MIR Form 4: CEO Thomas D. Logan gifts 106,188 Class A shares

Rhea-AI Filing Summary

Mirion Technologies (MIR): CEO and director Thomas D. Logan reported a charitable gift of 106,188 shares of Class A Common Stock on 10/30/2025 (transaction code G) at a reported price of $0.

Following the transaction, reported holdings were 3,349,551 shares of Class A Common Stock directly, 1,544,017 shares of Class B Common Stock directly, and 111,566 shares of Class A Common Stock held indirectly via the Logan Family Trust.

Insider Trade Summary

106,188 shares gifted

Mixed 3 txns

Insider Logan Thomas D

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Gift	Class A Common Stock	106,188	$0.00	--
holding	Class B Common Stock	--	--	--
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Class A Common Stock — 3,349,551 shares (Direct); Class B Common Stock — 1,544,017 shares (Direct); Class A Common Stock — 111,566 shares (Indirect, Logan Family Trust)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Logan Thomas D

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
10/30/2025

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	10/30/2025		G		106,188(1)	D	$0	3,349,551	D
Class B Common Stock								1,544,017	D
Class A Common Stock								111,566	I	Logan Family Trust

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 October 30, 2025, the Reporting Person made a gift of 106,188 shares of Class A Common Stock to a charitable organization. The Reporting Person received no consideration for the gift.

Remarks:

	/s/ Emmanuelle Lee, attorney-in-fact for Thomas D. Logan	11/03/2025
	** 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 did MIR CEO Thomas D. Logan report on Form 4?

He reported a gift of 106,188 Class A shares on 10/30/2025 (code G) at $0 to a charitable organization.

How many MIR Class A shares does Thomas D. Logan hold after the transaction?

He reported 3,349,551 Class A shares held directly after the transaction.

What are Thomas D. Logan’s indirect holdings in MIR after the transaction?

He reported 111,566 Class A shares held indirectly via the Logan Family Trust.

Does Thomas D. Logan hold MIR Class B shares?

Yes. He reported 1,544,017 Class B shares held directly after the transaction.

What does transaction code G indicate on a Form 4?

Code G indicates a gift of securities; the filing notes the CEO received no consideration for the gift.

Was a price reported for the gifted MIR shares?

Yes. The reported price was $0, consistent with a charitable gift.