# WINDTREE THERAPEUTICS INC /DE/ (WINTW) — divestiture/asset_sale [announced]
Source: SEC API (secapi.ai) · situation sit_0a7c9437433d99848f0f · retrieved 2026-08-11T16:16:33.357Z

## Overview
Windtree Therapeutics, Inc. is a diversified company with several divisions focused on becoming a revenue-generating company; it develops cardiovascular drug candidates for acute heart failure.

On December 16, 2025, Windtree Therapeutics, Inc. signed an Asset Purchase Agreement to sell its cardiovascular drug candidates to Seismic Pharmaceutical Operations, LLC (SPO). Under the agreement, Windtree receives a $150,000 closing date cash payment and retains the right to 20% of any future proceeds received by SPO, including global commercial net revenues in acute heart failure (AHF) if approved by regulatory authorities. Additionally, if SPO completes a financing round of at least $10,000,000, Windtree will receive a $700,000 contingent payment. Windtree also transfers certain cardiovascular development payables to SPO.

## Terms
- Counterparty: Seismic Pharmaceutical Operations, LLC · Deal value: $150,000 · Consideration: cash · Stake: 20%

## Key dates
- Announced 2026-07-21

## Timeline
- 2026-07-21 · 8-K (0001437749-26-024009): 8-K - WINDTREE THERAPEUTICS INC /DE/ — *Windtree Therapeutics, Inc. is a diversified company with several divisions focused on becoming a revenue-generating company; it develops cardiovascular drug candidates for acute heart failure.* On December 16, 2025, Windtree Therapeutics, Inc. signed an Asset Purchase Agreement to sell its cardiovascular drug candidates to Seismic Pharmaceutical Operations, LLC (SPO). Under the agreement, Windtree receives a $150,000 closing date cash payment and retains the right to 20% of any future proceeds received by SPO, including global commercial net revenues in acute heart failure (AHF) if approved by regulatory authorities. Additionally, if SPO completes a financing round of at least $10,000,000, Windtree will receive a $700,000 contingent payment. Windtree also transfers certain cardiovascular development payables to SPO.
  https://www.sec.gov/Archives/edgar/data/946486/0001437749-26-024009.txt

## Citations
- 0001437749-26-024009 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000143774926024009