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The Sponsor Units held by the Reporting Person are subject to both service- and performance-vesting conditions. 2,400,000 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."}],"balance_after":3955790,"source":{"system":"sec-edgar","filing":"0001628280-24-052109","document":"wk-form4_1734646828.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024052109/wk-form4_1734646828.xml","form_type":"4"}},{"id":1365885,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Sponsor Units","published_at":"2024-11-14T22:04:12.000Z","date":"2024-11-12","kind":"exercise","planned":false,"acquired":false,"shares":800000,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"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. 800,000 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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"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."}],"balance_after":2400000,"derivative":{"underlying":"Class A Common Stock","underlying_shares":800000},"source":{"system":"sec-edgar","filing":"0001628280-24-047957","document":"wk-form4_1731621845.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024047957/wk-form4_1731621845.xml","form_type":"4"}},{"id":1365884,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-11-14T22:04:12.000Z","date":"2024-11-12","kind":"exercise","planned":false,"acquired":true,"shares":800000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"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. 800,000 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."}],"balance_after":1555790,"source":{"system":"sec-edgar","filing":"0001628280-24-047957","document":"wk-form4_1731621845.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024047957/wk-form4_1731621845.xml","form_type":"4"}},{"id":1380921,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-10-28T21:27:33.000Z","date":"2024-10-24","kind":"sale","planned":false,"acquired":false,"shares":7500,"price":14.1087,"value":105815.25,"ownership":{"direct":false,"nature":"By Aere Perennius, LLC"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan adopted by Aere Perennius, LLC, a limited liability company which holds interests in trusts established for the benefit of the reporting person's adult children on February 27, 2024. Mary Logan Martineau as Investment Trustee has sole voting and dispositive power of the shares of Class B common stock held by Aere Perennius, LLC, and any Class A common stock that may be received in exchange for Class B common stock following a request for redemption. The Reporting Person disclaims ownership of all such shares except to the extent of his pecuniary interest therein."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.87 to $14.22, inclusive."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001628280-24-043968","document":"wk-form4_1730150845.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024043968/wk-form4_1730150845.xml","form_type":"4"}},{"id":1380920,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-10-28T21:27:33.000Z","date":"2024-10-24","kind":"grant","planned":false,"acquired":true,"shares":7500,"ownership":{"direct":false,"nature":"By Aere Perennius, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Issuer issued 7,500 shares of Class A common stock of the Issuer to Aere Perennius, LLC, pursuant to a redemption on a one-for-one basis of 7,500 shares of Class B common stock of Mirion IntermediateCo, Inc. held by Aere Perennius, LLC, effectuated pursuant to a 10b5-1 plan adopted by Aere Perennius, LLC on February 27, 2024. In connection with such redemption the Issuer canceled 7,500 shares of Class B common stock of the Issuer held by Aere Perennius, LLC."}],"balance_after":7500,"source":{"system":"sec-edgar","filing":"0001628280-24-043968","document":"wk-form4_1730150845.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024043968/wk-form4_1730150845.xml","form_type":"4"}},{"id":1380919,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class B Common Stock","published_at":"2024-10-28T21:27:33.000Z","date":"2024-10-24","kind":"exercise","planned":false,"acquired":false,"shares":7500,"ownership":{"direct":false,"nature":"By Aere Perennius, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Issuer issued 7,500 shares of Class A common stock of the Issuer to Aere Perennius, LLC, pursuant to a redemption on a one-for-one basis of 7,500 shares of Class B common stock of Mirion IntermediateCo, Inc. held by Aere Perennius, LLC, effectuated pursuant to a 10b5-1 plan adopted by Aere Perennius, LLC on February 27, 2024. In connection with such redemption the Issuer canceled 7,500 shares of Class B common stock of the Issuer held by Aere Perennius, LLC."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B common stock of the Issuer which are held of record by Aere Perennius, LLC., a limited liability company which is held by trusts established for the benefit of Mr. Logan's adult children. Mary Logan Martineau, formerly known as Mary Hancock Logan, as Manager has sole voting and dispositive power of the shares of Class B common stock held by Aere Perennius, LLC. Shares of Class B common stock may be exchanged for shares of Class A common stock of the Issuer on a one-for-one basis following a request for redemption by the holder. The Reporting Person disclaims ownership of these shares except to the extent of his pecuniary interest therein."