As of March 23, 2026, Mirion Technologies's top three insider holders are General Partners (Ix) Ltd Charterhouse (Other, 14.96Mn shares), Michael Freed (Chief Operating Officer, 935.82K shares), Brian Schopfer (Chief Financial Officer, 920.67K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| General Partners (Ix) Ltd Charterhouse | 0 | 14,960,702 | 08 Mar, 2023 | |
| Michael Freed | Chief Operating Officer | 935,818 | 0 | 22 Oct, 2021 |
| Brian Schopfer | Chief Financial Officer | 920,667 | 0 | 03 Mar, 2026 |
| Michael J Rossi | Medical Group President | 116,173 | 0 | 03 Nov, 2023 |
| Loic Eloy | Nuclear Safety President | 113,347 | 0 | 03 Mar, 2026 |
| Emmanuelle Lee | Chief Legal Officer | 87,111 | 0 | 03 Mar, 2026 |
| Jody Markopoulos | 74,126 | 0 | 01 Jul, 2025 | |
| Kenneth Bockhorst | 69,875 | 0 | 12 Dec, 2025 | |
| Sheila Rege | 42,494 | 0 | 16 May, 2025 | |
| Alison Ulrich | Chief Human Resources Officer | 38,288 | 0 | 03 Mar, 2026 |
| Christopher A. Moore | Chief Accounting Officer (Pao) | 32,460 | 0 | 03 Mar, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 02 Mar, 2026 | Loic Eloy | Class A Common Stock | A | 15,577 | $0.00 | 113,347 | D | A |
| 01 Mar, 2026 | Brian Schopfer | Class A Common Stock | D | 9,172 | $21.61 | 884,260 | D | F |
| 01 Mar, 2026 | Christopher A. Moore | Class A Common Stock | A | 5,552 | $0.00 | 33,857 | D | A |
| 01 Mar, 2026 | Alison Ulrich | Class A Common Stock | A | 5,552 | $0.00 | 40,648 | D | A |
| 01 Mar, 2026 | Emmanuelle Lee | Class A Common Stock | A | 11,568 | $0.00 | 90,295 | D | A |
| 01 Mar, 2026 | Emmanuelle Lee | Class A Common Stock | D | 3,184 | $21.61 | 87,111 | D | F |
| 01 Mar, 2026 | Christopher A. Moore | Class A Common Stock | D | 1,397 | $21.61 | 32,460 | D | F |
| 01 Mar, 2026 | Alison Ulrich | Class A Common Stock | D | 2,360 | $21.61 | 38,288 | D | F |
| 02 Mar, 2026 | Brian Schopfer | Class A Common Stock | A | 64,906 | $0.00 | 949,166 | D | A |
| 02 Mar, 2026 | Brian Schopfer | Class A Common Stock | D | 28,499 | $21.61 | 920,667 | D | F |
| 27 Dec, 2025 | Alison Ulrich | Class A Common Stock | D | 134 | $23.76 | 35,096 | D | F |
| 27 Dec, 2025 | Emmanuelle Lee | Class A Common Stock | D | 5,913 | $23.76 | 78,727 | D | F |
| 27 Dec, 2025 | Brian Schopfer | Class A Common Stock | D | 8,500 | $23.76 | 893,432 | D | F |
| 08 Dec, 2025 | Kenneth Bockhorst | Class A Common Stock | D | 9,680 | $0.00 | 69,875 | D | G |
| 05 Dec, 2025 | Brian Schopfer | Class A Common Stock | D | 2,400 | $0.00 | 902,032 | D | G |
| 08 Dec, 2025 | Brian Schopfer | Class A Common Stock | D | 100 | $0.00 | 901,932 | D | G |
| 10 Nov, 2025 | Emmanuelle Lee | Class A Common Stock | D | 12,500 | $27.41 | 84,640 | D | S |
| 11 Nov, 2025 | Loic Eloy | Class A Common Stock | D | 45,000 | $27.24 | 97,770 | D | S |
| 06 Nov, 2025 | Brian Schopfer | Class A Common Stock | A | 100,000 | - | 1,004,432 | D | A |
| 06 Nov, 2025 | Brian Schopfer | Class B Common Stock | D | 100,000 | - | 399,935 | D | D |