Live Watch: Fed Chair Powell speaks at the Economic Club of Chicago NYSE American - Nasdaq Real Time Price • USD OS Therapies Incorporated (OSTX) Follow Compare 1.5300 +0.0900 +(6.34%) As of 2:23:50 PM EDT. Market Open. All News Press Releases SEC Filings OS Therapies Announces Positive Data for OST-HER2 in the Treatment of Unresected Osteosarcoma in Dogs Opening the Potential for Use as Front-Line Therapy in Humans NEW YORK, April 10, 2025--OS Therapies (NYSE-A: OSTX) ("OS Therapies" or "the Company"), a clinical-stage immunotherapy and Antibody Drug Conjugate (ADC) biopharmaceutical company, today announced positive data in the prevention or delay of amputation during the treatment of primary osteosarcoma for OST-HER2 combined palliative radiation in dogs with unresected appendicular osteosarcoma. The treatment led to clinical and radiographic arrest of the primary tumor and prolonged time to metastasis i OS Therapies Completes Acquisition of Advaxis Immunotherapies Clinical, Pre-clinical and IP Assets from Ayala Pharmaceuticals NEW YORK, April 09, 2025--OS Therapies (NYSE-A: OSTX) ("OS Therapies" or "the Company"), a clinical-stage immunotherapy and Antibody Drug Conjugate (ADC) biopharmaceutical company, today announced that it has completed the acquisition of the listeria-based cancer immunotherapy assets of Advaxis Immunotherapies from Ayala Pharmaceuticals. The Company is now positioned as the world leader in listeria-based cancer immunotherapies, poised to become a new commercial category of immunotherapy in oncol OS Therapies Requests Meeting with FDA to Gain Agreement on Surrogate Endpoint(s) for Breakthrough Therapy Designation & Accelerated Approval of OST-HER2 in the Prevention of Recurrence of Fully Resected, Lung Metastatic Osteosarcoma NEW YORK, April 07, 2025--OS Therapies (NYSE-A: OSTX) ("OS Therapies" or "the Company"), a clinical-stage immunotherapy and Antibody Drug Conjugate (ADC) biopharmaceutical company, today announced that it has submitted a request for a formal meeting with the Center for Biologics Evaluation and Research (CBER) of the United States Food & Drug Administration (FDA) to gain alignment on the clinical endpoints required to support Breakthrough Therapy Designation (BTD) and Accelerated Approval via a c OS Therapies to Host Analyst Day at NYSE on April 7, 2025 NEW YORK, April 02, 2025--OS Therapies (NYSE-A: OSTX) ("OS Therapies" or "the Company"), a clinical-stage immunotherapy and Antibody Drug Conjugate (ADC) biopharmaceutical company, today announced that the Company will be hosting an Analyst Day at the New York Stock Exchange in Lower Manhattan that will start at 10am on Monday, April 7, 2025. OS Therapies Reports Full Year 2024 Financial Results and Provides Business Update NEW YORK, March 31, 2025--OS Therapies Inc. (NYSE-A: OSTX) ("OS Therapies" or "the Company"), a clinical-stage cancer immunotherapy and antibody drug conjugate biotechnology company, today reported full-year 2024 financial results ended December 31, 2024 and provided a business update. OS Therapies Provides Regulatory Update on Rare Pediatric Cancer Immunotherapy Candidate OST-HER2 for Human Osteosarcoma NEW YORK, March 31, 2025--OS Therapies (NYSE-A: OSTX) ("OS Therapies" or "the Company"), a clinical-stage immunotherapy and Antibody Drug Conjugate (ADC) biopharmaceutical company, today provided a regulatory update for its OST-HER2 listeria monocytogenes (Lm) immunotherapeutic cancer biologic drug candidate in the prevention or delay of fully-resected, recurrent, lung metastatic osteosarcoma. OS Therapies’ OST-HER2 Immunotherapy for Osteosarcoma Featured in Upcoming Movie Shelter Me: The Cancer Pioneers NEW YORK, March 25, 2025--OS Therapies (NYSE-A: OSTX) ("OS Therapies" or "the