# EDGAR Filing Document

**Accession Number:** 0001831868
**File Stem:** 9999999995-26-001489
**Filing Date:** 2026-5
**Character Count:** 1504
**Document Hash:** 65c20769e9d2adac9d3075baab7632a8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-26-001489.hdr.sgml**: 20260506

**ACCESSION NUMBER**: 9999999995-26-001489

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260505

**DATE AS OF CHANGE**: 20260506

**EFFECTIVENESS DATE**: 20260505

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SeaStar Medical Holding Corp
- **CENTRAL INDEX KEY:** 0001831868
- **STANDARD INDUSTRIAL CLASSIFICATION:** SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 853681132
- **STATE OF INCORPORATION:** CO
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-288065
- **FILM NUMBER:** 26945570

**BUSINESS ADDRESS:**
- **STREET 1:** 3513 BRIGHTON BLVD
- **STREET 2:** SUITE 410
- **CITY:** DENVER
- **STATE:** CO
- **ZIP:** 80216
- **BUSINESS PHONE:** 844-427-8100

**MAIL ADDRESS:**
- **STREET 1:** 3513 BRIGHTON BLVD
- **STREET 2:** SUITE 410
- **CITY:** DENVER
- **STATE:** CO
- **ZIP:** 80216

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** LMF Acquisition Opportunities Inc
- **DATE OF NAME CHANGE:** 20201109

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** May 5, 2026

**Accession Number:** 0001213900-26-048678

**Form Type:** POS AM

---

**CIK:** 0001831868

**Company Name:** SeaStar Medical Holding Corp

**File Number:** 333-288065