Mirion Technologies (MIR) CFO reports charitable gift of 2,500 Class A shares

Rhea-AI Filing Summary

Mirion Technologies, Inc. (MIR)

12/09/2025 - 04:05 PM

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Schopfer Brian

(Last) (First) (Middle)

1218 MENLO DRIVE

(Street)

ATLANTA GA 30318

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Mirion Technologies, Inc. [ MIR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
12/05/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	12/05/2025		G		2,400(1)	D	$0	902,032	D
Class A Common Stock	12/08/2025		G		100(1)	D	$0	901,932	D
Class B Common Stock								399,935	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. On December 5, 2025 and December 8, 2025, the Reporting Person made a gift of 2,500 shares of Class A Common Stock to a University. The Reporting Person received no consideration for the gift.

Remarks:

	/s/ Emmanuelle Lee, attorney-in-fact for Brian Schopfer	12/09/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Mirion Technologies (MIR) disclose in this Form 4?

The filing shows that Chief Financial Officer Brian Schopfer made gifts totaling 2,500 shares of Class A Common Stock to a university on December 5, 2025 and December 8, 2025.

Did the Mirion Technologies (MIR) executive receive any payment for the shares gifted?

No. The Form 4 states that the reporting person received no consideration for the 2,500 Class A shares gifted to the university.

How many Mirion Technologies (MIR) shares does the CFO own after the reported transactions?

Following the gifts, the CFO beneficially owns 901,932 shares of Class A Common Stock and 399,935 shares of Class B Common Stock, all listed as directly owned.

What is the relationship of the reporting person to Mirion Technologies (MIR)?

The reporting person, Brian Schopfer, is identified as an Officer of Mirion Technologies, Inc., serving as Chief Financial Officer.

What transaction code is used for the Mirion Technologies (MIR) stock transfer?

The transactions in Class A Common Stock are reported with transaction code "G", which indicates a gift of securities.

Are the Mirion Technologies (MIR) shares reported as directly or indirectly owned?

The form reports both the 901,932 Class A shares and the 399,935 Class B shares as directly owned (D) by the reporting person.