Schopfer Brian

SEC source: 0001628280-26-060095 · wk-form4_1788379842.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 933,290

SEC source: 0001628280-26-023177 · wk-form4_1775161007.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 913,290

F1 · shares: Represents shares that have been withheld by the Issuer in satisfaction of tax withholding obligations in connection with the vesting of restricted stock units (RSUs) previously granted to the Reporting Person. Such withholding was mandated by the Issuer by a policy adopted in advance and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001628280-26-013818 · wk-form4_1772572389.xml · nonDerivative · entry 3

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 920,667

F3 · shares: Represents shares that have been withheld by the Issuer in satisfaction of tax withholding obligations in connection with the vesting of the PSUs previously granted to the Reporting Person. Such withholding was mandated by the Issuer by a policy adopted in advance and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001628280-26-013818 · wk-form4_1772572389.xml · nonDerivative · entry 2

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 949,166

F2 · shares: Represents the settlement of certain performance-based restricted stock units ("PSU") previously granted on December 31, 2023, based on the achievement of specified performance goals as determined by the Issuer's compensation committee of its board of directors.

SEC source: 0001628280-26-013818 · wk-form4_1772572389.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 884,260

F1 · shares: Represents shares that have been withheld by the Issuer in satisfaction of tax withholding obligations in connection with the vesting of restricted stock units (RSUs) previously granted to the Reporting Person. Such withholding was mandated by the Issuer by a policy adopted in advance and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001628280-25-058980 · wk-form4_1767042492.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 893,432

F1 · shares: Represents shares that have been withheld by the Issuer in satisfaction of tax withholding obligations in connection with the vesting of restricted stock units (RSUs) previously granted to the Reporting Person. Such withholding was mandated by the Issuer by a policy adopted in advance and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001628280-25-056062 · wk-form4_1765314332.xml · nonDerivative · entry 2

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 901,932

F1 · shares: On December 5, 2025 and December 8, 2025, the Reporting Person made a gift of 2,500 shares of Class A Common Stock to a University. The Reporting Person received no consideration for the gift.

SEC source: 0001628280-25-056062 · wk-form4_1765314332.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 902,032

F1 · shares: On December 5, 2025 and December 8, 2025, the Reporting Person made a gift of 2,500 shares of Class A Common Stock to a University. The Reporting Person received no consideration for the gift.

SEC source: 0001628280-25-051057 · wk-form4_1762809322.xml · nonDerivative · entry 4

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 904,432

F2 · price: The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 7, 2025.

SEC source: 0001628280-25-051057 · wk-form4_1762809322.xml · nonDerivative · entry 3

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 954,432

F2 · price: The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 7, 2025.

SEC source: 0001628280-25-051057 · wk-form4_1762809322.xml · nonDerivative · entry 2

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 399,935

F1 · price: The Issuer issued 100,000 shares of Class A common stock of the Issuer to the reporting person pursuant to a redemption of 100,000 shares of Class B common stock of Mirion IntermediateCo, Inc. held by the reporting person effectuated pursuant to a 10b5-1 plan adopted by the reporting person on August 7, 2025. In connection with such redemption the Issuer cancelled 100,000 shares of Class B common stock of the Issuer held by the reporting person.

SEC source: 0001628280-25-051057 · wk-form4_1762809322.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,004,432

F1 · price: The Issuer issued 100,000 shares of Class A common stock of the Issuer to the reporting person pursuant to a redemption of 100,000 shares of Class B common stock of Mirion IntermediateCo, Inc. held by the reporting person effectuated pursuant to a 10b5-1 plan adopted by the reporting person on August 7, 2025. In connection with such redemption the Issuer cancelled 100,000 shares of Class B common stock of the Issuer held by the reporting person.

SEC source: 0001628280-25-048230 · wk-form4_1762204222.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 904,432

F1 · shares: On October 30, 2025, the Reporting Person made a gift of 15,000 shares of Class A Common Stock to a donor advised fund. The Reporting Person received no consideration for the gift.

SEC source: 0001885701-25-000004 · wk-form4_1751054744.xml · nonDerivative · entry 3

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 919,432

F2 · price: The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 19, 2025.

