{"transactions":[{"id":674079,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true}}],"security":"Stock Options (Right to Buy)","published_at":"2026-08-27T20:21:29.000Z","date":"2026-08-25","kind":"exercise","planned":true,"acquired":false,"shares":12429,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":12429,"derivative":{"exercise_price":208.44,"exercise_date":"2025-05-31","expiration_date":"2034-05-31","underlying":"Common Stock","underlying_shares":12429},"source":{"system":"sec-edgar","filing":"0001100682-26-000140","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000140/form4.xml","form_type":"4"}},{"id":674078,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true}}],"security":"Stock Options (Right to Buy)","published_at":"2026-08-27T20:21:29.000Z","date":"2026-08-25","kind":"exercise","planned":true,"acquired":false,"shares":21132,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":7044,"derivative":{"exercise_price":194.12,"exercise_date":"2024-05-26","expiration_date":"2033-05-26","underlying":"Common Stock","underlying_shares":21132},"source":{"system":"sec-edgar","filing":"0001100682-26-000140","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000140/form4.xml","form_type":"4"}},{"id":674077,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-08-27T20:21:29.000Z","date":"2026-08-25","kind":"sale","planned":true,"acquired":false,"shares":33561,"price":300,"value":10068300.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This exercise and sale occurred pursuant to a Rule 10b5-1 Trading Plan that was initially adopted on March 6, 2026."}],"balance_after":31596,"source":{"system":"sec-edgar","filing":"0001100682-26-000140","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000140/form4.xml","form_type":"4"}},{"id":674076,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-08-27T20:21:29.000Z","date":"2026-08-25","kind":"exercise","planned":true,"acquired":true,"shares":12429,"price":208.44,"value":2590700.76,"ownership":{"direct":true},"balance_after":65157,"source":{"system":"sec-edgar","filing":"0001100682-26-000140","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000140/form4.xml","form_type":"4"}},{"id":674075,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-08-27T20:21:29.000Z","date":"2026-08-25","kind":"exercise","planned":true,"acquired":true,"shares":21132,"price":194.12,"value":4102143.84,"ownership":{"direct":true},"balance_after":52728,"source":{"system":"sec-edgar","filing":"0001100682-26-000140","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000140/form4.xml","form_type":"4"}},{"id":691188,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true}}],"security":"Stock Options (Right to Buy)","published_at":"2026-08-11T20:35:50.000Z","date":"2026-08-10","kind":"exercise","planned":true,"acquired":false,"shares":28733,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":179.66,"exercise_date":"2021-05-29","expiration_date":"2030-05-29","underlying":"Common Stock","underlying_shares":28733},"source":{"system":"sec-edgar","filing":"0001100682-26-000126","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000126/form4.xml","form_type":"4"}},{"id":691187,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-08-11T20:35:50.000Z","date":"2026-08-10","kind":"sale","planned":true,"acquired":false,"shares":28733,"price":275,"value":7901575.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This exercise and sale occurred pursuant to a Rule 10b5-1 Trading Plan that was initially adopted on March 6, 2026."}],"balance_after":31596,"source":{"system":"sec-edgar","filing":"0001100682-26-000126","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000126/form4.xml","form_type":"4"}},{"id":691186,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-08-11T20:35:50.000Z","date":"2026-08-10","kind":"exercise","planned":true,"acquired":true,"shares":28733,"price":179.66,"value":5162170.78,"ownership":{"direct":true},"balance_after":60329,"source":{"system":"sec-edgar","filing":"0001100682-26-000126","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000126/form4.xml","form_type":"4"}},{"id":721742,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-07-01T20:59:29.000Z","date":"2026-06-29","kind":"sale","planned":true,"acquired":false,"shares":75000,"price":225,"value":16875000.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale occurred pursuant to a Rule 10b5-1 Trading Plan that was adopted by the reporting person on March 6, 2026."}],"balance_after":31596,"source":{"system":"sec-edgar","filing":"0001100682-26-000111","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000111/form4.xml","form_type":"4"}},{"id":746688,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-06-08T20:25:39.000Z","date":"2026-06-05","kind":"gift","planned":false,"acquired":true,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust Held By Spouse"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Reflects the exempt transfer pursuant to Rule 16a-13 of 10,000 shares held by the reporting person's spouse to a revocable trust controlled by the reporting person's spouse."}],"balance_after":10000,"source":{"system":"sec-edgar","filing":"0001100682-26-000109","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000109/form4.xml","form_type":"4"}},{"id":746687,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-06-08T20:25:39.000Z","date":"2026-06-05","kind":"gift","planned":false,"acquired":false,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Held By Spouse"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Reflects the exempt transfer pursuant to Rule 16a-13 of 10,000 shares held by the reporting person's spouse to a revocable trust controlled by the reporting person's spouse."