Adagio Medical Holdings, Inc. SEC filings ADGM
Adagio Medical Holdings, Inc. has 234 filings in SEC EDGAR's recent list, going back to Feb 14, 2024. Its latest annual report, Form ARS, was filed on Apr 30, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 11, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (bylaw or fiscal year change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 13, 2026 | Sep 27, 2024 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| 4 | Insider transaction | Aug 12, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Jun 16, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 28, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 13, 2026 | — |
| 4 | Insider transaction | Mar 9, 2026 | Mar 6, 2026 |
| 4 | Insider transaction | Mar 9, 2026 | Mar 6, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 11, 2026 | — |
| 4 | Insider transaction | Dec 18, 2025 | Dec 16, 2025 |
| 4 | Insider transaction | Dec 15, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 11, 2025 | Dec 11, 2025 |
| 3 | Initial insider ownership | Dec 11, 2025 | Dec 11, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 13, 2025 | — |
| 4 | Insider transaction | Oct 22, 2025 | Oct 20, 2025 |
| 3 | Initial insider ownership | Sep 30, 2025 | Sep 5, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 26, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 12, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| 3 | Initial insider ownership | Apr 28, 2025 | Apr 17, 2025 |
| 4 | Insider transaction | Mar 21, 2025 | Mar 20, 2025 |
| 4 | Insider transaction | Mar 21, 2025 | Mar 20, 2025 |
| 4 | Insider transaction | Mar 21, 2025 | Mar 20, 2025 |
| 4 | Insider transaction | Mar 21, 2025 | Mar 20, 2025 |
| 4 | Insider transaction | Mar 21, 2025 | Mar 20, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| 4 | Insider transaction | Feb 14, 2025 | Jan 22, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| 4 | Insider transaction | Feb 13, 2025 | Feb 11, 2025 |
| 3 | Initial insider ownership | Dec 20, 2024 | Dec 13, 2024 |
| SC 13G | Ownership over 5% (passive) | Nov 13, 2024 | — |
| 4 | Insider transaction | Oct 1, 2024 | Sep 27, 2024 |
| SC 13G | Ownership over 5% (passive) | Aug 12, 2024 | — |
| 4 | Insider transaction | Aug 2, 2024 | Jul 31, 2024 |
| 4 | Insider transaction | Aug 2, 2024 | Jul 31, 2024 |
| 4 | Insider transaction | Aug 2, 2024 | Jul 31, 2024 |
| 3 | Initial insider ownership | Aug 1, 2024 | Jul 31, 2024 |
| 3 | Initial insider ownership | Aug 1, 2024 | Jul 31, 2024 |
| 3 | Initial insider ownership | Aug 1, 2024 | Jul 31, 2024 |
| 3 | Initial insider ownership | Aug 1, 2024 | Jul 31, 2024 |
| 3 | Initial insider ownership | Aug 1, 2024 | Jul 31, 2024 |
| 3 | Initial insider ownership | Aug 1, 2024 | Jul 31, 2024 |
| 3 | Initial insider ownership | Aug 1, 2024 | Jul 31, 2024 |
| 3 | Initial insider ownership | Aug 1, 2024 | Jul 31, 2024 |
| 3 | Initial insider ownership | Aug 1, 2024 | Jul 31, 2024 |
| 3 | Initial insider ownership | Aug 1, 2024 | Jul 31, 2024 |
| 3 | Initial insider ownership | Aug 1, 2024 | Jul 31, 2024 |
Showing 56 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Surgical & Medical Instruments & Apparatus (SIC 3841)
- Listed as
- ADGM (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Laguna Hills, CA
- SEC filer status
- , Emerging growth company
- SEC CIK
- 2006986
- Former names
- Aja Holdco, Inc. (until Aug 1, 2024)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.