Mirion Technologies, Inc. SEC filings MIR
Mirion Technologies, Inc. has 534 filings in SEC EDGAR's recent list, going back to Apr 20, 2020. Its latest annual report, Form ARS, was filed on Apr 1, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 28, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 27, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Sep 30, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Sep 30, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Sep 2, 2026 |
| 4 | Insider transaction | Jun 30, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 8, 2026 | May 7, 2026 |
| 144 | Notice of proposed sale | May 7, 2026 | — |
| 4 | Insider transaction | May 7, 2026 | May 6, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| 4 | Insider transaction | Apr 2, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 1, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 1, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 1, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 1, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 1, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 21, 2026 | — |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Dec 29, 2025 | Dec 27, 2025 |
| 4 | Insider transaction | Dec 29, 2025 | Dec 27, 2025 |
| 4 | Insider transaction | Dec 29, 2025 | Dec 27, 2025 |
| 4 | Insider transaction | Dec 29, 2025 | Dec 27, 2025 |
| 4 | Insider transaction | Dec 12, 2025 | Dec 8, 2025 |
| 4 | Insider transaction | Dec 12, 2025 | Dec 11, 2025 |
| 4 | Insider transaction | Dec 12, 2025 | Dec 10, 2025 |
| 144 | Notice of proposed sale | Dec 10, 2025 | — |
| 4 | Insider transaction | Dec 9, 2025 | Dec 5, 2025 |
| 4 | Insider transaction | Nov 25, 2025 | Nov 24, 2025 |
| 4 | Insider transaction | Nov 21, 2025 | Nov 21, 2025 |
| 144 | Notice of proposed sale | Nov 21, 2025 | — |
| 4 | Insider transaction | Nov 12, 2025 | Nov 11, 2025 |
| 4 | Insider transaction | Nov 12, 2025 | Nov 10, 2025 |
| 144 | Notice of proposed sale | Nov 10, 2025 | — |
| 4 | Insider transaction | Nov 10, 2025 | Nov 6, 2025 |
| 144 | Notice of proposed sale | Nov 6, 2025 | — |
| 4 | Insider transaction | Nov 3, 2025 | Oct 30, 2025 |
| 4 | Insider transaction | Nov 3, 2025 | Oct 30, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 31, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 2, 2025 | — |
| 4 | Insider transaction | Oct 1, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Aug 13, 2025 | Aug 11, 2025 |
| 144 | Notice of proposed sale | Aug 11, 2025 | — |
| 4 | Insider transaction | Aug 6, 2025 | Aug 5, 2025 |
| 144 | Notice of proposed sale | Aug 5, 2025 | — |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jun 27, 2025 | Jun 25, 2025 |
| 144 | Notice of proposed sale | Jun 25, 2025 | — |
| 4 | Insider transaction | May 23, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 23, 2025 | May 21, 2025 |
| 144 | Notice of proposed sale | May 21, 2025 | — |
| 144 | Notice of proposed sale | May 21, 2025 | — |
| 144 | Notice of proposed sale | May 21, 2025 | — |
| 4/A | Form 4/a | May 16, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 14, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 14, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 14, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 15, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 1, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 1, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 1, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 1, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 1, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 1, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 1, 2025 |
| 4 | Insider transaction | Feb 27, 2025 | Feb 25, 2025 |
| 4 | Insider transaction | Feb 27, 2025 | Feb 25, 2025 |
| 144 | Notice of proposed sale | Jan 23, 2025 | — |
| 4 | Insider transaction | Jan 2, 2025 | Sep 30, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Sep 30, 2024 |
| 4 | Insider transaction | Dec 31, 2024 | Dec 27, 2024 |
| 4 | Insider transaction | Dec 31, 2024 | Dec 27, 2024 |
| 4 | Insider transaction | Dec 31, 2024 | Dec 27, 2024 |
| 4 | Insider transaction | Dec 31, 2024 | Dec 27, 2024 |
| 144 | Notice of proposed sale | Dec 23, 2024 | — |
| 4 | Insider transaction | Dec 19, 2024 | Dec 17, 2024 |
| 4 | Insider transaction | Dec 19, 2024 | Dec 17, 2024 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Dec 18, 2024 | — |
| 4 | Insider transaction | Dec 17, 2024 | Dec 13, 2024 |
| 4 | Insider transaction | Dec 17, 2024 | Dec 13, 2024 |
| 144/A | Filing | Nov 26, 2024 | — |
| 144 | Notice of proposed sale | Nov 25, 2024 | — |
| 4 | Insider transaction | Nov 14, 2024 | Nov 12, 2024 |
| 4 | Insider transaction | Nov 14, 2024 | Nov 12, 2024 |
| 4 | Insider transaction | Nov 14, 2024 | Nov 12, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 13, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 6, 2024 | — |
| 4 | Insider transaction | Nov 6, 2024 | Nov 4, 2024 |
| 4 | Insider transaction | Nov 4, 2024 | Oct 31, 2024 |
