John W. Kuo - 11 Dec 2025 Form 4 Insider Report for Mirion Technologies, Inc. (MIR)

Reporting relationship: Director
Issuer ticker: MIR
Reported as of: 11 Dec 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 12 Dec 2025, 16:06:55 UTC
Prior SEC filing: 01 Jul 2025
Next SEC filing: 14 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Emmanuelle Lee, attorney-in-fact for John Kuo

Key filing fact

John W. Kuo filed Form 4 for Mirion Technologies, Inc. (MIR) on 12 Dec 2025.

Key facts

This page summarizes John W. Kuo's Form 4 filing for Mirion Technologies, Inc. (MIR).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 12 Dec 2025, 16:06.

Change

Previous filing in this sequence was filed on 01 Jul 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001330270 Primary reporting owner

KUO JOHN W

Relationship: Director
Address: 1218 MENLO DRIVE, ATLANTA
Signature: /s/ Emmanuelle Lee, attorney-in-fact for John Kuo
Signature date: 12 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MIR transaction

Class A Common Stock

Gift

Transaction value: $0
Shares: -4,860
Change %: -6.3%
Price: $0.000000
Shares after: 72,736
Date: 11 Dec 2025
Ownership: Direct
Footnotes: F1

MIR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 29,390
Date: 11 Dec 2025
Ownership: Direct

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

On December 11, 2025, the Reporting Person made a gift of 4,860 shares of Class A Common Stock to a donor advised fund. The Reporting Person received no consideration for the gift.