Mirion (MIR) Form 144: 100,000 shares planned for sale

Mirion Technologies (MIR) filed a Form 144 notice for a proposed sale of 100,000 shares of Class A common stock.

Rhea-AI Filing Summary

Mirion Technologies (MIR) filed a Form 144 notice for a proposed sale of 100,000 shares of Class A common stock. The filing lists an aggregate market value of $2,765,420 and an approximate sale date of 11/06/2025.

The broker named is UBS Financial Services, Inc. and the securities are listed on the NYSE. The seller is identified as Renaissance Charitable Foundation, Inc., Schopfer Family Charitable Fund. The shares to be sold were acquired in the IPO on 10/20/2021, amounting to 100,000 shares.

The notice also reports sales in the past three months: 15,000 shares of Class A common stock were sold on 10/30/2025 for $443,550 in gross proceeds. Shares outstanding were 247,821,635 as of the date shown in the form.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did MIR file and what does it mean?

Mirion Technologies (MIR) submitted a Form 144, a notice of proposed sale of restricted or control securities under Rule 144.

How many MIR shares are covered by the Form 144?

The notice covers 100,000 shares of Class A common stock.

What is the aggregate market value of the proposed sale for MIR?

The filing lists an aggregate market value of $2,765,420.

When is the approximate sale date in MIR’s Form 144?

The approximate date of sale is 11/06/2025.

Who is the broker and on which exchange will MIR shares be sold?

The broker is UBS Financial Services, Inc., and the shares are listed on the NYSE.

Who is the selling holder and when were these shares acquired?

The seller is Renaissance Charitable Foundation, Inc., Schopfer Family Charitable Fund, and the shares were acquired in the IPO on 10/20/2021.

Were there recent MIR share sales by the same holder?

Yes. 15,000 shares were sold on 10/30/2025 for $443,550 in gross proceeds.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 11/06/2025 - 04:06 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001885701
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Mirion Technologies, Inc.
SEC File Number	001-39352
Address of Issuer	1218 MENLO DRIVE ATLANTA GEORGIA 30318
Phone	(770) 432-2744
Name of Person for Whose Account the Securities are To Be Sold	Schopfer Brian
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Class A Common	UBS Financial Services, Inc. 11 Madison Ave 4th Floor New York NY 10011	100000	2765420.00	247821635	11/06/2025	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Class A Common	10/20/2021	IPO	Issuer			100000	10/20/2021	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Renaissance Charitable Foundation, Inc., Schopfer Family Charitable Fund c/o Mirion Technologies, Inc. 1218 MENLO DRIVE ATLANTA GA 30318	Class A Common	10/30/2025	15000	443550.00

144: Remarks and Signature

Remarks
Date of Notice	11/06/2025
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	08/07/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ UBS Financial Services Inc, as attorney-in-fact for Brian Schopfer
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)