Alison Ulrich - 27 Dec 2025 Form 4 Insider Report for Mirion Technologies, Inc. (MIR)

Role: Chief Human Resources Officer
Signature: /s/ Emmanuelle Lee, attorney-in-fact for Alison Ulrich
Issuer symbol: MIR
Transactions as of: 27 Dec 2025
Net transactions value: -$3,184
Form type: 4
Filing time: 29 Dec 2025, 16:07:18 UTC
Previous filing: 03 Apr 2025
Next filing: 03 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Ulrich Alison	Chief Human Resources Officer	1218 MENLO DR NW, ATLANTA	/s/ Emmanuelle Lee, attorney-in-fact for Alison Ulrich	29 Dec 2025	0002013994

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MIR	Class A Common Stock	Tax liability	$3,184	-134	-0.38%	$23.76	35,096	27 Dec 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.