Mirion Technologies, Inc. — Director's Dealing 2025

May 16, 2025

SEC Form 4/A — Form 4/A

Issuer: Mirion Technologies, Inc. (MIR)
CIK: 0001809987
Period of Report: 2025-05-15

Reporting Person: Kingsley Lawrence D (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-05-15	Class A Common Stock	A	7977	—	Acquired	61287	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	4200000	Indirect
Class A Common Stock	350000	Indirect
Class A Common Stock	150000	Indirect

Footnotes

F1: Represents restricted stock units that will vest in four equal quarterly installments on September 15, 2025, December 15, 2025, March 15, 2026, and the earlier to occur of (i) first anniversary of the grant date or (ii) date of the annual stockholder meeting following the grant date, subject to the non-employee director's continued service on the Board through each such vesting date.

F2: Reflects shares of Class A Common Stock held by the Diane Kingsley Revocable Trust. Members of the Reporting Person's immediate family are beneficial holders of the Diane Kingsley Revocable Trust, and the Reporting Person may be deemed to exercise voting and investment power over such shares of Class A Common Stock. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

F3: Reflects shares of Class A Common Stock of the Issuer held by the Lawrence D. Kingsley 2015 Family Irrevocable Trust. Members of the Reporting Person's immediate family are beneficial holders of the Lawrence D. Kingsley 2015 Family Irrevocable Trust, and the Reporting Person may be deemed to exercise voting and investment power over such shares of Class A Common Stock. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.