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001100682-26-000109","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000109/form4.xml","form_type":"4"}},{"id":746686,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-06-08T20:25:39.000Z","date":"2026-06-05","kind":"gift","planned":false,"acquired":true,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"2026 GRAT"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Reflects the exempt transfer pursuant to Rule 16a-13 of 20,000 shares held by the reporting person to a revocable trust controlled by the reporting person."}],"balance_after":20000,"source":{"system":"sec-edgar","filing":"0001100682-26-000109","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000109/form4.xml","form_type":"4"}},{"id":746685,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-06-08T20:25:39.000Z","date":"2026-06-05","kind":"gift","planned":false,"acquired":false,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Reflects the exempt transfer pursuant to Rule 16a-13 of 20,000 shares held by the reporting person to a revocable trust controlled by the reporting person."}],"balance_after":106596,"source":{"system":"sec-edgar","filing":"0001100682-26-000109","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000109/form4.xml","form_type":"4"}},{"id":746684,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-06-08T20:25:39.000Z","date":"2026-06-05","kind":"gift","planned":false,"acquired":true,"shares":153361,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects the exempt transfer pursuant to Rule 16a-13 of 153,361 shares held by the reporting person to a revocable trust controlled by the reporting person."}],"balance_after":155611,"source":{"system":"sec-edgar","filing":"0001100682-26-000109","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000109/form4.xml","form_type":"4"}},{"id":746683,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-06-08T20:25:39.000Z","date":"2026-06-05","kind":"gift","planned":false,"acquired":false,"shares":153361,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects the exempt transfer pursuant to Rule 16a-13 of 153,361 shares held by the reporting person to a revocable trust controlled by the reporting person."}],"balance_after":126596,"source":{"system":"sec-edgar","filing":"0001100682-26-000109","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000109/form4.xml","form_type":"4"}},{"id":755521,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-06-02T20:31:04.000Z","date":"2026-05-30","kind":"tax_withholding","planned":false,"acquired":false,"shares":1596,"price":180.71,"value":288413.16,"ownership":{"direct":true},"balance_after":279957,"source":{"system":"sec-edgar","filing":"0001100682-26-000091","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000091/form4.xml","form_type":"4"}},{"id":785205,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-05-11T20:25:41.000Z","date":"2026-05-08","kind":"grant","planned":false,"acquired":true,"shares":422,"price":177.62,"value":74955.64,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"The grant was made in lieu of director service fees for the term commencing May 5, 2026. The restricted stock units vest upon the earlier of 5/8/2027, or the business day prior to the Company's next annual meeting of shareholders."}],"balance_after":281553,"source":{"system":"sec-edgar","filing":"0001100682-26-000044","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000044/form4.xml","form_type":"4"}},{"id":785204,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-05-11T20:25:41.000Z","date":"2026-05-08","kind":"grant","planned":false,"acquired":true,"shares":1438,"price":177.62,"value":255417.56,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The unvested restricted stock units vest upon the earlier of 5/8/2027 or the business day prior to the Company's next annual meeting of shareholders."}],"balance_after":281131,"source":{"system":"sec-edgar","filing":"0001100682-26-000044","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000044/form4.xml","form_type":"4"}},{"id":862694,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2026-03-04T21:42:20.000Z","date":"2026-03-02","kind":"grant","planned":false,"acquired":true,"shares":16796,"price":178.61,"value":2999933.56,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"100% of the unvested restricted stock units vest on March 2, 2028."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Reflects the exempt transfer pursuant to Rule 16a-13 of 9,220 shares from the 2025 GRAT account to direct holdings."