SEC source: 0001885701-25-000004 · wk-form4_1751054744.xml · nonDerivative · entry 2

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 499,935

F1 · price: The Issuer issued 75,000 shares of Class A common stock of the Issuer to the reporting person pursuant to a redemption of 75,000 shares of Class B common stock of Mirion IntermediateCo, Inc. held by the reporting person effectuated pursuant to a 10b5-1 plan adopted by the reporting person on February 19, 2025. In connection with such redemption the Issuer canceled 75,000 shares of Class B common stock of the Issuer held by the reporting person.

SEC source: 0001885701-25-000004 · wk-form4_1751054744.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 994,432

F1 · price: The Issuer issued 75,000 shares of Class A common stock of the Issuer to the reporting person pursuant to a redemption of 75,000 shares of Class B common stock of Mirion IntermediateCo, Inc. held by the reporting person effectuated pursuant to a 10b5-1 plan adopted by the reporting person on February 19, 2025. In connection with such redemption the Issuer canceled 75,000 shares of Class B common stock of the Issuer held by the reporting person.

SEC source: 0001628280-25-027610 · wk-form4_1748032290.xml · nonDerivative · entry 3

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 919,432

F2 · shares: The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 19, 2025.

SEC source: 0001628280-25-027610 · wk-form4_1748032290.xml · nonDerivative · entry 2

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 574,935

F1 · price: The Issuer issued 75,000 shares of Class A common stock of the Issuer to the reporting person pursuant to a redemption of 75,000 shares of Class B common stock of Mirion IntermediateCo, Inc. held by the reporting person effectuated pursuant to a 10b5-1 plan adopted by the reporting person on February 19, 2025. In connection with such redemption the Issuer canceled 75,000 shares of Class B common stock of the Issuer held by the reporting person.

SEC source: 0001628280-25-027610 · wk-form4_1748032290.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 994,432

F1 · price: The Issuer issued 75,000 shares of Class A common stock of the Issuer to the reporting person pursuant to a redemption of 75,000 shares of Class B common stock of Mirion IntermediateCo, Inc. held by the reporting person effectuated pursuant to a 10b5-1 plan adopted by the reporting person on February 19, 2025. In connection with such redemption the Issuer canceled 75,000 shares of Class B common stock of the Issuer held by the reporting person.

SEC source: 0001628280-25-026281 · wk-form4_1747426644.xml · nonDerivative · entry 2

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 919,432

F2 · shares: Represents shares that have been withheld by the Issuer in satisfaction of tax withholding obligations in connection with the vesting of the PSUs previously granted to the Reporting Person. Such withholding was mandated by the Issuer by a policy adopted in advance and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001628280-25-026281 · wk-form4_1747426644.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 948,581

F1 · shares: Represents the settlement of certain performance-based restricted stock units ("PSU") previously granted on April 1, 2022, based on the achievement of specified performance goals as determined by the Issuer's compensation committee of its board of directors.

SEC source: 0001628280-25-016511 · wk-form4_1743711969.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 883,427

F1 · shares: Represents shares that have been withheld by the Issuer in satisfaction of tax withholding obligations in connection with the vesting of restricted stock units (RSUs) previously granted to the Reporting Person. Such withholding was mandated by the Issuer by a policy adopted in advance and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001628280-25-009924 · wk-form4_1741124434.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 898,228

F1 · shares: Represents shares that have been withheld by the Issuer in satisfaction of tax withholding obligations in connection with the vesting of restricted stock units (RSUs) previously granted to the Reporting Person. Such withholding was mandated by the Issuer by a policy adopted in advance and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001628280-25-008646 · wk-form4_1740690646.xml · nonDerivative · entry 2

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 907,211

F2 · shares: Represents shares that have been withheld by the Issuer in satisfaction of tax withholding obligations in connection with the vesting of the PSUs previously granted to the Reporting Person. Such withholding was mandated by the Issuer by a policy adopted in advance and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001628280-25-008646 · wk-form4_1740690646.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 923,615

F1 · shares: Represents the settlement of certain performance-based restricted stock units ("PSU") previously granted on December 27, 2021, based on the achievement of specified performance goals as determined by the Issuer's compensation committee of its board of directors.

