---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-020048"
form_type: "8-K"
ticker: "WINT"
cik: "0000946486"
company_name: "WINDTREE THERAPEUTICS INC /DE/"
filed_at: "2025-06-11T23:59:59+00:00"
generated_at: "2026-05-19T14:56:18.160348+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Windtree raises $3.9M via convertible notes; signs non-binding LOIs for Varian asset sale and Titan acquisition

## Summary
- Raised $3.1M from DFU convertible note and $800K from other investors; proceeds to retire Titan debt and fund operations.
- Issued $6.6M senior note to Standard Waste Services, maturing Jan 2026 or upon Titan acquisition; $1.99M OID.
- Signed non-binding LOI to acquire Titan for $35M in preferred stock plus $1.75M bridge loans; break-up fee $8M.
- Signed non-binding LOI to sell Varian assets for up to $7M cash/shares plus milestones/royalties; options for $5M.
- Received lease default notice for $159,800; also default on Aubrey Agreement risking $1.4M deposit.

## SEC filing metadata
- accession: 0001437749-25-020048
- form_type: 8-K
- ticker: WINT
- cik: 0000946486
- company_name: WINDTREE THERAPEUTICS INC /DE/
- filed_at: 2025-06-11T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/946486/000143774925020048/0001437749-25-020048-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/946486/000143774925020048/wint20250611_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-020048
- JSON: https://secwatch.observer/filing/0001437749-25-020048.json
- Plain text: https://secwatch.observer/filing/0001437749-25-020048.txt

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