}],"balance_after":279693,"source":{"system":"sec-edgar","filing":"0001100682-26-000026","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000026/form4.xml","form_type":"4"}},{"id":925624,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2026-02-02T21:46:30.000Z","date":"2026-01-30","kind":"tax_withholding","planned":false,"acquired":false,"shares":14664,"price":211.68,"value":3104075.52,"ownership":{"direct":true},"balance_after":253677,"source":{"system":"sec-edgar","filing":"0001100682-26-000012","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000012/form4.xml","form_type":"4"}},{"id":925623,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2026-02-02T21:46:30.000Z","date":"2026-01-30","kind":"grant","planned":false,"acquired":true,"shares":39031,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects shares of common stock issued following the achievement of performance goals set forth in performance share unit awards originally granted on May 26, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Reflects the exempt transfer pursuant to Rule 16a-13 of (i) 14,577 shares from the 2024 GRAT account to direct holdings; and (ii) 4,048 shares from the 2022 GRAT account to direct holdings."}],"balance_after":268341,"source":{"system":"sec-edgar","filing":"0001100682-26-000012","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000012/form4.xml","form_type":"4"}},{"id":1125768,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2025-06-03T20:46:03.000Z","date":"2025-05-30","kind":"grant","planned":false,"acquired":true,"shares":17253,"price":135.63,"value":2340024.39,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Unvested restricted stock units vest annually on: May 30, 2026; May 30, 2027; May 30, 2028; May 30, 2029."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Reflects the exempt transfer pursuant to Rule 16a-13 of 9,793 shares from the reporting person's indirect holdings to the reporting person's direct holdings."}],"balance_after":210685,"source":{"system":"sec-edgar","filing":"0001127602-25-016539","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760225016539/form4.xml","form_type":"4"}},{"id":1253678,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2025-02-21T21:41:25.000Z","date":"2025-02-20","kind":"purchase","planned":false,"acquired":true,"shares":6075,"price":165.01,"value":1002435.75,"ownership":{"direct":true},"balance_after":183639,"source":{"system":"sec-edgar","filing":"0001127602-25-006253","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760225006253/form4.xml","form_type":"4"}},{"id":1287753,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2025-02-03T22:03:21.000Z","date":"2025-01-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":6827,"price":165.57,"value":1130346.39,"ownership":{"direct":true},"balance_after":197564,"source":{"system":"sec-edgar","filing":"0001127602-25-002790","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760225002790/form4.xml","form_type":"4"}},{"id":1287752,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2025-02-03T22:03:21.000Z","date":"2025-01-31","kind":"grant","planned":false,"acquired":true,"shares":19608,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects shares of common stock issued following the achievement of performance goals set forth in performance share unit awards originally granted on May 27, 2022."}],"balance_after":204391,"source":{"system":"sec-edgar","filing":"0001127602-25-002790","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760225002790/form4.xml","form_type":"4"}},{"id":1369482,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2024-11-12T21:41:15.000Z","date":"2024-11-08","kind":"gift","planned":false,"acquired":false,"shares":4500,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":184783,"source":{"system":"sec-edgar","filing":"0001127602-24-027034","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760224027034/form4.xml","form_type":"4"}},{"id":1435141,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2024-08-13T20:17:42.000Z","date":"2024-08-12","kind":"gift","planned":false,"acquired":false,"shares":2500,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":185751,"source":{"system":"sec-edgar","filing":"0001127602-24-022073","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760224022073/form4.xml","form_type":"4"}},{"id":1441145,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2024-08-05T20:04:42.000Z","date":"2024-08-01","kind":"sale","planned":true,"acquired":false,"shares":25000,"price":250,"value":6250000.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"This sale occurred pursuant to a Rule 10b5-1 Trading Plan that was initially adopted on February 26, 2024."}],"balance_after":188251,"source":{"system":"sec-edgar","filing":"0001127602-24-021581","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760224021581/form4.xml","form_type":"4"}},{"id":1493133,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Stock Options (Right to Buy)","published_at":"2024-06-04T20:19:35.000Z","date":"2024-05-31","kind":"grant","planned":false,"acquired":true,"shares":24858,"price":208.44,"value":5181401.52,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Stock options vest as follows: 6,214 on May 31, 2025,  6,215 on May 31, 2026,  6,214 on May 31, 2027, and 6,215 on May 31, 2028."