---
title: "OS Therapies Launches $75 Million ATM Program Under Sales Agreement With Jefferies"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/296652840.md"
description: "OS Therapies launched a $75 million at-the-market equity offering program via an Open Market Sale Agreement with Jefferies. Acting as sales agent, Jefferies receives a 3.0% commission on gross proceeds. Net proceeds will fund clinical trials, R&D, and strategic investments. The agreement allows OS Therapies to sell common stock periodically and may be suspended or terminated by either party upon notice."
datetime: "2026-08-21T20:53:01.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/296652840.md)
  - [en](https://longbridge.com/en/news/296652840.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/296652840.md)
generator: "portal-rs"
---

# OS Therapies Launches $75 Million ATM Program Under Sales Agreement With Jefferies

OS Therapies entered into an Open Market Sale Agreement with Jefferies to establish a $75 million at-the-market equity offering. The program allows OS Therapies to sell common stock from time to time, with Jefferies acting as sales agent for a 3.0% commission on gross proceeds. Net proceeds are expected to support clinical trials, research and development, and potential strategic investments. The agreement may be suspended or terminated by either party with notice.

**Agreement details:**

-   **Agreement type**: Open Market Sale Agreement for at-the-market equity offering
-   **Counterparty**: Jefferies
-   **Signed / Effective**: Aug 21 2026 / same
-   **Duration / Termination**: At will
-   **Reason**: Raise capital for clinical development, R&D, and strategic investments

Original SEC Filing: OS Therapies Inc \[ OSTX \] - 8-K - Aug. 21, 2026

**Disclaimer**

This is an AI-powered summary. It may contain inaccuracies. Consider verifying important information with the source. Please note this summary is solely based on documents filed with the SEC.

### Related Stocks

- [OSTX.US](https://longbridge.com/en/quote/OSTX.US.md)
- [JEF.US](https://longbridge.com/en/quote/JEF.US.md)

## Related News & Research

- [OS Therapies management to attend H.C. Wainwright Global Investment Conference](https://longbridge.com/en/news/297776547.md)
- [OS Therapies Provides OST-HER2 Metastatic Osteosarcoma Program Update and Announces Upcoming Conference Attendance | OSTX Stock News](https://longbridge.com/en/news/297777149.md)
- [Jefferies-linked fund has almost $500 million exposure to trader Radiant World, FT reports](https://longbridge.com/en/news/298093606.md)
- [Jefferies-linked fund has almost US$500 million exposure to trader Radiant World: report](https://longbridge.com/en/news/298123652.md)
- [Cambuci board member lifts stake by R$ 41,589.87 via open-market buys](https://longbridge.com/en/news/297930625.md)

---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**