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The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This sale occurred pursuant to a Rule 10b5-1 Trading Plan that was initially adopted on February 23, 2023."}],"balance_after":5280,"source":{"system":"sec-edgar","filing":"0001127602-24-005831","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760224005831/form4.xml","form_type":"4"}},{"id":1634844,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":21333,"kind":"person","name":"Parisotto Shannon M","position":1,"cik":"0001952784","reported_name":"Parisotto Shannon M","relationship":{"officer":true,"officer_title":"CEVP, Disc & Safety Assessment"}}],"security":"Common Stock","published_at":"2024-02-20T22:32:42.000Z","date":"2024-02-15","kind":"sale","planned":true,"acquired":false,"shares":1290,"price":239.28,"value":308671.2,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $238.73 to $239.68. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This sale occurred pursuant to a Rule 10b5-1 Trading Plan that was initially adopted on February 23, 2023."}],"balance_after":6897,"source":{"system":"sec-edgar","filing":"0001127602-24-005831","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760224005831/form4.xml","form_type":"4"}},{"id":1634843,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":21333,"kind":"person","name":"Parisotto Shannon M","position":1,"cik":"0001952784","reported_name":"Parisotto Shannon M","relationship":{"officer":true,"officer_title":"CEVP, Disc & Safety Assessment"}}],"security":"Common Stock","published_at":"2024-02-20T22:32:42.000Z","date":"2024-02-15","kind":"sale","planned":true,"acquired":false,"shares":291,"price":237.2,"value":69025.2,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $236.71 to $237.56. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This sale occurred pursuant to a Rule 10b5-1 Trading Plan that was initially adopted on February 23, 2023."}],"balance_after":8187,"source":{"system":"sec-edgar","filing":"0001127602-24-005831","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760224005831/form4.xml","form_type":"4"}},{"id":1665550,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":21333,"kind":"person","name":"Parisotto Shannon M","position":1,"cik":"0001952784","reported_name":"Parisotto Shannon M","relationship":{"officer":true,"officer_title":"CEVP, Disc & Safety Assessment"}}],"security":"Common 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Buy)","published_at":"2023-02-21T22:39:18.000Z","date":"2023-02-16","kind":"exercise","acquired":false,"shares":4558,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":109.34,"exercise_date":"2019-02-23","expiration_date":"2023-02-23","underlying":"Common Stock","underlying_shares":4558},"source":{"system":"sec-edgar","filing":"0001127602-23-006261","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223006261/form4.xml","form_type":"4"}},{"id":2004229,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":21333,"kind":"person","name":"Parisotto Shannon M","position":1,"cik":"0001952784","reported_name":"Parisotto Shannon M","relationship":{"officer":true,"officer_title":"CEVP, Disc & Safety Assessment"}}],"security":"Common Stock","published_at":"2023-02-21T22:39:18.000Z","date":"2023-02-16","kind":"sale","acquired":false,"shares":155,"price":257.052,"value":39843.06,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale occurred pursuant to a 10b5-1 Trading Plan."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"This transaction was executed in multiple trades at prices ranging from $257.015 to $257.085. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":6010,"source":{"system":"sec-edgar","filing":"0001127602-23-006261","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223006261/form4.xml","form_type":"4"}},{"id":2004228,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":21333,"kind":"person","name":"Parisotto Shannon M","position":1,"cik":"0001952784","reported_name":"Parisotto Shannon M","relationship":{"officer":true,"officer_title":"CEVP, Disc & Safety Assessment"}}],"security":"Common Stock","published_at":"2023-02-21T22:39:18.000Z","date":"2023-02-16","kind":"sale","acquired":false,"shares":994,"price":256.1991,"value":254661.9054,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale occurred pursuant to a 10b5-1 Trading Plan."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"This transaction was executed in multiple trades at prices ranging from $255.92 to $256.605. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":6165,"source":{"system":"sec-edgar","filing":"0001127602-23-006261","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223006261/form4.xml","form_type":"4"}},{"id":2004227,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":21333,"kind":"person","name":"Parisotto Shannon M","position":1,"cik":"0001952784","reported_name":"Parisotto Shannon M","relationship":{"officer":true,"officer_title":"CEVP, Disc & Safety Assessment"}}],"security":"Common Stock","published_at":"2023-02-21T22:39:18.000Z","date":"2023-02-16","kind":"sale","acquired":false,"shares":1674,"price":255.4787,"value":427671.3438,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale occurred pursuant to a 10b5-1 Trading Plan."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"This transaction was executed in multiple trades at prices ranging from $254.955 to $255.9. