# EDGAR Filing Document

**Accession Number:** 0002006986
**File Stem:** 9999999995-26-001077
**Filing Date:** 2026-4
**Character Count:** 1505
**Document Hash:** 712dc00b824bd5ef1ccaa5ff59fb610f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-26-001077.hdr.sgml**: 20260406

**ACCESSION NUMBER**: 9999999995-26-001077

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260403

**DATE AS OF CHANGE**: 20260406

**EFFECTIVENESS DATE**: 20260403

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Adagio Medical Holdings, Inc.
- **CENTRAL INDEX KEY:** 0002006986
- **STANDARD INDUSTRIAL CLASSIFICATION:** SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-284263
- **FILM NUMBER:** 26839460

**BUSINESS ADDRESS:**
- **STREET 1:** 26051 MERIT CIRCLE
- **STREET 2:** SUITE 102
- **CITY:** LAGUNA HILLS
- **STATE:** CA
- **ZIP:** 92653
- **BUSINESS PHONE:** (949) 348-1188

**MAIL ADDRESS:**
- **STREET 1:** 26051 MERIT CIRCLE
- **STREET 2:** SUITE 102
- **CITY:** LAGUNA HILLS
- **STATE:** CA
- **ZIP:** 92653

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Aja Holdco, Inc.
- **DATE OF NAME CHANGE:** 20240104

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

## Notice of Effectiveness

**Date:** April 3, 2026

**Accession Number:** 0001104659-26-039208

**Form Type:** POS AM

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**CIK:** 0002006986

**Company Name:** Adagio Medical Holdings, Inc.

**File Number:** 333-284263