PM EST - Market closed

Company Description

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.

OS Therapies Incorporated
OS Therapies logo
Country United States
Founded 2018
IPO Date Aug 1, 2024
Industry Biotechnology
Sector Healthcare
Employees 5
CEO Paul Romness

Contact Details

Address:
115 Pullman Crossing Road, Suite 103
Grasonville, Maryland 21638
United States
Phone 410 297 7793
Website ostherapies.com

Stock Details

Ticker Symbol OSTX
Exchange NYSEAMERICAN
Stock Type Common Stock
Fiscal Year January - December
Reporting Currency USD
IPO Price $4.00
CIK Code 0001795091
CUSIP Number 68764Y207
ISIN Number US68764Y2072
Employer ID 82-5118368
SIC Code 2834

Key Executives

Name Position
Paul A. Romness M.P.H. Founder, Chairman, President and Chief Executive Officer
Christopher P. Acevedo Chief Financial Officer
Dr. Robert G. Petit II, Ph.D. Chief Medical Officer and Chief Scientific Officer
Jack Doll Chief of Staff
Gerald E. Commissiong Chief Business Officer

Latest SEC Filings

Date Type Title
Mar 6, 2026 D Notice of Exempt Offering of Securities
Mar 6, 2026 8-K Current Report
Feb 13, 2026 8-K Current Report
Jan 20, 2026 D Notice of Exempt Offering of Securities
Jan 12, 2026 8-K Current Report
Nov 14, 2025 10-Q Quarterly Report
Oct 31, 2025 S-8 Securities to be offered to employees in employee benefit plans
Oct 21, 2025 8-K Current Report
Oct 17, 2025 DEFA14A Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Oct 17, 2025 8-K Current Report