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OSTX 8-K: SEC filing

Filed with the SEC on · accession 0001213900-26-118773

OSTX filed a 8-K (current report) with the SEC on Nov 12, 2026. OS Therapies' UK subsidiary received a £678,715.46 (~$900,000) VAT refund from HMRC, which the company will use to fund clinical development of its lead candidate OST-HER2.

Summary of the filing

OS Therapies' UK subsidiary received a £678,715.46 (~$900,000) VAT refund from HMRC, which the company will use to fund clinical development of its lead candidate OST-HER2. Separately, the FDA announced suspension of its CNPV priority voucher program, but OST-HER2 remains eligible for the separate rare pediatric disease PRV program.

For details, click here →How to read a 8-K →

Key details

VAT refund received from HMRCGBP 679K
Approximate USD equivalent of VAT refund$900K
RegistrantOS Therapies Incorporated
Wholly owned subsidiary that received the vat refundOS Therapies UK Ltd.
U.k. tax authority that issued the vat refundHM Revenue and Customs (HMRC)
Regulator that suspended the cnpv programU.S. Food and Drug Administration (FDA)
President and chief executive officerPaul A. Romness, MPH

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Frequently asked questions

What did OSTX file with the SEC on Nov 12, 2026?

OSTX filed a 8-K (SEC filing). OS Therapies' UK subsidiary received a £678,715.46 (~$900,000) VAT refund from HMRC, which the company will use to fund clinical development of its lead candidate OST-HER2. Separately, the FDA announced suspension of its CNPV priority voucher program, but OST-HER2 remains eligible for the separate rare pediatric disease PRV program.

How do I read a 8-K?

A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more. The "Item" number tells you the topic (e.g. 2.02 results, 5.02 executive change, 1.01 new agreement, 1.03 bankruptcy). Exhibits (99.1 press release) usually hold the details.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 8-K (current report): A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more.

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