| 4 | Insider transaction | Oct 28, 2024 | Oct 24, 2024 |
| 144 | Notice of proposed sale | Oct 24, 2024 | — |
| 4 | Insider transaction | Sep 26, 2024 | Sep 24, 2024 |
| 4 | Insider transaction | Sep 26, 2024 | Sep 24, 2024 |
| 144 | Notice of proposed sale | Sep 25, 2024 | — |
| 144 | Notice of proposed sale | Sep 24, 2024 | — |
| 4 | Insider transaction | Aug 30, 2024 | Aug 28, 2024 |
| 4 | Insider transaction | Aug 27, 2024 | Aug 23, 2024 |
| 144 | Notice of proposed sale | Aug 23, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Aug 12, 2024 | — |
| 4 | Insider transaction | Aug 7, 2024 | Aug 6, 2024 |
| 144 | Notice of proposed sale | Aug 6, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Aug 1, 2024 | — |
| 4 | Insider transaction | Jul 26, 2024 | Jul 24, 2024 |
| 4 | Insider transaction | Jul 26, 2024 | Jul 24, 2024 |
| 144 | Notice of proposed sale | Jul 24, 2024 | — |
| 4 | Insider transaction | Jul 2, 2024 | Jun 28, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 28, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 28, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 28, 2024 |
| 4 | Insider transaction | Jun 27, 2024 | Jun 26, 2024 |
| 144 | Notice of proposed sale | Jun 25, 2024 | — |
| 4 | Insider transaction | Jun 25, 2024 | Jun 24, 2024 |
| 144 | Notice of proposed sale | Jun 24, 2024 | — |
| 144 | Notice of proposed sale | Jun 13, 2024 | — |
| 4 | Insider transaction | Jun 13, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 10, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 6, 2024 | Jun 4, 2024 |
| 144 | Notice of proposed sale | Jun 6, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 6, 2024 | — |
| 4 | Insider transaction | Jun 4, 2024 | Jun 4, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 4, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 4, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 4, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 4, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 4, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 4, 2024 |
| 4 | Insider transaction | May 30, 2024 | May 28, 2024 |
| 144 | Notice of proposed sale | May 28, 2024 | — |
| 4 | Insider transaction | Apr 3, 2024 | Apr 1, 2024 |
| 4 | Insider transaction | Apr 3, 2024 | Apr 1, 2024 |
| 4 | Insider transaction | Apr 3, 2024 | Apr 1, 2024 |
| 4 | Insider transaction | Apr 3, 2024 | Apr 1, 2024 |
| 4 | Insider transaction | Apr 3, 2024 | Apr 1, 2024 |
| 4 | Insider transaction | Apr 1, 2024 | Mar 28, 2024 |
| 4 | Insider transaction | Apr 1, 2024 | Mar 28, 2024 |
| 4 | Insider transaction | Apr 1, 2024 | Mar 28, 2024 |
| 4 | Insider transaction | Apr 1, 2024 | Mar 28, 2024 |
| 4 | Insider transaction | Mar 21, 2024 | Mar 20, 2024 |
| 144 | Notice of proposed sale | Mar 20, 2024 | — |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 3 | Initial insider ownership | Mar 5, 2024 | Feb 28, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 3 | Initial insider ownership | Mar 5, 2024 | Feb 28, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Jan 26, 2024 | — |
| 4 | Insider transaction | Jan 3, 2024 | Dec 29, 2023 |
| 4 | Insider transaction | Jan 3, 2024 | Dec 29, 2023 |
| 4 | Insider transaction | Jan 3, 2024 | Dec 29, 2023 |
| 4 | Insider transaction | Jan 3, 2024 | Dec 29, 2023 |
| 4 | Insider transaction | Dec 28, 2023 | Dec 27, 2023 |
| 4 | Insider transaction | Dec 28, 2023 | Dec 27, 2023 |
| 4 | Insider transaction | Nov 3, 2023 | Nov 1, 2023 |
| 4 | Insider transaction | Oct 2, 2023 | Sep 29, 2023 |
| 4 | Insider transaction | Oct 2, 2023 | Sep 29, 2023 |
| 4 | Insider transaction | Oct 2, 2023 | Sep 29, 2023 |
| 4 | Insider transaction | Oct 2, 2023 | Sep 29, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 7, 2023 | — |
| 4 | Insider transaction | Jul 5, 2023 | Jun 30, 2023 |
| 4 | Insider transaction | Jul 5, 2023 | Jun 30, 2023 |
| 4 | Insider transaction | Jul 5, 2023 | Jun 30, 2023 |
| 4 | Insider transaction | Jul 5, 2023 | Jun 30, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 20, 2023 |
| 4 | Insider transaction | Jun 8, 2023 | Jun 6, 2023 |
| 4 | Insider transaction | Jun 7, 2023 | Jun 6, 2023 |
| 4 | Insider transaction | Jun 7, 2023 | Jun 6, 2023 |
| 4 | Insider transaction | Jun 7, 2023 | Jun 6, 2023 |
| 4 | Insider transaction | Jun 7, 2023 | Jun 6, 2023 |
| 4 | Insider transaction | Jun 7, 2023 | Jun 6, 2023 |
Showing 200 filings, the most recent 200. 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Measuring & Controlling Devices, NEC (SIC 3829)
- Listed as
- MIR (NYSE)
- Fiscal year ends
- December 31
- Headquarters
- Atlanta, GA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1809987
- Former names
- GS Acquisition Holdings Corp II (until Oct 19, 2021)
Other Measuring & Controlling Devices, NEC companies
- Thermo Fisher Scientific Inc. TMO
- Rockwell Automation, Inc ROK
- Trimble Inc. TRMB
- Onto Innovation Inc. ONTO
- Quantum-Si Inc QSI
- Owlet, Inc. OWLT
- Geospace Technologies Corp GEOS
- Birchtech Corp. BCHT
Source: SEC EDGAR filings. This is company-reported data, not investment advice.