}],"balance_after":2551371,"source":{"system":"sec-edgar","filing":"0001628280-24-043968","document":"wk-form4_1730150845.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024043968/wk-form4_1730150845.xml","form_type":"4"}},{"id":1399258,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-09-26T21:04:27.000Z","date":"2024-09-24","kind":"sale","planned":false,"acquired":false,"shares":7500,"price":10.4732,"value":78549.0,"ownership":{"direct":false,"nature":"By Aere Perennius, LLC"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan adopted by Aere Perennius, LLC, a limited liability company which holds interests in trusts established for the benefit of the reporting person's adult children on February 27, 2024. Mary Logan Martineau as Investment Trustee has sole voting and dispositive power of the shares of Class B common stock held by Aere Perennius, LLC, and any Class A common stock that may be received in exchange for Class B common stock following a request for redemption. The Reporting Person disclaims ownership of all such shares except to the extent of his pecuniary interest therein."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.32 to $10.75, inclusive."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001628280-24-041379","document":"wk-form4_1727384660.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024041379/wk-form4_1727384660.xml","form_type":"4"}},{"id":1399257,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-09-26T21:04:27.000Z","date":"2024-09-24","kind":"grant","planned":false,"acquired":true,"shares":7500,"ownership":{"direct":false,"nature":"By Aere Perennius, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Issuer issued 7,500 shares of Class A common stock of the Issuer to Aere Perennius, LLC, pursuant to a redemption on a one-for-one basis of 7,500 shares of Class B common stock of Mirion IntermediateCo, Inc. held by Aere Perennius, LLC, effectuated pursuant to a 10b5-1 plan adopted by Aere Perennius, LLC on February 27, 2024. In connection with such redemption the Issuer canceled 7,500 shares of Class B common stock of the Issuer held by Aere Perennius, LLC."}],"balance_after":7500,"source":{"system":"sec-edgar","filing":"0001628280-24-041379","document":"wk-form4_1727384660.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024041379/wk-form4_1727384660.xml","form_type":"4"}},{"id":1399256,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class B Common Stock","published_at":"2024-09-26T21:04:27.000Z","date":"2024-09-24","kind":"exercise","planned":false,"acquired":false,"shares":7500,"ownership":{"direct":false,"nature":"By Aere Perennius, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Issuer issued 7,500 shares of Class A common stock of the Issuer to Aere Perennius, LLC, pursuant to a redemption on a one-for-one basis of 7,500 shares of Class B common stock of Mirion IntermediateCo, Inc. held by Aere Perennius, LLC, effectuated pursuant to a 10b5-1 plan adopted by Aere Perennius, LLC on February 27, 2024. In connection with such redemption the Issuer canceled 7,500 shares of Class B common stock of the Issuer held by Aere Perennius, LLC."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B common stock of the Issuer which are held of record by Aere Perennius, LLC., a limited liability company which holds interests in trusts established for the benefit of Mr. Logan's adult children. Mary Logan Martineau, formerly known as Mary Hancock Logan, as Investment Trustee has sole voting and dispositive power of the shares of Class B common stock held by Aere Perennius, LLC. Shares of Class B common stock may be exchanged for shares of Class A common stock of the Issuer on a one-for-one basis following a request for redemption by the holder. The Reporting Person disclaims ownership of these shares except to the extent of his pecuniary interest therein."}],"balance_after":2558871,"source":{"system":"sec-edgar","filing":"0001628280-24-041379","document":"wk-form4_1727384660.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024041379/wk-form4_1727384660.xml","form_type":"4"}},{"id":1422627,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-08-27T20:40:11.000Z","date":"2024-08-23","kind":"sale","planned":false,"acquired":false,"shares":7500,"price":10.9987,"value":82490.25,"ownership":{"direct":false,"nature":"By Aere Perennius, LLC"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan adopted by Aere Perennius, LLC, a limited liability company which holds interests in trusts established for the benefit of the reporting person's adult children on February 27, 2024. Mary Logan Martineau as Investment Trustee has sole voting and dispositive power of the shares of Class B common stock held by Aere Perennius, LLC, and any Class A common stock that may be received in exchange for Class B common stock following a request for redemption. The Reporting Person disclaims ownership of all such shares except to the extent of his pecuniary interest therein."