}],"balance_after":24858,"derivative":{"exercise_price":208.44,"exercise_date":"2025-05-31","expiration_date":"2034-05-31","underlying":"Common Stock","underlying_shares":24858},"source":{"system":"sec-edgar","filing":"0001127602-24-017670","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760224017670/form4.xml","form_type":"4"}},{"id":1498267,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2024-05-30T22:58:20.000Z","date":"2024-05-29","kind":"tax_withholding","planned":false,"acquired":false,"shares":1274,"price":214.51,"value":273285.74,"ownership":{"direct":true},"balance_after":223044,"source":{"system":"sec-edgar","filing":"0001127602-24-017008","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760224017008/form4.xml","form_type":"4"}},{"id":1562178,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2024-03-25T22:58:04.000Z","date":"2024-01-29","kind":"tax_withholding","planned":false,"acquired":false,"shares":10540,"price":220.28,"value":2321751.2,"ownership":{"direct":true},"balance_after":228318,"source":{"system":"sec-edgar","filing":"0001127602-24-011128","document":"form4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760224011128/form4a.xml","form_type":"4/A","original_submission_date":"2024-01-31"}},{"id":1562177,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2024-03-25T22:58:04.000Z","date":"2024-01-29","kind":"grant","planned":false,"acquired":true,"shares":23741,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects shares of common stock issued following the achievement of performance goals set forth in performance share unit awards originally granted on May 28, 2021."}],"balance_after":238858,"source":{"system":"sec-edgar","filing":"0001127602-24-011128","document":"form4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760224011128/form4a.xml","form_type":"4/A","original_submission_date":"2024-01-31"}},{"id":1634842,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2024-02-20T22:28:06.000Z","date":"2024-02-16","kind":"gift","planned":false,"acquired":false,"shares":4000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":224613,"source":{"system":"sec-edgar","filing":"0001127602-24-005822","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760224005822/form4.xml","form_type":"4"}},{"id":1665535,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2024-01-31T22:03:30.000Z","date":"2024-01-29","kind":"tax_withholding","planned":false,"acquired":false,"shares":10757,"price":220.28,"value":2369551.96,"ownership":{"direct":true},"balance_after":228613,"source":{"system":"sec-edgar","filing":"0001127602-24-002769","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760224002769/form4.xml","form_type":"4"}},{"id":1665534,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2024-01-31T22:03:30.000Z","date":"2024-01-29","kind":"grant","planned":false,"acquired":true,"shares":24253,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":239370,"source":{"system":"sec-edgar","filing":"0001127602-24-002769","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760224002769/form4.xml","form_type":"4"}},{"id":1665533,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Stock Options (Right to Buy)","published_at":"2024-01-31T21:59:40.000Z","date":"2024-01-29","kind":"exercise","planned":false,"acquired":false,"shares":17436,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F3","text":"The transaction was executed as a net exercise, in which no shares were purchased or sold in the open market."}],"balance_after":0,"derivative":{"exercise_price":144.67,"exercise_date":"2020-02-22","expiration_date":"2024-02-22","underlying":"Common Stock","underlying_shares":17436},"source":{"system":"sec-edgar","filing":"0001127602-24-002765","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760224002765/form4.xml","form_type":"4"}},{"id":1665532,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2024-01-31T21:59:40.000Z","date":"2024-01-29","kind":"tax_withholding","planned":false,"acquired":false,"shares":12710,"price":224.56,"value":2854157.6,"ownership":{"direct":true},"balance_after":215117,"source":{"system":"sec-edgar","filing":"0001127602-24-002765","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760224002765/form4.xml","form_type":"4"}},{"id":1665531,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2024-01-31T21:59:40.000Z","date":"2024-01-29","kind":"exercise","planned":false,"acquired":true,"shares":17436,"price":144.67,"value":2522466.12,"ownership":{"direct":true},"balance_after":227827,"source":{"system":"sec-edgar","filing":"0001127602-24-002765","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760224002765/form4.xml","form_type":"4"}},{"id":1741079,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2023-11-15T14:23:16.000Z","date":"2023-11-14","kind":"purchase","planned":false,"acquired":true,"shares":5620,"price":178.05,"value":1000641.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades at prices ranging from $177.99 to $178.11. The price reported above reflects the weighted average purchase 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":202643,"source":{"system":"sec-edgar","filing":"0001127602-23-027415","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223027415/form4.xml","form_type":"4"}},{"id":1808874,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2023-08-14T20:13:24.000Z","date":"2023-08-10","kind":"gift","planned":false,"acquired":false,"shares":2500,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":197023,"source":{"system":"sec-edgar","filing":"0001127602-23-022484","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223022484/form4.xml","form_type":"4"}},{"id":1873629,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Stock Options (Right to Buy)","published_at":"2023-05-31T17:38:03.000Z","date":"2023-05-26","kind":"grant","planned":false,"acquired":true,"shares":28176,"price":194.12,"value":5469525.12,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Stock Options vest as follows: 7,044 on May 26, 2024, 7,044 on May 26, 2025, 7,044 on May 26, 2026 and 7,044 on May 26, 2027."