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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."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001127602-21-007205","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760221007205/form4.xml","form_type":"4"}},{"id":2840110,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common Stock","published_at":"2021-02-23T16:16:23.000Z","date":"2021-02-19","kind":"sale","acquired":false,"shares":1400,"price":291.8271,"value":408557.94,"ownership":{"direct":false,"nature":"By Spouse"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $291.28 to $291.96. 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":1149,"source":{"system":"sec-edgar","filing":"0001127602-21-007205","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760221007205/form4.xml","form_type":"4"}},{"id":2840109,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common Stock","published_at":"2021-02-23T16:16:23.000Z","date":"2021-02-19","kind":"sale","acquired":false,"shares":6107,"price":290.0263,"value":1771190.6141,"ownership":{"direct":false,"nature":"By Spouse"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades at prices ranging from $290.00 to $290.20. 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":2549,"source":{"system":"sec-edgar","filing":"0001127602-21-007205","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760221007205/form4.xml","form_type":"4"}},{"id":2886397,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common 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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."}],"balance_after":15767,"source":{"system":"sec-edgar","filing":"0001127602-21-000746","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760221000746/form4.xml","form_type":"4"}},{"id":2921896,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common Stock","published_at":"2021-01-05T22:21:04.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":310,"price":253.8827,"value":78703.637,"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":"F12","text":"This transaction was executed in multiple trades at prices ranging from $253.41 to $253.94. 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":15878,"source":{"system":"sec-edgar","filing":"0001127602-21-000746","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760221000746/form4.xml","form_type":"4"}},{"id":2921895,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common Stock","published_at":"2021-01-05T22:21:04.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":303,"price":252.9906,"value":76656.1518,"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":"F11","text":"This transaction was executed in multiple trades at prices ranging from $252.57 to $253.09. 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":16188,"source":{"system":"sec-edgar","filing":"0001127602-21-000746","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760221000746/form4.xml","form_type":"4"}},{"id":2921894,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common Stock","published_at":"2021-01-05T22:21:04.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":426,"price":251.9031,"value":107310.7206,"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 $251.50 to $252.33. 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":16491,"source":{"system":"sec-edgar","filing":"0001127602-21-000746","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760221000746/form4.xml","form_type":"4"}},{"id":2921893,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common Stock","published_at":"2021-01-05T22:21:04.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":133,"price":250.8663,"value":33365.2179,"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 $250.8 to $250.87 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":16917,"source":{"system":"sec-edgar","filing":"0001127602-21-000746","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760221000746/form4.xml","form_type":"4"}},{"id":2921892,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common Stock","published_at":"2021-01-05T22:21:04.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":531,"price":249.9702,"value":132734.1762,"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 $249.46 to $250.19. 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":17050,"source":{"system":"sec-edgar","filing":"0001127602-21-000746","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760221000746/form4.xml","form_type":"4"}},{"id":2921891,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common Stock","published_at":"2021-01-05T22:21:04.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":935,"price":248.8359,"value":232661.5665,"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 $248.49 to $249.25. 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":17581,"source":{"system":"sec-edgar","filing":"0001127602-21-000746","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760221000746/form4.xml","form_type":"4"}},{"id":2921890,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common Stock","published_at":"2021-01-05T22:21:04.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":756,"price":247.8921,"value":187406.4276,"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 $247.41 to $248.34. 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":18516,"source":{"system":"sec-edgar","filing":"0001127602-21-000746","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760221000746/form4.xml","form_type":"4"}},{"id":2921889,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common Stock","published_at":"2021-01-05T22:21:04.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":535,"price":246.7615,"value":132017.4025,"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 $246.39 to $247.33. 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":19272,"source":{"system":"sec-edgar","filing":"0001127602-21-000746","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760221000746/form4.xml","form_type":"4"}},{"id":2921888,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common Stock","published_at":"2021-01-05T22:21:04.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":264,"price":245.5689,"value":64830.1896,"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 $245.46 to $246.195. 