---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-038701"
form_type: "8-K/A"
ticker: "ICU"
cik: "0001831868"
company_name: "SeaStar Medical Holding Corp"
filed_at: "2025-12-23T23:59:59+00:00"
generated_at: "2026-05-16T12:17:26.946730+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# SeaStar Medical moves reverse stock split effective date to Jan 5, 2026

## Summary
- 1-for-10 reverse stock split effective 12:01 AM ET on January 5, 2026.
- Common stock will trade on Nasdaq post-split under symbol ICU starting Jan 5.
- Post-split shares outstanding approximately 3.8 million.
- Objective: regain compliance with Nasdaq $1 minimum bid price requirement.
- Stockholders' shares automatically adjusted; no fractional shares issued.

## SEC filing metadata
- accession: 0001437749-25-038701
- form_type: 8-K/A
- ticker: ICU
- cik: 0001831868
- company_name: SeaStar Medical Holding Corp
- filed_at: 2025-12-23T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 3.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1831868/000143774925038701/0001437749-25-038701-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1831868/000143774925038701/icu20251223_8ka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-038701
- JSON: https://secwatch.observer/filing/0001437749-25-038701.json
- Plain text: https://secwatch.observer/filing/0001437749-25-038701.txt

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