}],"balance_after":28176,"derivative":{"exercise_price":194.12,"exercise_date":"2024-05-26","expiration_date":"2033-05-26","underlying":"Common Stock","underlying_shares":28176},"source":{"system":"sec-edgar","filing":"0001127602-23-017137","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223017137/form4.xml","form_type":"4"}},{"id":1873628,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2023-05-31T17:38:03.000Z","date":"2023-05-29","kind":"tax_withholding","planned":false,"acquired":false,"shares":1274,"price":194.12,"value":247308.88,"ownership":{"direct":true},"balance_after":199523,"source":{"system":"sec-edgar","filing":"0001127602-23-017137","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223017137/form4.xml","form_type":"4"}},{"id":1889726,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2023-05-17T20:55:18.000Z","date":"2023-05-15","kind":"gift","planned":false,"acquired":false,"shares":3812,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"2020 GRAT"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The transaction was a gift of shares formerly held in a trust in the reporting person's name. The shares are no longer owned by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"On 5/15/2023, 6,017 shares were transferred from the 2020 GRAT account to Direct holdings."}],"balance_after":6017,"source":{"system":"sec-edgar","filing":"0001127602-23-015972","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223015972/form4.xml","form_type":"4"}},{"id":1889725,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2023-05-17T20:55:18.000Z","date":"2023-05-15","kind":"gift","planned":false,"acquired":false,"shares":3811,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"2020 GRAT"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The transaction was a gift of shares formerly held in a trust in the reporting person's name. The shares are no longer owned by the reporting person."}],"balance_after":9829,"source":{"system":"sec-edgar","filing":"0001127602-23-015972","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223015972/form4.xml","form_type":"4"}},{"id":2000515,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2023-02-22T21:49:13.000Z","date":"2023-02-22","kind":"tax_withholding","acquired":false,"shares":1814,"price":243.6,"value":441890.4,"ownership":{"direct":true},"balance_after":214780,"source":{"system":"sec-edgar","filing":"0001127602-23-006499","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223006499/form4.xml","form_type":"4"}},{"id":2008418,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2023-02-17T21:02:24.000Z","date":"2023-02-15","kind":"sale","acquired":false,"shares":108,"price":250.16,"value":27017.28,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale occurred pursuant to a 10b5-1 Trading Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"On 2/01/2023: 3,672 shares were transferred from the 2021 GRAT account to Direct Holdings."}],"balance_after":216594,"source":{"system":"sec-edgar","filing":"0001127602-23-005808","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223005808/form4.xml","form_type":"4"}},{"id":2008417,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2023-02-17T21:02:24.000Z","date":"2023-02-15","kind":"sale","acquired":false,"shares":19892,"price":250,"value":4973000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale occurred pursuant to a 10b5-1 Trading Plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"On 2/01/2023: 3,672 shares were transferred from the 2021 GRAT account to Direct Holdings."}],"balance_after":216702,"source":{"system":"sec-edgar","filing":"0001127602-23-005808","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223005808/form4.xml","form_type":"4"}},{"id":2040577,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2023-01-31T22:57:02.000Z","date":"2023-01-27","kind":"tax_withholding","acquired":false,"shares":21453,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On 06/07/2022: 3,939 shares were transferred from the 2020 GRAT account to Direct Holdings."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"On 10/11/2022, the reporting person contributed 11,000 shares of CRL Common Stock to a grantor retained annuity trust for the benefit of himself and his adult children."}],"balance_after":232922,"source":{"system":"sec-edgar","filing":"0001127602-23-002783","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223002783/form4.xml","form_type":"4"}},{"id":2040576,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2023-01-31T22:57:02.000Z","date":"2023-01-27","kind":"grant","acquired":true,"shares":49725,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Reflects shares of common stock issued following the achievement of performance goals set forth in performance share unit awards originally granted on May 29, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On 06/07/2022: 3,939 shares were transferred from the 2020 GRAT account to Direct Holdings."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"On 10/11/2022, the reporting person contributed 11,000 shares of CRL Common Stock to a grantor retained annuity trust for the benefit of himself and his adult children."