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OS Therapies Raises $7.2 Million in Initial Warrant Inducement Closing

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OSTX$1.32 −6.38%

OS Therapies Inc. (OSTX) completed the initial closing of a warrant exercise inducement and exchange offer, bringing in approximately $7.2 million in gross proceeds. Seven accredited investors exercised or pre-funded existing warrants for 5.52 million common shares at a reduced price of $1.30 per share. Participating investors also received new warrants to buy up to 5.52 million additional shares at an exercise price of $1.40 per share.

The biotechnology firm plans to use the fresh capital to advance regulatory filings and commercial preparation for its lead immunotherapy candidate, Herlystic, which targets metastatic osteosarcoma. Additionally, OS Therapies Inc. has accrued $7 million in refundable research and development tax credits through its United Kingdom subsidiary, expecting receipt in early 2027 following submission in the fourth quarter of 2026.

Looking ahead, OS Therapies Inc. intends to submit regulatory applications for Herlystic in the United States, United Kingdom, European Union, and Australia during the fourth quarter of 2026. Approval by the U.S. Food and Drug Administration could make the company eligible for a Priority Review Voucher, which it plans to sell to generate further liquidity. The warrant exchange offer remains open until October 30, 2026.

Key points

  • OS Therapies raised $7.2 million in gross proceeds through the initial closing of a warrant inducement offer involving seven accredited investors.
  • Investors exercised or pre-funded warrants for 5.52 million shares at $1.30 per share and received matching new warrants exercisable at $1.40 per share.
  • The company also expects to receive $7 million in refundable United Kingdom research and development tax credits in early 2027.
  • Proceeds will fund commercial preparation and planned fourth-quarter 2026 regulatory submissions for Herlystic across four global jurisdictions.

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Questions and answers

How much money did OS Therapies raise in its warrant exercise offer?

OS Therapies raised approximately $7.2 million in gross proceeds from seven investors during the initial closing of its warrant exercise inducement offer.

What will OS Therapies use the capital for?

The company plans to use net proceeds to support regulatory submissions and commercial preparation for Herlystic, as well as general corporate needs.

When does OS Therapies plan to submit regulatory filings for Herlystic?

OS Therapies aims to file for regulatory authorizations in the United States, United Kingdom, European Union, and Australia in the fourth quarter of 2026.