Sec Form 4 Filing - Lee Emmanuelle @ Mirion Technologies, Inc. - 2024-09-24

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

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person Lee Emmanuelle 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 Legal Officer (Last) (First) (Middle) 1218 MENLO DR. NW 3. Date of Earliest Transaction (MM/DD/YY) 09/24/2024 (Street) ATLANTA, GA30318 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 B Common Stock 09/24/2024 C 5,000 D 36,153 I By Trust ( 2 ) Class A Common Stock 09/24/2024 A 5,000 A 5,000 I By Trust Class A Common Stock 09/24/2024 S 5,000 ( 3 ) D $ 10.5968 ( 4 ) 0 I By Trust Class A Common Stock 101,272 D Class B Common Stock 138,193 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Lee Emmanuelle 1218 MENLO DR. NW ATLANTA, GA30318 Chief Legal Officer Signatures /s/ Emmanuelle Lee 09/26/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The Issuer issued 5,000 shares of Class A Common Stock of the Issuer to the Lee Revocable Living Trust (the "Lee Trust") pursuant to a redemption on a one-for-one basis of 5,000 shares of Class B Common Stock of Mirion IntermediateCo, Inc. held by the Lee Trust, effectuated pursuant to a 10b5-1 plan adopted by the Lee Trust on March 7, 2024. In connection with such redemption the Issuer canceled 5,000 shares of Class B Common Stock of the Issuer held by the Lee Trust. ( 2 )Reflects shares of Class B Common Stock of the Issuer ("Class B Common Stock") held of record by the Lee Revocable Living Trust (the "Lee Trust") for the benefit of the Reporting Person, the Reporting Person's spouse, and beneficiaries. The Reporting Person and the Reporting Person's spouse are both trustees and beneficiary of the Lee Trust. The Reporting Person disclaims ownership of these shares of Class B Common Stock except to the extent of her pecuniary interest therein. ( 3 )The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan adopted by the Lee Trust on March 7, 2024. The Reporting Person and the Reporting Person's spouse are both trustees and beneficiaries of the Lee Trust. The Reporting Person disclaims ownership of these shares of Class A Common Stock except to the extent of her pecuniary interest therein. ( 4 )The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.36 to $10.75, inclusive.

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.