Deborah Kaster - 16 Dec 2025 Form 4 Insider Report for Adagio Medical Holdings, Inc. (ADGM)

Role: Chief Financial Officer
Signature: /s/ Deborah Kaster
Issuer symbol: ADGM
Transactions as of: 16 Dec 2025
Net transactions value: +$17,973
Form type: 4
Filing time: 18 Dec 2025, 06:00:11 UTC
Previous filing: 30 Sep 2025
Next filing: 09 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Kaster Deborah	Chief Financial Officer	C/O ADAGIO MEDICAL HOLDINGS, INC., 26051 MERIT CIRCLE, SUITE 102, LAGUNA HILLS	/s/ Deborah Kaster	18 Dec 2025	0002089223

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ADGM	Common Stock	Purchase	$17,973	+15,000		$1.20	15,000	16 Dec 2025	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Open market purchase.
F2	This transaction was executed in multiple trades at prices ranging from $1.11 to $1.20. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.