SEC source: 0001628280-24-052639 · wk-form4_1735679587.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 887,795

F1 · shares: Represents shares that have been withheld by the Issuer in satisfaction of tax withholding obligations in connection with the vesting of restricted stock units (RSUs) previously granted to the Reporting Person. Such withholding was mandated by the Issuer by a policy adopted in advance and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001628280-24-052106 · wk-form4_1734646760.xml · derivative · entry 3

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 525,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Sponsor Units represent membership interests in GS Sponsor II, LLC, a Delaware limited liability company ("Sponsor"). The Sponsor Units held by the Reporting Person are subject to both service- and performance-vesting conditions. 525,000 Sponsor Units satisfied the performance vesting conditions on December 17, 2024, when the volume weighted average price per share of Class A Common Stock of the Issuer met or exceeded $16.00 for at least 20 trading days in a 30 consecutive trading day period; the service vesting condition was previously satisfied. The Sponsor, of which the Reporting Person is a non-managing member, completed a pro rata distribution of Class A Common Stock to holders of Sponsor Units, including the Reporting Person, on December 18, 2024.

F1 · price: Sponsor Units represent membership interests in GS Sponsor II, LLC, a Delaware limited liability company ("Sponsor"). The Sponsor Units held by the Reporting Person are subject to both service- and performance-vesting conditions. 525,000 Sponsor Units satisfied the performance vesting conditions on December 17, 2024, when the volume weighted average price per share of Class A Common Stock of the Issuer met or exceeded $16.00 for at least 20 trading days in a 30 consecutive trading day period; the service vesting condition was previously satisfied. The Sponsor, of which the Reporting Person is a non-managing member, completed a pro rata distribution of Class A Common Stock to holders of Sponsor Units, including the Reporting Person, on December 18, 2024.

F1 · derivative.exercise_date: Sponsor Units represent membership interests in GS Sponsor II, LLC, a Delaware limited liability company ("Sponsor"). The Sponsor Units held by the Reporting Person are subject to both service- and performance-vesting conditions. 525,000 Sponsor Units satisfied the performance vesting conditions on December 17, 2024, when the volume weighted average price per share of Class A Common Stock of the Issuer met or exceeded $16.00 for at least 20 trading days in a 30 consecutive trading day period; the service vesting condition was previously satisfied. The Sponsor, of which the Reporting Person is a non-managing member, completed a pro rata distribution of Class A Common Stock to holders of Sponsor Units, including the Reporting Person, on December 18, 2024.

F1 · derivative.expiration_date: Sponsor Units represent membership interests in GS Sponsor II, LLC, a Delaware limited liability company ("Sponsor"). The Sponsor Units held by the Reporting Person are subject to both service- and performance-vesting conditions. 525,000 Sponsor Units satisfied the performance vesting conditions on December 17, 2024, when the volume weighted average price per share of Class A Common Stock of the Issuer met or exceeded $16.00 for at least 20 trading days in a 30 consecutive trading day period; the service vesting condition was previously satisfied. The Sponsor, of which the Reporting Person is a non-managing member, completed a pro rata distribution of Class A Common Stock to holders of Sponsor Units, including the Reporting Person, on December 18, 2024.

SEC source: 0001628280-24-052106 · wk-form4_1734646760.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 896,333

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Sponsor Units represent membership interests in GS Sponsor II, LLC, a Delaware limited liability company ("Sponsor"). The Sponsor Units held by the Reporting Person are subject to both service- and performance-vesting conditions. 525,000 Sponsor Units satisfied the performance vesting conditions on December 17, 2024, when the volume weighted average price per share of Class A Common Stock of the Issuer met or exceeded $16.00 for at least 20 trading days in a 30 consecutive trading day period; the service vesting condition was previously satisfied. The Sponsor, of which the Reporting Person is a non-managing member, completed a pro rata distribution of Class A Common Stock to holders of Sponsor Units, including the Reporting Person, on December 18, 2024.

SEC source: 0001628280-24-047956 · wk-form4_1731621825.xml · derivative · entry 3

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 525,000

Underlying: Class A Common Stock · 175,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Sponsor Units represent membership interests in GS Sponsor II, LLC, a Delaware limited liability company ("Sponsor"). The Sponsor Units held by the Reporting Person are subject to both service- and performance-vesting conditions. 175,000 Sponsor Units satisfied the performance vesting conditions on November 12, 2024 when the volume weighted average price per share of Class A Common Stock of the Issuer met or exceeded $14.00 for at least 20 trading days in a 30 consecutive trading day period; the service vesting condition was previously satisfied. The Sponsor, of which the Reporting Person is a non-managing member, completed a pro rata distribution of Class A Common Stock to holders of Sponsor Units, including the Reporting Person, on November 13, 2024.