}],"balance_after":254375,"source":{"system":"sec-edgar","filing":"0001127602-23-002783","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223002783/form4.xml","form_type":"4"}},{"id":2040575,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2023-01-31T22:57:02.000Z","date":"2022-06-06","kind":"gift","acquired":false,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On 06/07/2022: 3,939 shares were transferred from the 2020 GRAT account to Direct Holdings."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"On 10/11/2022, the reporting person contributed 11,000 shares of CRL Common Stock to a grantor retained annuity trust for the benefit of himself and his adult children."}],"balance_after":211711,"source":{"system":"sec-edgar","filing":"0001127602-23-002783","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760223002783/form4.xml","form_type":"4"}},{"id":2249846,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Stock Options (Right to Buy)","published_at":"2022-06-01T21:17:53.000Z","date":"2022-05-27","kind":"grant","acquired":true,"shares":24042,"price":244.41,"value":5876105.22,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Stock Options vest as follows: 6,010 on May 27, 2023, 6,011 on May 27, 2024, 6,010 on May 27, 2025 and 6,011 on May 27, 2026."}],"balance_after":24042,"derivative":{"exercise_price":244.41,"exercise_date":"2023-05-27","expiration_date":"2032-05-27","underlying":"Common Stock","underlying_shares":24042},"source":{"system":"sec-edgar","filing":"0001127602-22-016215","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222016215/form4.xml","form_type":"4"}},{"id":2249845,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-06-01T21:17:53.000Z","date":"2022-05-29","kind":"tax_withholding","acquired":false,"shares":1311,"price":244.41,"value":320421.51,"ownership":{"direct":true},"balance_after":213711,"source":{"system":"sec-edgar","filing":"0001127602-22-016215","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222016215/form4.xml","form_type":"4"}},{"id":2372690,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Stock Options (Right to Buy)","published_at":"2022-02-25T21:20:23.000Z","date":"2022-02-23","kind":"exercise","acquired":false,"shares":20296,"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":20296},"source":{"system":"sec-edgar","filing":"0001127602-22-006781","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":21,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006781/form4.xml","form_type":"4"}},{"id":2372689,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-25T21:20:23.000Z","date":"2022-02-23","kind":"sale","acquired":false,"shares":352,"price":295.6956,"value":104084.8512,"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":"F14","text":"This transaction was executed in multiple trades at prices ranging from $295.54 to $296.4. 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":215022,"source":{"system":"sec-edgar","filing":"0001127602-22-006781","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006781/form4.xml","form_type":"4"}},{"id":2372688,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-25T21:20:23.000Z","date":"2022-02-23","kind":"sale","acquired":false,"shares":389,"price":294.6963,"value":114636.8607,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F13","text":"This transaction was executed in multiple trades at prices ranging from $294.47 to $294.92. 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."},{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale occurred pursuant to a 10b5-1 Trading Plan."}],"balance_after":215374,"source":{"system":"sec-edgar","filing":"0001127602-22-006781","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006781/form4.xml","form_type":"4"}},{"id":2372687,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-25T21:20:23.000Z","date":"2022-02-23","kind":"sale","acquired":false,"shares":325,"price":293.8118,"value":95488.835,"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 $293.56 to $294.20. 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":215763,"source":{"system":"sec-edgar","filing":"0001127602-22-006781","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006781/form4.xml","form_type":"4"}},{"id":2372686,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-25T21:20:23.000Z","date":"2022-02-23","kind":"sale","acquired":false,"shares":746,"price":292.8666,"value":218478.4836,"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 $292.58 to $293.205. 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":216088,"source":{"system":"sec-edgar","filing":"0001127602-22-006781","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006781/form4.xml","form_type":"4"}},{"id":2372685,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-25T21:20:23.000Z","date":"2022-02-23","kind":"sale","acquired":false,"shares":981,"price":291.807,"value":286262.667,"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 $291.505 to $291.92. 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":216834,"source":{"system":"sec-edgar","filing":"0001127602-22-006781","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006781/form4.xml","form_type":"4"}},{"id":2372684,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-25T21:20:23.000Z","date":"2022-02-23","kind":"sale","acquired":false,"shares":1259,"price":291.0536,"value":366436.4824,"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 $290.55 to $291.43. 