X0609 4 2026-04-01 0 0001809987 Mirion Technologies, Inc. MIR 0001486259 Logan Thomas D false 1218 MENLO DRIVE ATLANTA GA 30318 1 1 0 0 Chief Executive Officer 0 Class A Common Stock 2026-04-01 4 F 0 22614 18.59 D 364060 D Class B Common Stock 1544017 D Class A Common Stock 3205378 I Logan Family Trust Represents shares that have been withheld by the Issuer in satisfaction of tax withholding obligations in connection with the vesting of restricted stock units (RSUs) previously granted to the Reporting Person. Such withholding was mandated by the Issuer by a policy adopted in advance and does not represent a discretionary trade by the Reporting Person. /s/ Emmanuelle Lee, attorney-in-fact for Thomas D. Logan 2026-04-02