Sandra A. Gardiner - 16 Jun 2026 Form 4 Insider Report for Adagio Medical Holdings, Inc. (ADGM)

Reporting relationship: Director
Issuer ticker: ADGM
Reported as of: 16 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 12 Aug 2026, 13:40:40 UTC
Prior SEC filing: 21 Mar 2025
Source filing: View source filing
Reporting owner signature: /s/ Deborah Kaster, Attorney-in-Fact

Key filing fact

Sandra A. Gardiner filed Form 4 for Adagio Medical Holdings, Inc. (ADGM) on 12 Aug 2026.

Key facts

This page summarizes Sandra A. Gardiner's Form 4 filing for Adagio Medical Holdings, Inc. (ADGM).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 12 Aug 2026, 13:40.

Change

Previous filing in this sequence was filed on 21 Mar 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001218574 Primary reporting owner

GARDINER SANDRA A.

Relationship: Director
Address: C/O ADAGIO MEDICAL HOLDINGS, INC., 26051 MERIT CIRCLE, SUITE 102, LAGUNA HILLS
Signature: /s/ Deborah Kaster, Attorney-in-Fact
Signature date: 12 Aug 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ADGM transaction Derivative

Non-qualified stock option (right to buy)

Award

Transaction value
Shares: +30,000
Change %
Price: $0.000000^*
Shares after: 30,000
Date: 16 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 30,000
Exercise price: $0.7103
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Annual stock option granted under the Issuer's Non-Employee Director Compensation Policy and the Issuer's 2024 Equity Incentive Plan (the "Option"). The Option will vest in equal monthly installments over a one-year period, whereby 1/12th of shares underlying the Option shall vest in equal monthly installments at the conclusion of each month of continuous service after the vesting commencement date of 06/16/2026.