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":217815,"source":{"system":"sec-edgar","filing":"0001127602-22-006781","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006781/form4.xml","form_type":"4"}},{"id":2372683,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-25T21:20:23.000Z","date":"2022-02-23","kind":"sale","acquired":false,"shares":1078,"price":290.012,"value":312632.936,"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 $289.59 to $290.435. 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":219074,"source":{"system":"sec-edgar","filing":"0001127602-22-006781","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006781/form4.xml","form_type":"4"}},{"id":2372682,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-25T21:20:23.000Z","date":"2022-02-23","kind":"sale","acquired":false,"shares":805,"price":288.821,"value":232500.905,"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 $288.45 to $289.25. 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":220152,"source":{"system":"sec-edgar","filing":"0001127602-22-006781","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006781/form4.xml","form_type":"4"}},{"id":2372681,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-25T21:20:23.000Z","date":"2022-02-23","kind":"sale","acquired":false,"shares":4245,"price":287.8419,"value":1221888.8655,"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 $287.445 to $288.25. 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":220957,"source":{"system":"sec-edgar","filing":"0001127602-22-006781","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006781/form4.xml","form_type":"4"}},{"id":2372680,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-25T21:20:23.000Z","date":"2022-02-23","kind":"sale","acquired":false,"shares":3171,"price":287.0982,"value":910388.3922,"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 $286.615 to $287.435. 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":225202,"source":{"system":"sec-edgar","filing":"0001127602-22-006781","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006781/form4.xml","form_type":"4"}},{"id":2372679,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-25T21:20:23.000Z","date":"2022-02-23","kind":"sale","acquired":false,"shares":2027,"price":286.0605,"value":579844.6335,"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 $285.48 to $286.43. 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":228373,"source":{"system":"sec-edgar","filing":"0001127602-22-006781","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006781/form4.xml","form_type":"4"}},{"id":2372678,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-25T21:20:23.000Z","date":"2022-02-23","kind":"sale","acquired":false,"shares":3415,"price":284.7855,"value":972542.4825,"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 $284.45 to $285.43. 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":230400,"source":{"system":"sec-edgar","filing":"0001127602-22-006781","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006781/form4.xml","form_type":"4"}},{"id":2372677,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-25T21:20:23.000Z","date":"2022-02-23","kind":"sale","acquired":false,"shares":1503,"price":283.8876,"value":426683.0628,"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 $283.445 to $284.42. 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":233815,"source":{"system":"sec-edgar","filing":"0001127602-22-006781","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006781/form4.xml","form_type":"4"}},{"id":2372676,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-25T21:20:23.000Z","date":"2022-02-23","kind":"exercise","acquired":true,"shares":20296,"price":109.34,"value":2219164.64,"ownership":{"direct":true},"balance_after":235318,"source":{"system":"sec-edgar","filing":"0001127602-22-006781","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006781/form4.xml","form_type":"4"}},{"id":2379318,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Stock Options (Right to Buy)","published_at":"2022-02-23T21:49:54.000Z","date":"2022-02-22","kind":"exercise","acquired":false,"shares":17436,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":17436,"derivative":{"exercise_price":144.67,"exercise_date":"2020-02-22","expiration_date":"2024-02-22","underlying":"Common Stock","underlying_shares":17436},"source":{"system":"sec-edgar","filing":"0001127602-22-006351","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006351/form4.xml","form_type":"4"}},{"id":2379317,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-23T21:49:54.000Z","date":"2022-02-23","kind":"tax_withholding","acquired":false,"shares":1770,"price":289.58,"value":512556.6,"ownership":{"direct":true},"balance_after":215022,"source":{"system":"sec-edgar","filing":"0001127602-22-006351","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006351/form4.xml","form_type":"4"}},{"id":2379316,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-23T21:49:54.000Z","date":"2022-02-22","kind":"sale","acquired":false,"shares":350,"price":292.7429,"value":102460.015,"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 $292.51 to $292.845. 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":216792,"source":{"system":"sec-edgar","filing":"0001127602-22-006351","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006351/form4.xml","form_type":"4"}},{"id":2379315,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-23T21:49:54.000Z","date":"2022-02-22","kind":"sale","acquired":false,"shares":100,"price":291.5,"value":29150.