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.84 to $11.10, inclusive."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001628280-24-038546","document":"wk-form4_1724791202.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024038546/wk-form4_1724791202.xml","form_type":"4"}},{"id":1422626,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-08-27T20:40:11.000Z","date":"2024-08-23","kind":"grant","planned":false,"acquired":true,"shares":7500,"ownership":{"direct":false,"nature":"By Aere Perennius, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Issuer issued 7,500 shares of Class A common stock of the Issuer to Aere Perennius, LLC, pursuant to a redemption on a one-for-one basis of 7,500 shares of Class B common stock of Mirion IntermediateCo, Inc. held by Aere Perennius, LLC, effectuated pursuant to a 10b5-1 plan adopted by Aere Perennius, LLC on February 27, 2024. In connection with such redemption the Issuer canceled 7,500 shares of Class B common stock of the Issuer held by Aere Perennius, LLC."}],"balance_after":7500,"source":{"system":"sec-edgar","filing":"0001628280-24-038546","document":"wk-form4_1724791202.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024038546/wk-form4_1724791202.xml","form_type":"4"}},{"id":1422625,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class B Common Stock","published_at":"2024-08-27T20:40:11.000Z","date":"2024-08-23","kind":"exercise","planned":false,"acquired":false,"shares":7500,"ownership":{"direct":false,"nature":"By Aere Perennius, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Issuer issued 7,500 shares of Class A common stock of the Issuer to Aere Perennius, LLC, pursuant to a redemption on a one-for-one basis of 7,500 shares of Class B common stock of Mirion IntermediateCo, Inc. held by Aere Perennius, LLC, effectuated pursuant to a 10b5-1 plan adopted by Aere Perennius, LLC on February 27, 2024. In connection with such redemption the Issuer canceled 7,500 shares of Class B common stock of the Issuer held by Aere Perennius, LLC."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B common stock of the Issuer which are held of record by Aere Perennius, LLC., a limited liability company which holds interests in trusts established for the benefit of Mr. Logan's adult children. Mary Logan Martineau, formerly known as Mary Hancock Logan, as Investment Trustee has sole voting and dispositive power of the shares of Class B common stock held by Aere Perennius, LLC. Shares of Class B common stock may be exchanged for shares of Class A common stock of the Issuer on a one-for-one basis following a request for redemption by the holder. The Reporting Person disclaims ownership of these shares except to the extent of his pecuniary interest therein."}],"balance_after":2566371,"source":{"system":"sec-edgar","filing":"0001628280-24-038546","document":"wk-form4_1724791202.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024038546/wk-form4_1724791202.xml","form_type":"4"}},{"id":1448377,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-07-26T12:34:30.000Z","date":"2024-07-24","kind":"sale","planned":false,"acquired":false,"shares":7500,"price":10.8671,"value":81503.25,"ownership":{"direct":false,"nature":"By Aere Perennius, LLC"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan adopted by Aere Perennius, LLC, a limited liability company which holds interests in trusts established for the benefit of the reporting person's adult children on February 27, 2024. Mary Logan Martineau as Investment Trustee has sole voting and dispositive power of the shares of Class B common stock held by Aere Perennius, LLC, and any Class A common stock that may be received in exchange for Class B common stock following a request for redemption. The Reporting Person disclaims ownership of all such shares except to the extent of his pecuniary interest therein."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.69 to $11.03, inclusive."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001628280-24-033070","document":"wk-form4_1721997264.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024033070/wk-form4_1721997264.xml","form_type":"4"}},{"id":1448376,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-07-26T12:34:30.000Z","date":"2024-07-24","kind":"grant","planned":false,"acquired":true,"shares":7500,"ownership":{"direct":false,"nature":"By Aere Perennius, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Issuer issued 7,500 shares of Class A common stock of the Issuer to Aere Perennius, LLC, pursuant to a redemption on a one-for-one basis of 7,500 shares of Class B common stock of Mirion IntermediateCo, Inc. held by Aere Perennius, LLC, effectuated pursuant to a 10b5-1 plan adopted by Aere Perennius, LLC on February 27, 2024. In connection with such redemption the Issuer canceled 7,500 shares of Class B common stock of the Issuer held by Aere Perennius, LLC."