---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-049027"
form_type: "8-K"
ticker: "ICU"
cik: "0001831868"
company_name: "SeaStar Medical Holding Corp"
filed_at: "2023-09-20T23:59:59+00:00"
generated_at: "2026-06-10T12:24:22.061148+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# SeaStar Medical increases authorized common shares from 100M to 500M

## Summary
- Authorized common stock raised from 100M to 500M shares via charter amendment filed September 19, 2023.
- Stockholders approved the increase at a special meeting on September 6, 2023.
- Amendment filed with Delaware Secretary of State; effective as of September 19, 2023.
- Potential for significant dilution to existing shareholders as a result of the share increase.

## SEC filing metadata
- accession: 0000950170-23-049027
- form_type: 8-K
- ticker: ICU
- cik: 0001831868
- company_name: SeaStar Medical Holding Corp
- filed_at: 2023-09-20T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1831868/000095017023049027/0000950170-23-049027-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1831868/000095017023049027/icu-20230919.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-049027
- JSON: https://secwatch.observer/filing/0000950170-23-049027.json
- Plain text: https://secwatch.observer/filing/0000950170-23-049027.txt

## Key facts
- Governance Changes
  SeaStar Medical Holding Corp: Increased authorized common stock from 100,000,000 shares to 500,000,000 shares (effective 2023-09-19).
  - Change: charter amendment
  - Effective: 2023-09-19
  source text: On September 19, 2023, the Company filed with the Secretary of State of the State of Delaware a Certificate of Amendment to the Charter (the “Charter Amendment”) to effect the Authorized Shares Increase.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1831868/000095017023049027/0000950170-23-049027-index.htm

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