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":19807,"source":{"system":"sec-edgar","filing":"0001127602-21-000746","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760221000746/form4.xml","form_type":"4"}},{"id":2921887,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common Stock","published_at":"2021-01-05T22:21:04.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":165,"price":244.9429,"value":40415.5785,"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 $244.69 to $245.08. 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":20071,"source":{"system":"sec-edgar","filing":"0001127602-21-000746","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760221000746/form4.xml","form_type":"4"}},{"id":2921886,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common Stock","published_at":"2021-01-05T22:21:04.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":531,"price":243.7054,"value":129407.5674,"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 $243.365 to $244.265. 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":20236,"source":{"system":"sec-edgar","filing":"0001127602-21-000746","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760221000746/form4.xml","form_type":"4"}},{"id":3063771,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Stock Options (Right to Buy)","published_at":"2020-08-10T20:18:27.000Z","date":"2020-08-07","kind":"exercise","acquired":false,"shares":3304,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":9914,"derivative":{"exercise_price":144.67,"exercise_date":"2020-02-22","expiration_date":"2024-02-22","underlying":"Common Stock","underlying_shares":3304},"source":{"system":"sec-edgar","filing":"0001127602-20-023248","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760220023248/form4.xml","form_type":"4"}},{"id":3063770,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common Stock","published_at":"2020-08-10T20:18:27.000Z","date":"2020-08-07","kind":"sale","acquired":false,"shares":1007,"price":216.8165,"value":218334.2155,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $216.72 to $216.93. 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":20767,"source":{"system":"sec-edgar","filing":"0001127602-20-023248","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760220023248/form4.xml","form_type":"4"}},{"id":3063769,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common Stock","published_at":"2020-08-10T20:18:27.000Z","date":"2020-08-07","kind":"sale","acquired":false,"shares":2297,"price":216.4169,"value":497109.6193,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades at prices ranging from $215.72 to $216.65. 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":21774,"source":{"system":"sec-edgar","filing":"0001127602-20-023248","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760220023248/form4.xml","form_type":"4"}},{"id":3063768,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common 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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."}],"balance_after":20475,"source":{"system":"sec-edgar","filing":"0001127602-20-008104","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760220008104/form4.xml","form_type":"4"}},{"id":3244302,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common Stock","published_at":"2020-02-27T19:48:44.000Z","date":"2020-02-26","kind":"sale","acquired":false,"shares":657,"price":163.378,"value":107339.346,"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 $162.85 to $163.825. 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":21213,"source":{"system":"sec-edgar","filing":"0001127602-20-008104","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760220008104/form4.xml","form_type":"4"}},{"id":3244301,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common Stock","published_at":"2020-02-27T19:48:44.000Z","date":"2020-02-26","kind":"sale","acquired":false,"shares":1027,"price":162.2722,"value":166653.5494,"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 $161.98 to $162.79. 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":21870,"source":{"system":"sec-edgar","filing":"0001127602-20-008104","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760220008104/form4.xml","form_type":"4"}},{"id":3244300,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common Stock","published_at":"2020-02-27T19:48:44.000Z","date":"2020-02-26","kind":"sale","acquired":false,"shares":898,"price":161.5755,"value":145094.799,"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 $161.125 to $161.85. 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":22897,"source":{"system":"sec-edgar","filing":"0001127602-20-008104","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760220008104/form4.xml","form_type":"4"}},{"id":3244299,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common Stock","published_at":"2020-02-27T19:48:44.000Z","date":"2020-02-26","kind":"sale","acquired":false,"shares":868,"price":160.4509,"value":139271.3812,"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 $159.87 to $160.85. 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":23795,"source":{"system":"sec-edgar","filing":"0001127602-20-008104","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760220008104/form4.xml","form_type":"4"}},{"id":3244298,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common 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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."}],"balance_after":20854,"source":{"system":"sec-edgar","filing":"0001127602-20-007487","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760220007487/form4.xml","form_type":"4"}},{"id":3249836,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":26147,"kind":"person","name":"Smith David Ross","position":1,"cik":"0001650274","reported_name":"Smith David Ross","relationship":{"officer":true,"officer_title":"Corporate Executive VP & CFO"}}],"security":"Common Stock","published_at":"2020-02-25T16:29:11.000Z","date":"2020-02-24","kind":"sale","acquired":false,"shares":985,"price":167.4942,"value":164981.787,"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 $167.22 to $167.99. The price reported above reflects the weighted average sale price. 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