Company"), a clinical-stage immunotherapy and Antibody Drug Conjugate (ADC) biopharmaceutical company, today announced that OST-HER2 is featured in the upcoming movie Shelter Me: The Cancer Pioneers. The movie offers a look into canine comparative oncology, a field that compares treatment of cancers in dogs to those in people, and covers developing treatments for rare forms of cancer. OST-HER2 is an immunotherapy for o OS Therapies (OSTX): Among the Penny Stocks With Huge Upside Potential According to Analysts We recently published a list of 10 Penny Stocks With Huge Upside Potential According To Analysts. In this article, we are going to take a look at where OS Therapies Incorporated (NYSEAMERICAN:OSTX) stands against other penny stocks with the biggest upside potential. Penny stocks trade below $5 and attract investors looking for high returns with […] OS Therapies to Attend The Jones Healthcare and Technology Innovation Conference NEW YORK, March 21, 2025--OS Therapies (NYSE-A: OSTX) ("OS Therapies" or "the Company"), a clinical-stage immunotherapy and Antibody Drug Conjugate (ADC) biopharmaceutical company, today announced that Paul Romness, CEO, and Gerald Commissiong, CBO will be accepting meetings with registered investors at The Jones Healthcare and Technology Innovation Conference. The conference is being held on April 8-9, 2025 at the Venetian Resort in Las Vegas. The Company’s participation aligns with its priorit OS Therapies Awarded OST-HER2 Clinical Trial Data Presentation at MIB Agents FACTOR Osteosarcoma Conference NEW YORK, March 13, 2025--OS Therapies, Inc. (NYSE-A: OSTX), a clinical-stage biotechnology company advancing immunotherapies and targeted drug conjugates for cancer treatment, today announced that it has been awarded a presentation slot at the MIB Agents Factor Osteosarcoma Conference to be held June 26-28, 2025 in Salt Lake City, Utah. Key data will be presented from the Company’s Phase 2b clinical trial of OST-HER2 in the prevention of recurrent, fully resected, lung metastatic osteosarcoma. OS Therapies Schedules United Kingdom’s Medicines and Healthcare products Regulatory Agency's (MHRA) Scientific Advice Meeting in the Third Quarter of 2025 for Review of its OST-HER2 Immunotherapy Candidate for Osteosarcoma NEW YORK, March 11, 2025--OS Therapies, Inc. (NYSE-A: OSTX), a clinical-stage biotechnology company advancing immunotherapies and targeted drug conjugates for cancer treatment, today announced that it has scheduled a Scientific Advice Meeting (SAM) in the third quarter of 2025 to discuss the Innovative Licensing and Access Pathway (ILAP) with the United Kingdom’s (UK) Medicines and Healthcare products Regulatory Agency (MHRA) for OST-HER2, its immunotherapy candidate for the prevention of recurr Calidi Biotherapeutics and OS Therapies Interviews to Air on the RedChip Small Stocks, Big Money(TM) Show on Bloomberg TV ORLANDO, FLORIDA / ACCESS Newswire / February 28, 2025 / RedChip Companies will air interviews with Calidi Biotherapeutics, Inc. (NYSE American:CLDI) and OS Therapies Inc. (NYSE American:OSTX) on the RedChip Small Stocks, Big Money™ show, a sponsored ... Join OS Therapies’ Exclusive Live Investor Webinar and Q&A Session on February 27 NEW YORK, February 26, 2025--OS Therapies (NYSE American: OSTX) ("OS Therapies" or "the Company"), a clinical-stage immunotherapy and Antibody Drug Conjugate biopharmaceutical company, is pleased to invite investors to a webinar on February 27, 2025, at 4:15 p.m. ET. OS Therapies Forms Subsidiary OS Drug Conjugates and Initiates Review of Strategic Options for its tunable ADC & Drug Conjugates Platforms NEW YORK, February 24, 2025--OS Therapies, Inc. (NYSE-A: OSTX), a clinical-stage biotechnology company advancing