}],"balance_after":7500,"source":{"system":"sec-edgar","filing":"0001628280-24-033070","document":"wk-form4_1721997264.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024033070/wk-form4_1721997264.xml","form_type":"4"}},{"id":1448375,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class B Common Stock","published_at":"2024-07-26T12:34:30.000Z","date":"2024-07-24","kind":"exercise","planned":false,"acquired":false,"shares":7500,"ownership":{"direct":false,"nature":"By Aere Perennius, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Issuer issued 7,500 shares of Class A common stock of the Issuer to Aere Perennius, LLC, pursuant to a redemption on a one-for-one basis of 7,500 shares of Class B common stock of Mirion IntermediateCo, Inc. held by Aere Perennius, LLC, effectuated pursuant to a 10b5-1 plan adopted by Aere Perennius, LLC on February 27, 2024. In connection with such redemption the Issuer canceled 7,500 shares of Class B common stock of the Issuer held by Aere Perennius, LLC."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B common stock of the Issuer which are held of record by Aere Perennius, LLC., a limited liability company which holds interests in trusts established for the benefit of Mr. Logan's adult children. Mary Logan Martineau, formerly known as Mary Hancock Logan, as Investment Trustee has sole voting and dispositive power of the shares of Class B common stock held by Aere Perennius, LLC. Shares of Class B common stock may be exchanged for shares of Class A common stock of the Issuer on a one-for-one basis following a request for redemption by the holder. The Reporting Person disclaims ownership of these shares except to the extent of his pecuniary interest therein."}],"balance_after":2573871,"source":{"system":"sec-edgar","filing":"0001628280-24-033070","document":"wk-form4_1721997264.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024033070/wk-form4_1721997264.xml","form_type":"4"}},{"id":1470052,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-06-25T20:18:55.000Z","date":"2024-06-24","kind":"sale","planned":true,"acquired":false,"shares":7500,"price":10.89,"value":81675.0,"ownership":{"direct":false,"nature":"By Aere Perennius, LLC"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan adopted by Aere Perennius, LLC, a limited liability company which holds interests in trusts established for the benefit of the reporting person's adult children on February 27, 2024. Mary Logan Martineau as Investment Trustee has sole voting and dispositive power of the shares of Class B common stock held by Aere Perennius, LLC, and any Class A common stock that may be received in exchange for Class B common stock following a request for redemption. The Reporting Person disclaims ownership of all such shares except to the extent of his pecuniary interest therein."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.80 to $10.93, inclusive."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001628280-24-029901","document":"wk-form4_1719346728.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024029901/wk-form4_1719346728.xml","form_type":"4"}},{"id":1470051,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-06-25T20:18:55.000Z","date":"2024-06-24","kind":"grant","planned":true,"acquired":true,"shares":7500,"ownership":{"direct":false,"nature":"By Aere Perennius, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Issuer issued 7,500 shares of Class A common stock of the Issuer to Aere Perennius, LLC, pursuant to a redemption on a one-for-one basis of 7,500 shares of Class B common stock of Mirion IntermediateCo, Inc. held by Aere Perennius, LLC, effectuated pursuant to a 10b5-1 plan adopted by Aere Perennius, LLC on February 27, 2024. In connection with such redemption the Issuer canceled 7,500 shares of Class B common stock of the Issuer held by Aere Perennius, LLC."}],"balance_after":7500,"source":{"system":"sec-edgar","filing":"0001628280-24-029901","document":"wk-form4_1719346728.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024029901/wk-form4_1719346728.xml","form_type":"4"}},{"id":1470050,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class B Common Stock","published_at":"2024-06-25T20:18:55.000Z","date":"2024-06-24","kind":"exercise","planned":true,"acquired":false,"shares":7500,"ownership":{"direct":false,"nature":"By Aere Perennius, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Issuer issued 7,500 shares of Class A common stock of the Issuer to Aere Perennius, LLC, pursuant to a redemption on a one-for-one basis of 7,500 shares of Class B common stock of Mirion IntermediateCo, Inc. held by Aere Perennius, LLC, effectuated pursuant to a 10b5-1 plan adopted by Aere Perennius, LLC on February 27, 2024. In connection with such redemption the Issuer canceled 7,500 shares of Class B common stock of the Issuer held by Aere Perennius, LLC."