MIR files Rule 144 notice for restricted-share resale

MIR submitted a Rule 144 notice describing proposed sales of common stock tied to restricted stock grants.

Rhea-AI Filing Summary

MIR submitted a Rule 144 notice describing proposed sales of common stock tied to restricted stock grants. The filing lists multiple restricted stock lots dated 04/01/2025 and 04/01/2026 with quantities 3,628, 3,637 and 1,135 shown. The broker/placement agent is Morgan Stanley Smith Barney LLC.

Insights

Securities Compliance Analyst

Rule 144 notice for proposed resale of restricted shares; routine disclosure.

The filing lists specific restricted stock lots and a broker, consistent with a covered-person notice of proposed resale under Rule 144. It does not state that sales have occurred or provide pricing or proceeds information.

Cash‑flow treatment and timing are not specified in the excerpt; subsequent filings would show executed transactions if any.

Key Figures

Restricted lot 1: 3,628 shares Restricted lot 2: 3,637 shares Restricted lot 3: 1,135 shares +2 more

5 metrics

Restricted lot 1 3,628 shares grant date 04/01/2025

Restricted lot 2 3,637 shares grant date 04/01/2025

Restricted lot 3 1,135 shares grant date 04/01/2026

Filing date / exchange code 05/07/2026 / NYSE listed in securities information row

Broker identifier line Morgan Stanley Smith Barney LLC listed as broker/agent at 1 New York Plaza

Key Terms

Restricted Stock, Rule 144, Morgan Stanley Smith Barney LLC

3 terms

Restricted Stock financial

"Common | 04/01/2025 | Restricted Stock | Issuer"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

Rule 144 regulatory

"144: Filer Information"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Morgan Stanley Smith Barney LLC other

"Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza"

FAQ

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

What does MIR's Form 144 filing mean for shareholders?

It notifies the market of proposed resale of restricted common stock. The filing lists specific restricted lots of 3,628, 3,637, and 1,135 shares dated 04/01/2025 and 04/01/2026. It does not confirm sales occurred.

Who is listed as the broker on the MIR Form 144?

The filing names Morgan Stanley Smith Barney LLC as the broker/agent. The record shows an address at 1 New York Plaza, 8th Floor, New York, NY, and an exchange code NYSE in the excerpt.

How many restricted stock shares are disclosed in the excerpt?

The excerpt shows three restricted stock lots: 3,628, 3,637, and 1,135 shares, each tied to grant dates of 04/01/2025 and 04/01/2026. No aggregate offering amount is given.

Does the Form 144 excerpt state sale proceeds or prices for MIR shares?

No. The provided excerpt lists restricted stock quantities, dates, and a broker but contains no pricing, proceeds, or executed-sale confirmations. It functions as a notice of proposed resale under Rule 144.

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

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Accepted by SEC EDGAR 05/07/2026 - 04:48 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	0001928030
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	CHRISTOPHER MOORE
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
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	8400	164976.00	244655718	05/07/2026	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 *
Common	04/01/2025	Restricted Stock	Issuer			3628	04/01/2025	Not Applicable
Common	04/01/2025	Restricted Stock	Issuer			3637	04/01/2025	Not Applicable
Common	04/01/2026	Restricted Stock	Issuer			1135	04/01/2026	Not Applicable

* 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

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	05/07/2026
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/ Christopher Moore
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)