F2 · price: The remaining Sponsor Units held by the Reporting Person are subject to both service- and performance-vesting conditions. The remaining Sponsor Units service-vested on October 20, 2024. The remaining Sponsor Units will performance-vest when the volume weighted average price per share of Class A Common Stock of the Issuer meets or exceeds $16.00 for at least 20 trading days in a 30 consecutive trading day period, provided that such date occurs on or before October 20, 2026. The Reporting Person is not entitled to distributions in respect of Sponsor Units until all applicable vesting conditions are satisfied.

F2 · derivative.exercise_date: The remaining Sponsor Units held by the Reporting Person are subject to both service- and performance-vesting conditions. The remaining Sponsor Units service-vested on October 20, 2024. The remaining Sponsor Units will performance-vest when the volume weighted average price per share of Class A Common Stock of the Issuer meets or exceeds $16.00 for at least 20 trading days in a 30 consecutive trading day period, provided that such date occurs on or before October 20, 2026. The Reporting Person is not entitled to distributions in respect of Sponsor Units until all applicable vesting conditions are satisfied.

F2 · derivative.expiration_date: The remaining Sponsor Units held by the Reporting Person are subject to both service- and performance-vesting conditions. The remaining Sponsor Units service-vested on October 20, 2024. The remaining Sponsor Units will performance-vest when the volume weighted average price per share of Class A Common Stock of the Issuer meets or exceeds $16.00 for at least 20 trading days in a 30 consecutive trading day period, provided that such date occurs on or before October 20, 2026. The Reporting Person is not entitled to distributions in respect of Sponsor Units until all applicable vesting conditions are satisfied.

SEC source: 0001628280-24-047956 · wk-form4_1731621825.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 371,333

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Sponsor Units represent membership interests in GS Sponsor II, LLC, a Delaware limited liability company ("Sponsor"). The Sponsor Units held by the Reporting Person are subject to both service- and performance-vesting conditions. 175,000 Sponsor Units satisfied the performance vesting conditions on November 12, 2024 when the volume weighted average price per share of Class A Common Stock of the Issuer met or exceeded $14.00 for at least 20 trading days in a 30 consecutive trading day period; the service vesting condition was previously satisfied. The Sponsor, of which the Reporting Person is a non-managing member, completed a pro rata distribution of Class A Common Stock to holders of Sponsor Units, including the Reporting Person, on November 13, 2024.

SEC source: 0001628280-24-014616 · wk-form4_1712176803.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 196,333

F1 · shares: Represents shares that have been withheld by the Issuer in satisfaction of tax withholding obligations in connection with the vesting of restricted stock units (RSUs) previously granted to the Reporting Person. Such withholding was mandated by the Issuer by a policy adopted in advance and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001628280-24-012529 · wk-form4_1711052147.xml · nonDerivative · entry 3

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 211,167

F2 · shares: The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2023.

SEC source: 0001628280-24-012529 · wk-form4_1711052147.xml · nonDerivative · entry 2

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 649,935

F1 · price: The Issuer issued 90,910 shares of Class A common stock of the Issuer to the reporting person pursuant to a redemption of 90,910 shares of Class B common stock of Mirion IntermediateCo, Inc. held by the reporting person effectuated pursuant to a 10b5-1 plan adopted by the reporting person on March 13, 2023. In connection with such redemption the Issuer canceled 90,910 shares of Class B common stock of the Issuer held by the reporting person.

SEC source: 0001628280-24-012529 · wk-form4_1711052147.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 302,077

F1 · price: The Issuer issued 90,910 shares of Class A common stock of the Issuer to the reporting person pursuant to a redemption of 90,910 shares of Class B common stock of Mirion IntermediateCo, Inc. held by the reporting person effectuated pursuant to a 10b5-1 plan adopted by the reporting person on March 13, 2023. In connection with such redemption the Issuer canceled 90,910 shares of Class B common stock of the Issuer held by the reporting person.

SEC source: 0001628280-24-009041 · wk-form4_1709677462.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 211,167

F1 · shares: Represents restricted stock units that will vest in three equal annual installments starting on March 1, 2025, subject to the Reporting Person's continued employment through each vesting date.