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B common stock of the Issuer which are held of record by Aere Perennius, LLC., a limited liability company which holds interests in trusts established for the benefit of Mr. Logan's adult children. Mary Logan Martineau, formerly known as Mary Hancock Logan, as Investment Trustee has sole voting and dispositive power of the shares of Class B common stock held by Aere Perennius, LLC. Shares of Class B common stock may be exchanged for shares of Class A common stock of the Issuer on a one-for-one basis following a request for redemption by the holder. The Reporting Person disclaims ownership of these shares except to the extent of his pecuniary interest therein."}],"balance_after":2581371,"source":{"system":"sec-edgar","filing":"0001628280-24-029901","document":"wk-form4_1719346728.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024029901/wk-form4_1719346728.xml","form_type":"4"}},{"id":1498517,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-05-30T20:25:38.000Z","date":"2024-05-28","kind":"sale","planned":true,"acquired":false,"shares":7500,"price":10.86,"value":81450.0,"ownership":{"direct":false,"nature":"By Aere Perennius, LLC"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan adopted by Aere Perennius, LLC, a limited liability company which holds interests in trusts established for the benefit of the reporting person's adult children on February 27, 2024. Mary Logan Martineau as Investment Trustee has sole voting and dispositive power of the shares of Class B common stock held by Aere Perennius, LLC, and any Class A common stock that may be received in exchange for Class B common stock following a request for redemption.  The Reporting Person disclaims ownership of all such shares except to the extent of his pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001628280-24-025809","document":"wk-form4_1717100438.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024025809/wk-form4_1717100438.xml","form_type":"4"}},{"id":1498516,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-05-30T20:25:38.000Z","date":"2024-05-28","kind":"grant","planned":true,"acquired":true,"shares":7500,"ownership":{"direct":false,"nature":"By Aere Perennius, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Issuer issued 7,500 shares of Class A common stock of the Issuer to Aere Perennius, LLC, pursuant to a redemption on a one-for-one basis of 7,500 shares of Class B common stock of Mirion IntermediateCo, Inc. held by Aere Perennius, LLC, effectuated pursuant to a 10b5-1 plan adopted by Aere Perennius, LLC on February 27, 2024. In connection with such redemption the Issuer canceled 7,500 shares of Class B common stock of the Issuer held by Aere Perennius, LLC."}],"balance_after":7500,"source":{"system":"sec-edgar","filing":"0001628280-24-025809","document":"wk-form4_1717100438.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024025809/wk-form4_1717100438.xml","form_type":"4"}},{"id":1498515,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class B Common Stock","published_at":"2024-05-30T20:25:38.000Z","date":"2024-05-28","kind":"exercise","planned":true,"acquired":false,"shares":7500,"ownership":{"direct":false,"nature":"By Aere Perennius, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Issuer issued 7,500 shares of Class A common stock of the Issuer to Aere Perennius, LLC, pursuant to a redemption on a one-for-one basis of 7,500 shares of Class B common stock of Mirion IntermediateCo, Inc. held by Aere Perennius, LLC, effectuated pursuant to a 10b5-1 plan adopted by Aere Perennius, LLC on February 27, 2024. In connection with such redemption the Issuer canceled 7,500 shares of Class B common stock of the Issuer held by Aere Perennius, LLC."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Reflects shares of Class B common stock of the Issuer which are held of record by Aere Perennius, LLC., a limited liability company which holds interests in trusts established for the benefit of Mr. Logan's adult children. Mary Logan Martineau, formerly known as Mary Hancock Logan, as Investment Trustee has sole voting and dispositive power of the shares of Class B common stock held by Aere Perennius, LLC. Shares of Class B common stock may be exchanged for shares of Class A common stock of the Issuer on a one-for-one basis following a request for redemption by the holder. The Reporting Person disclaims ownership of these shares except to the extent of his pecuniary interest therein."}],"balance_after":2588871,"source":{"system":"sec-edgar","filing":"0001628280-24-025809","document":"wk-form4_1717100438.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024025809/wk-form4_1717100438.xml","form_type":"4"}},{"id":1551724,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-04-03T20:33:31.000Z","date":"2024-04-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":56098,"price":11.37,"value":637834.26,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"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."}],"balance_after":755790,"source":{"system":"sec-edgar","filing":"0001628280-24-014603","document":"wk-form4_1712176393.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024014603/wk-form4_1712176393.xml","form_type":"4"}},{"id":1600345,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2024-03-05T22:24:46.000Z","date":"2024-03-01","kind":"grant","planned":false,"acquired":true,"shares":156626,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"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."