---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-063450"
form_type: "8-K"
ticker: "ICU"
cik: "0001831868"
company_name: "SeaStar Medical Holding Corp"
filed_at: "2025-07-14T23:59:59+00:00"
generated_at: "2026-05-18T06:44:40.370722+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# SeaStar Medical raises ~$4M in registered direct offering plus warrants at $0.763/share

## Summary
- Registered direct offering of 5,242,464 shares (or equivalents) at $0.763 per share, plus unregistered warrants for equal number at $0.638.
- Gross proceeds ~$4.0M; net proceeds expected ~$3.6M after fees; expected to close July 11, 2025.
- H.C. Wainwright & Co. is exclusive placement agent, receiving 7.0% cash fee and warrants exercisable at $0.9538.
- Company agrees to 45-day lockup on equity issuance and 6-month ban on variable rate transactions post-closing.
- Net proceeds to be used for general corporate purposes including working capital and capital expenditures.

## SEC filing metadata
- accession: 0001213900-25-063450
- form_type: 8-K
- ticker: ICU
- cik: 0001831868
- company_name: SeaStar Medical Holding Corp
- filed_at: 2025-07-14T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 1.01, 3.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1831868/000121390025063450/0001213900-25-063450-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1831868/000121390025063450/ea0248640-8k_seastar.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-063450
- JSON: https://secwatch.observer/filing/0001213900-25-063450.json
- Plain text: https://secwatch.observer/filing/0001213900-25-063450.txt

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