immunotherapies and targeted drug conjugates for cancer treatment, announced the formation of subsidiary OS Drug Conjugates (OSDC). The formation of OSDC coincides with formal strategic options initiatives to create value from the Company’s leading-edge, patented silicone dioxide-based, pH sensitive tunable antibody drug conjugates (tADC) & other tunable drug conjugates (tDC) platform OS Therapies Receives Patent Notice of Allowance from U.S. Patent & Trademark Office Covering Commercial Manufacturing of OST-HER2 NEW YORK, February 20, 2025--OS Therapies, Inc. (NYSE-A: OSTX), a clinical-stage biotechnology company advancing immunotherapies and targeted drug conjugates for cancer treatment, today announced that it received a Notice of Allowance from the United States Patent & Trademark Office (USPTO) that a patent will be issued covering the manufacturing methods required for the OST-HER2 commercial product. The USPTO granted a Patent Term Adjustment of 572 days, providing market exclusivity for the OST-H Small-Cap OS Therapies Inks Commercial Manufacture Agreements For Lead Cancer Drug For Rare Type Of Bone Cancer On Friday, OS Therapies, Inc. (NYSE-A: OSTX) entered into agreements for the commercial manufacture of OST-HER2. The company is currently organizing additional data about the recently completed treatment phase of its Phase 2b trial of OST-HER2 to prevent recurrence of lung metastatic osteosarcoma in preparation for a Type B or Type C FDA. Following the FDA meeting, the company anticipates submitting a Biologics Licensing Authorization (BLA) application to the FDA for accelerated or conditional a OS Therapies Initiates Commercial-ready Manufacturing of OST-HER2 to Support Anticipated Biologics Licensing Authorization (BLA) Filing NEW YORK, February 14, 2025--OS Therapies, Inc. (NYSE-A: OSTX), a clinical-stage biotechnology company advancing immunotherapies and targeted drug conjugates for cancer treatment, today announced that it has entered into agreements for the commercial manufacture of OST-HER2. The Company is currently organizing additional data in relation to the recently-completed treatment phase of its Phase 2b trial of OST-HER2 in the prevention of recurrence of lung metastatic osteosarcoma in preparation for a OS Therapies Provides Corporate Update NEW YORK, February 04, 2025--OS Therapies, Inc. (NYSE-A: OSTX), a clinical-stage biotechnology company advancing immunotherapies and targeted drug conjugates for cancer treatment, today provided a corporate update to the marketplace to contextualize recent positive clinical data, corporate and financial developments. RedChip Launches RedChat: Revolutionary AI Chatbot for Small-Cap Stock Analysis RedChip Companies, an industry leader in investor relations, media, and research for microcap and small-cap companies, today announced the beta launch of RedChat, an advanced AI chatbot designed to empower investors with instant, in-depth insights ... OS Therapies to acquire listeria programs from Ayala Pharmaceuticals OS Therapies (OSTX) announced it has entered into an asset purchase agreement to acquire the listeria monocytogenes-based immuno-oncology programs and related intellectual property assets from Ayala Pharmaceuticals (ADXS). The assets being acquired include a Phase 2 lung cancer and Phase1 prostate cancer program, in addition to the gaining direct ownership of the underlying IP related to OS Therapies’ lead asset OST-HER2 for osteosarcoma and other HER2-related indications. OS Therapies anticipat Performance Overview Trailing total returns as of 4/16/2025, which may include dividends or other distributions. Benchmark is S&P 500 (^GSPC) Return OSTX S&P 500 (^GSPC) YTD -64.25% -10.15% 1-Year -61.75% +4.62% 3-Year -61.75% +20.31%