---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-26-024009"
form_type: "8-K"
ticker: "WINT"
cik: "0000946486"
company_name: "WINDTREE THERAPEUTICS INC /DE/"
filed_at: "2026-07-21T21:50:13+00:00"
generated_at: "2026-07-22T10:05:58.337960+00:00"
event_type: "m_and_a"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Windtree sells cardiovascular drug candidates to Seismic for $150K upfront plus contingent payments

## Summary
- Windtree receives $150,000 upfront for its cardiovascular drug candidates, including acute heart failure program.
- Windtree is entitled to 20% of future licensing revenue and global commercial net revenue if approved.
- If Seismic raises at least $10M, Windtree receives an additional $700,000 payment.
- Windtree transfers certain development payables to Seismic as part of the agreement.
- The deal includes transfer of intellectual property and the Taiwanese subsidiary to Seismic.

## SEC filing metadata
- accession: 0001437749-26-024009
- form_type: 8-K
- ticker: WINT
- cik: 0000946486
- company_name: WINDTREE THERAPEUTICS INC /DE/
- filed_at: 2026-07-21T21:50:13+00:00
- event_type: m_and_a
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/946486/000143774926024009/0001437749-26-024009-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/946486/000143774926024009/wint20260721_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-26-024009
- JSON: https://secwatch.observer/filing/0001437749-26-024009.json
- Plain text: https://secwatch.observer/filing/0001437749-26-024009.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.