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":7159,"source":{"system":"sec-edgar","filing":"0001127602-23-006261","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223006261/form4.xml","form_type":"4"}},{"id":2004226,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":21333,"kind":"person","name":"Parisotto Shannon M","position":1,"cik":"0001952784","reported_name":"Parisotto Shannon M","relationship":{"officer":true,"officer_title":"CEVP, Disc & Safety Assessment"}}],"security":"Common Stock","published_at":"2023-02-21T22:39:18.000Z","date":"2023-02-16","kind":"sale","acquired":false,"shares":533,"price":254.2232,"value":135500.9656,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale occurred pursuant to a 10b5-1 Trading Plan."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"This transaction was executed in multiple trades at prices ranging from $253.915 to $254.55. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":8833,"source":{"system":"sec-edgar","filing":"0001127602-23-006261","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223006261/form4.xml","form_type":"4"}},{"id":2004225,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":21333,"kind":"person","name":"Parisotto Shannon M","position":1,"cik":"0001952784","reported_name":"Parisotto Shannon M","relationship":{"officer":true,"officer_title":"CEVP, Disc & Safety Assessment"}}],"security":"Common Stock","published_at":"2023-02-21T22:39:18.000Z","date":"2023-02-16","kind":"sale","acquired":false,"shares":451,"price":253.4193,"value":114292.1043,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale occurred pursuant to a 10b5-1 Trading Plan."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"This transaction was executed in multiple trades at prices ranging from $252.99 to $253.895. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":9366,"source":{"system":"sec-edgar","filing":"0001127602-23-006261","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223006261/form4.xml","form_type":"4"}},{"id":2004224,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":21333,"kind":"person","name":"Parisotto Shannon M","position":1,"cik":"0001952784","reported_name":"Parisotto Shannon M","relationship":{"officer":true,"officer_title":"CEVP, Disc & Safety Assessment"}}],"security":"Common Stock","published_at":"2023-02-21T22:39:18.000Z","date":"2023-02-16","kind":"sale","acquired":false,"shares":264,"price":252.2777,"value":66601.3128,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale occurred pursuant to a 10b5-1 Trading Plan."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This transaction was executed in multiple trades at prices ranging from $252.155 to $252.72. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":9817,"source":{"system":"sec-edgar","filing":"0001127602-23-006261","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223006261/form4.xml","form_type":"4"}},{"id":2004223,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":21333,"kind":"person","name":"Parisotto Shannon M","position":1,"cik":"0001952784","reported_name":"Parisotto Shannon M","relationship":{"officer":true,"officer_title":"CEVP, Disc & Safety Assessment"}}],"security":"Common Stock","published_at":"2023-02-21T22:39:18.000Z","date":"2023-02-16","kind":"sale","acquired":false,"shares":19,"price":251.525,"value":4778.975,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale occurred pursuant to a 10b5-1 Trading Plan."}],"balance_after":10081,"source":{"system":"sec-edgar","filing":"0001127602-23-006261","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223006261/form4.xml","form_type":"4"}},{"id":2004222,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":21333,"kind":"person","name":"Parisotto Shannon M","position":1,"cik":"0001952784","reported_name":"Parisotto Shannon M","relationship":{"officer":true,"officer_title":"CEVP, Disc & Safety Assessment"}}],"security":"Common Stock","published_at":"2023-02-21T22:39:18.000Z","date":"2023-02-16","kind":"sale","acquired":false,"shares":158,"price":250.5584,"value":39588.2272,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale occurred pursuant to a 10b5-1 Trading Plan."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction was executed in multiple trades at prices ranging from $250.195 to $250.69. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":10100,"source":{"system":"sec-edgar","filing":"0001127602-23-006261","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223006261/form4.xml","form_type":"4"}},{"id":2004221,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":21333,"kind":"person","name":"Parisotto Shannon M","position":1,"cik":"0001952784","reported_name":"Parisotto Shannon M","relationship":{"officer":true,"officer_title":"CEVP, Disc & Safety Assessment"}}],"security":"Common Stock","published_at":"2023-02-21T22:39:18.000Z","date":"2023-02-16","kind":"sale","acquired":false,"shares":194,"price":248.1594,"value":48142.9236,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale occurred pursuant to a 10b5-1 Trading Plan."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $248.05 to $248.19. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":10258,"source":{"system":"sec-edgar","filing":"0001127602-23-006261","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223006261/form4.xml","form_type":"4"}},{"id":2004220,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":21333,"kind":"person","name":"Parisotto Shannon M","position":1,"cik":"0001952784","reported_name":"Parisotto Shannon M","relationship":{"officer":true,"officer_title":"CEVP, Disc & Safety Assessment"}}],"security":"Common Stock","published_at":"2023-02-21T22:39:18.000Z","date":"2023-02-16","kind":"sale","acquired":false,"shares":116,"price":246.0172,"value":28537.9952,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale occurred pursuant to a 10b5-1 Trading Plan."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $245.91 to $246.54. The price reported above reflects the weighted average sale price. 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