As of September 09, 2026, Adagio Medical Holdings's top three insider holders are Todd Usen (Chief Executive Officer, 207.31K shares), Todd Usen (Chief Executive Officer, 207.31K shares), Deborah Kaster (Chief Financial Officer, 15.00K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Todd Usen | Chief Executive Officer | 207,315 | 0 | 207,315 | 90.2% | 15 Dec, 2025 |
| 2 | Deborah Kaster | Chief Financial Officer | 15,000 | 0 | 15,000 | 6.5% | 18 Dec, 2025 |
| 3 | Hakon Bergheim | Chief Operating Officer | 7,539 | 0 | 7,539 | 3.3% | 02 Aug, 2024 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 16 Jun, 2026 | Orly Mishan | Director | Acquired A | 100,000 | $0.00 | $0 | 100,000 | Direct |
| 16 Jun, 2026 | Timothy P. Moran | Director | Acquired A | 30,000 | $0.00 | $0 | 30,000 | Direct |
| 16 Jun, 2026 | Keyvan Mirsaeedi-Farahani | Director | Acquired A | 30,000 | $0.00 | $0 | 30,000 | Direct |
| 16 Jun, 2026 | Sean Salmon | Director | Acquired A | 30,000 | $0.00 | $0 | 30,000 | Direct |
| 06 Mar, 2026 | Deborah Kaster | Chief Financial Officer | Acquired A | 490,500 | $0.00 | $0 | 490,500 | Direct |
| 06 Mar, 2026 | Todd Usen | Chief Executive Officer | Acquired A | 800,000 | $0.00 | $0 | 800,000 | Direct |
| 06 Mar, 2026 | Todd Usen | Chief Executive Officer | Acquired A | 800,000 | $0.00 | $0 | 800,000 | Direct |
| 06 Mar, 2026 | Deborah Kaster | Chief Financial Officer | Acquired A | 490,500 | $0.00 | $0 | 490,500 | Direct |
| 06 Mar, 2026 | Deborah Kaster | Chief Financial Officer | Acquired A | 490,500 | $0.00 | $0 | 490,500 | Direct |
| 06 Mar, 2026 | Todd Usen | Chief Executive Officer | Acquired A | 800,000 | $0.00 | $0 | 800,000 | Direct |
| 06 Mar, 2026 | Deborah Kaster | Chief Financial Officer | Acquired A | 490,500 | $0.00 | $0 | 490,500 | Direct |
| 06 Mar, 2026 | Todd Usen | Chief Executive Officer | Acquired A | 800,000 | $0.00 | $0 | 800,000 | Direct |
| 16 Dec, 2025 | Deborah Kaster | Chief Financial Officer | Acquired P | 15,000 | $1.20 | $17.97K | 15,000 | Direct |
| 16 Dec, 2025 | Deborah Kaster | Chief Financial Officer | Acquired P | 15,000 | $1.20 | $17.97K | 15,000 | Direct |
| 16 Dec, 2025 | Deborah Kaster | Chief Financial Officer | Acquired P | 15,000 | $1.20 | $17.97K | 15,000 | Direct |
| 16 Dec, 2025 | Deborah Kaster | Chief Financial Officer | Acquired P | 15,000 | $1.20 | $17.97K | 15,000 | Direct |
| 12 Dec, 2025 | Todd Usen | Chief Executive Officer | Acquired P | 207,315 | $1.09 | $225.97K | 207,315 | Direct |
| 12 Dec, 2025 | Todd Usen | Chief Executive Officer | Acquired P | 207,315 | $1.09 | $225.97K | 207,315 | Direct |
| 12 Dec, 2025 | Todd Usen | Chief Executive Officer | Acquired P | 207,315 | $1.09 | $225.97K | 207,315 | Direct |
| 12 Dec, 2025 | Todd Usen | Chief Executive Officer | Acquired P | 207,315 | $1.09 | $225.97K | 207,315 | Direct |