}],"balance_after":811888,"source":{"system":"sec-edgar","filing":"0001628280-24-009042","document":"wk-form4_1709677472.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828024009042/wk-form4_1709677472.xml","form_type":"4"}},{"id":1699101,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2023-12-28T23:05:19.000Z","date":"2023-12-27","kind":"tax_withholding","planned":false,"acquired":false,"shares":47309,"price":10.45,"value":494379.05,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"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."}],"balance_after":655262,"source":{"system":"sec-edgar","filing":"0001628280-23-042834","document":"wk-form4_1703804708.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828023042834/wk-form4_1703804708.xml","form_type":"4"}},{"id":1930795,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2023-04-04T21:29:09.000Z","date":"2023-04-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":36862,"price":8.54,"value":314801.48,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"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."}],"balance_after":702571,"source":{"system":"sec-edgar","filing":"0001628280-23-010713","document":"wf-form4_168064373266431.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828023010713/wf-form4_168064373266431.xml","form_type":"4"}},{"id":1934543,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2023-03-31T20:27:21.000Z","date":"2023-03-29","kind":"grant","planned":false,"acquired":true,"shares":167701,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Holdings have been revised to correct a transposition error in a Form 4 filed by the Reporting Person on April 5, 2022 (223,408 shares of Class A common stock acquired should have been 223,048) and subsequently in the holdings reported on a Form 4 filed by the Reporting Person on December 28, 2022 (572,092 shares of Class A common stock should have been 571,732).\""}],"balance_after":739433,"source":{"system":"sec-edgar","filing":"0001628280-23-010173","document":"wf-form4_168029442377015.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828023010173/wf-form4_168029442377015.xml","form_type":"4"}},{"id":2075826,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2022-12-28T22:04:01.000Z","date":"2022-12-27","kind":"tax_withholding","acquired":false,"shares":32995,"price":6.49,"value":214137.55,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"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."}],"balance_after":572092,"source":{"system":"sec-edgar","filing":"0001628280-22-032644","document":"wf-form4_167226502393517.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828022032644/wf-form4_167226502393517.xml","form_type":"4"}},{"id":2306238,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2022-04-05T22:39:11.000Z","date":"2022-04-01","kind":"grant","acquired":true,"shares":223408,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units that will vest in four equal annual installments subject to the Reporting Person's continued employment through each vesting date."}],"balance_after":2149104,"source":{"system":"sec-edgar","filing":"0000950103-22-006052","document":"dp170696_4-logan.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000095010322006052/dp170696_4-logan.xml","form_type":"4"}},{"id":2457495,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2021-12-29T22:16:49.000Z","date":"2021-12-27","kind":"grant","acquired":true,"shares":381679,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units that will vest in four equal annual installments subject to the Reporting Person's continued employment through each vesting date."}],"balance_after":1925696,"source":{"system":"sec-edgar","filing":"0000950103-21-020498","document":"dp164368_4-logan.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000095010321020498/dp164368_4-logan.xml","form_type":"4"}},{"id":2536937,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2021-10-23T00:40:28.000Z","date":"2021-10-20","kind":"grant","acquired":true,"shares":865461,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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\"."},{"field":"kind","element":"transactionCoding","label":"F2","text":"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."},{"field":"kind","element":"transactionCoding","label":"F6","text":"Reflects shares of Common Stock acquired pursuant to the Business Combination Agreement, which are held of record by the J.P. Morgan Trust Company of Delaware in its capacity as Trustee of the Thomas Darrell Logan, Jr. GST Exempt Trust (the \"T. Logan Trust\"). Member(s) of the Reporting Person's immediate family are holders of the T. Logan Trust, and the Reporting Person may be deemed to exercise voting and investment power over such shares of Common Stock; however, the J.P. Morgan Trust Company of Delaware in its capacity as Trustee of T. Logan Trust has sole voting and dispositive power over the shares of Common Stock held thereby. The Reporting Person disclaims ownership of these shares of Common Stock except to the extent of his pecuniary interest therein."