SEC source: 0001628280-23-042832 · wk-form4_1703804661.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,927

F1 · shares: Represents shares that have been withheld by the Issuer in satisfaction of tax withholding obligations in connection with the vesting of restricted stock units (RSUs) previously granted to the Reporting Person. Such withholding was mandated by the Issuer by a policy adopted in advance and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001628280-23-010715 · wf-form4_168064386033654.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 159,533

F1 · shares: Represents shares that have been withheld by the Issuer in satisfaction of tax withholding obligations in connection with the vesting of restricted stock units (RSUs) previously granted to the Reporting Person. Such withholding was mandated by the Issuer by a policy adopted in advance and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001628280-23-010174 · wf-form4_168029449632649.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 166,984

F1 · shares: Represents restricted stock units that will vest in three equal annual installments starting on April 1, 2024, subject to the Reporting Person's continued employment through each vesting date.

SEC source: 0001628280-22-032645 · wf-form4_167226506186309.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,295

F1 · shares: Represents shares that have been withheld by the Issuer in satisfaction of tax withholding obligations in connection with the vesting of restricted stock units (RSUs) previously granted to the Reporting Person. Such withholding was mandated by the Issuer by a policy adopted in advance and does not represent a discretionary trade by the Reporting Person.

SEC source: 0000950103-22-006054 · dp170695_4-schopfer.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 866,746

F1 · shares: Represents restricted stock units that will vest in four equal annual installments subject to the Reporting Person's continued employment through each vesting date.

SEC source: 0000950103-21-020495 · dp164367_4-schopfer.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 817,180

F1 · shares: Represents restricted stock units that will vest in four equal annual installments subject to the Reporting Person's continued employment through each vesting date.

SEC source: 0000950103-22-000087 · dp164681_4a-schopfer.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 817,180

F1 · shares: Represents restricted stock units that will vest in four equal annual installments subject to the Reporting Person's continued employment through each vesting date.

SEC source: 0000950103-21-016335 · dp160252_4-schopfer.xml · nonDerivative · entry 1

Schopfer Brian · CIK 0001885701 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 740,845

F1 · kind: Pursuant to the Business Combination Agreement, dated June 17, 2021 (as amended on September 3, 2021), by and among GS Acquisition Holdings Corp II ("GSAH"), Mirion Technologies (TopCo), Ltd ("Legacy Mirion") and the other parties thereto (the "Business Combination Agreement"), GSAH established a Delaware corporation, Mirion IntermediateCo, Inc. ("IntermediateCo") as a subsidiary thereof. A newly-formed subsidiary of IntermediateCo merged with and into Legacy Mirion with Legacy Mirion surviving as a wholly-owned subsidiary of IntermediateCo, with GSAH (which changed its name to Mirion Technologies, Inc. (the "Issuer")) thereby becoming the corporate parent of Legacy Mirion. The transactions contemplated by the Business Combination Agreement are referred to herein as the "Business Combination".

F2 · kind: Pursuant to the terms of the Business Combination Agreement, the shareholders of Legacy Mirion at the effective time of the Business Combination (the "Effective Time") were entitled to elect to receive, for each Class A ordinary share of Legacy Mirion held by them immediately prior to the Effective Time, a combination of cash and shares of Class B common stock of the Issuer ("Common Stock"), in each case, as specified by the applicable Legacy Mirion shareholder.

F3 · kind: Reflects shares of Common Stock acquired by the Reporting Person pursuant to the Business Combination Agreement.

F1 · price: Pursuant to the Business Combination Agreement, dated June 17, 2021 (as amended on September 3, 2021), by and among GS Acquisition Holdings Corp II ("GSAH"), Mirion Technologies (TopCo), Ltd ("Legacy Mirion") and the other parties thereto (the "Business Combination Agreement"), GSAH established a Delaware corporation, Mirion IntermediateCo, Inc. ("IntermediateCo") as a subsidiary thereof. A newly-formed subsidiary of IntermediateCo merged with and into Legacy Mirion with Legacy Mirion surviving as a wholly-owned subsidiary of IntermediateCo, with GSAH (which changed its name to Mirion Technologies, Inc. (the "Issuer")) thereby becoming the corporate parent of Legacy Mirion. The transactions contemplated by the Business Combination Agreement are referred to herein as the "Business Combination".

F2 · price: Pursuant to the terms of the Business Combination Agreement, the shareholders of Legacy Mirion at the effective time of the Business Combination (the "Effective Time") were entitled to elect to receive, for each Class A ordinary share of Legacy Mirion held by them immediately prior to the Effective Time, a combination of cash and shares of Class B common stock of the Issuer ("Common Stock"), in each case, as specified by the applicable Legacy Mirion shareholder.