---
title: "Windtree Sells Cardiovascular Assets to Seismic; Keeps 20% Upside, $700k on $10M Financing"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/293454507.md"
description: "Windtree Therapeutics sold its cardiovascular drug candidates to Seismic Pharmaceutical Operations via an asset purchase agreement. Windtree retains a 20% share of future proceeds and will receive $700,000 if Seismic secures at least $10 million in financing. Development payables transfer to Seismic, allowing Windtree to monetize assets and shift risk."
datetime: "2026-07-22T10:03:00.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/293454507.md)
  - [en](https://longbridge.com/en/news/293454507.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/293454507.md)
generator: "portal-rs"
---

# Windtree Sells Cardiovascular Assets to Seismic; Keeps 20% Upside, $700k on $10M Financing

Windtree Therapeutics entered into an Asset Purchase Agreement to sell its cardiovascular drug candidates to Seismic Pharmaceutical Operations. Windtree will receive 20% of any future proceeds generated by Seismic, including potential global commercial net revenue in acute heart failure if approved. Windtree will also receive $700,000 if Seismic completes a financing of at least $10 million to fund development. As part of the deal, certain development payables related to the cardiovascular candidates will transfer to Seismic.

**Agreement details:**

-   **Agreement type**: Asset purchase agreement for cardiovascular drug candidates
-   **Counterparty**: Seismic Pharmaceutical Operations
-   **Signed / Effective**: Dec 16 2025 / same
-   **Duration / Termination**: N/A
-   **Reason**: Monetize assets and shift development risk and liabilities

Original SEC Filing: WINDTREE THERAPEUTICS INC /DE/ \[ WINT \] - 8-K - Jul. 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.

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