---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-101408"
form_type: "8-K"
ticker: "ICU"
cik: "0001831868"
company_name: "SeaStar Medical Holding Corp"
filed_at: "2025-08-01T23:59:59+00:00"
generated_at: "2026-05-17T21:54:47.038253+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# SeaStar Medical raises $4.4M in registered direct offering and private placement of warrants

## Summary
- Sold 4,960,544 shares at $0.887 per share, plus unregistered warrants for same number at $0.762.
- Gross proceeds ~$4.4M; net proceeds after fees ~$3.9M.
- H.C. Wainwright acted as exclusive placement agent; fees include 7% cash and warrants.
- Warrants exercisable immediately for 5 years; shares offered via effective S-3 shelf.
- Use of proceeds: general corporate purposes, working capital, capex.

## SEC filing metadata
- accession: 0000950170-25-101408
- form_type: 8-K
- ticker: ICU
- cik: 0001831868
- company_name: SeaStar Medical Holding Corp
- filed_at: 2025-08-01T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 3.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1831868/000095017025101408/0000950170-25-101408-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1831868/000095017025101408/icu-20250801.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-101408
- JSON: https://secwatch.observer/filing/0000950170-25-101408.json
- Plain text: https://secwatch.observer/filing/0000950170-25-101408.txt

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