Deborah Kaster - 06 Mar 2026 Form 4 Insider Report for Adagio Medical Holdings, Inc. (ADGM)

Role: Chief Financial Officer
Signature: /s/ Deborah Kaster
Issuer symbol: ADGM
Transactions as of: 06 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 09 Mar 2026, 06:04:31 UTC
Previous filing: 18 Dec 2025
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	09 Mar 2026	0002089223

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ADGM	Employee Stock Options (Right to Buy)	Award		+490,500		$0.000000^*	490,500	06 Mar 2026	Common Stock	490,500	$0.9770	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Employee Stock Options granted pursuant to Issuer's 2024 Equity Incentive Plan (the "Option"). The Option will vest over a four-year period, whereby twenty-five percent (25%) of the Option will vest on October 20, 2026, with the remaining shares subject to the Option vesting in thirty-six (36) equal monthly installments thereafter.