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"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\"."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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."}],"balance_after":865461,"source":{"system":"sec-edgar","filing":"0000950103-21-016338","document":"dp160254_4-logan.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000095010321016338/dp160254_4-logan.xml","form_type":"4"}},{"id":2536936,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2021-10-23T00:40:28.000Z","date":"2021-10-20","kind":"grant","acquired":true,"shares":865455,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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\"."},{"field":"kind","element":"transactionCoding","label":"F2","text":"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."},{"field":"kind","element":"transactionCoding","label":"F5","text":"Reflects shares of Common Stock acquired pursuant to the Business Combination Agreement, which are held of record by the J.P. Morgan Trust Company of Delaware in its capacity as Trustee of the Alison Paige Logan GST Exempt Trust (the \"A. Logan Trust\"). Member(s) of the Reporting Person's immediate family are holders of the A. Logan Trust, and the Reporting Person may be deemed to exercise voting and investment power over such shares of Common Stock; however, the J.P. Morgan Trust Company of Delaware in its capacity as Trustee of A. Logan Trust has sole voting and dispositive power over the shares of Common Stock held thereby. The Reporting Person disclaims ownership of these shares of Common Stock except to the extent of his pecuniary interest therein."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"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\"."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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."}],"balance_after":865455,"source":{"system":"sec-edgar","filing":"0000950103-21-016338","document":"dp160254_4-logan.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000095010321016338/dp160254_4-logan.xml","form_type":"4"}},{"id":2536935,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2021-10-23T00:40:28.000Z","date":"2021-10-20","kind":"grant","acquired":true,"shares":865455,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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\"."},{"field":"kind","element":"transactionCoding","label":"F2","text":"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."},{"field":"kind","element":"transactionCoding","label":"F4","text":"Reflects shares of Common Stock acquired pursuant to the Business Combination Agreement, which are held of record by the J.P. Morgan Trust Company of Delaware in its capacity as Trustee of the Mary Hancock Logan GST Exempt Trust (the \"M. Logan Trust\"). Member(s) of the Reporting Person's immediate family are holders of the M. Logan Trust, and the Reporting Person may be deemed to exercise voting and investment power over such shares of Common Stock; however, the J.P. Morgan Trust Company of Delaware in its capacity as Trustee of M. Logan Trust has sole voting and dispositive power over the shares of Common Stock held thereby. The Reporting Person disclaims ownership of these shares of Common Stock except to the extent of his pecuniary interest therein."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"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\"."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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."}],"balance_after":865455,"source":{"system":"sec-edgar","filing":"0000950103-21-016338","document":"dp160254_4-logan.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000095010321016338/dp160254_4-logan.xml","form_type":"4"}},{"id":2536934,"issuer":{"id":394,"kind":"organization","name":"Mirion Technologies, Inc.","symbol":"MIR"},"owners":[{"id":49249,"kind":"person","name":"Logan Thomas D","position":1,"cik":"0001486259","reported_name":"Logan Thomas D","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2021-10-23T00:40:28.000Z","date":"2021-10-20","kind":"grant","acquired":true,"shares":1544017,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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\"."},{"field":"kind","element":"transactionCoding","label":"F2","text":"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."},{"field":"kind","element":"transactionCoding","label":"F3","text":"Reflects shares of Common Stock acquired by the Reporting Person pursuant to the Business Combination Agreement."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"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\"."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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."}],"balance_after":1544017,"source":{"system":"sec-edgar","filing":"0000950103-21-016338","document":"dp160254_4-logan.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1809987/000095010321016338/dp160254_4-logan.xml","form_type":"4"}}]}