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale occurred pursuant to a 10b5-1 Trading Plan."}],"balance_after":217142,"source":{"system":"sec-edgar","filing":"0001127602-22-006351","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006351/form4.xml","form_type":"4"}},{"id":2379314,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-23T21:49:54.000Z","date":"2022-02-22","kind":"sale","acquired":false,"shares":1481,"price":290.8857,"value":430801.7217,"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 $290.46 to $291.36. 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":217242,"source":{"system":"sec-edgar","filing":"0001127602-22-006351","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006351/form4.xml","form_type":"4"}},{"id":2379313,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-23T21:49:54.000Z","date":"2022-02-22","kind":"sale","acquired":false,"shares":2600,"price":290.0328,"value":754085.28,"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 $289.56 to $290.385. 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":218723,"source":{"system":"sec-edgar","filing":"0001127602-22-006351","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006351/form4.xml","form_type":"4"}},{"id":2379312,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-23T21:49:54.000Z","date":"2022-02-22","kind":"sale","acquired":false,"shares":4472,"price":288.8558,"value":1291763.1376,"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 $288.41 to $289.385. 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":221323,"source":{"system":"sec-edgar","filing":"0001127602-22-006351","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006351/form4.xml","form_type":"4"}},{"id":2379311,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-23T21:49:54.000Z","date":"2022-02-22","kind":"sale","acquired":false,"shares":5243,"price":288.1152,"value":1510587.9936,"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 $287.55 to $288.4. 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":225795,"source":{"system":"sec-edgar","filing":"0001127602-22-006351","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006351/form4.xml","form_type":"4"}},{"id":2379310,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-23T21:49:54.000Z","date":"2022-02-22","kind":"sale","acquired":false,"shares":2394,"price":286.9337,"value":686919.2778,"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 $286.59 to $287.34. 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":231038,"source":{"system":"sec-edgar","filing":"0001127602-22-006351","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006351/form4.xml","form_type":"4"}},{"id":2379309,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-23T21:49:54.000Z","date":"2022-02-22","kind":"sale","acquired":false,"shares":796,"price":285.8804,"value":227560.7984,"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 $285.41 to $286.23. 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":233432,"source":{"system":"sec-edgar","filing":"0001127602-22-006351","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006351/form4.xml","form_type":"4"}},{"id":2379308,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-23T21:49:54.000Z","date":"2022-02-22","kind":"exercise","acquired":true,"shares":17436,"price":144.67,"value":2522466.12,"ownership":{"direct":true},"balance_after":234228,"source":{"system":"sec-edgar","filing":"0001127602-22-006351","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006351/form4.xml","form_type":"4"}},{"id":2379307,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-23T21:49:54.000Z","date":"2022-02-22","kind":"tax_withholding","acquired":false,"shares":1610,"price":293.61,"value":472712.1,"ownership":{"direct":true},"balance_after":216792,"source":{"system":"sec-edgar","filing":"0001127602-22-006351","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222006351/form4.xml","form_type":"4"}},{"id":2389198,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-17T21:41:35.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":15,"price":334.06,"value":5010.9,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale occurred pursuant to a 10b5-1 Trading Plan."}],"balance_after":218402,"source":{"system":"sec-edgar","filing":"0001127602-22-005478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":22,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222005478/form4.xml","form_type":"4"}},{"id":2389197,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-17T21:41:35.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":236,"price":333.2912,"value":78656.7232,"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":"F20","text":"This transaction was executed in multiple trades at prices ranging from $332.89 to $333.3575. 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":218417,"source":{"system":"sec-edgar","filing":"0001127602-22-005478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":21,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222005478/form4.xml","form_type":"4"}},{"id":2389196,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-17T21:41:35.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":51,"price":332.63,"value":16964.13,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale occurred pursuant to a 10b5-1 Trading Plan."}],"balance_after":218653,"source":{"system":"sec-edgar","filing":"0001127602-22-005478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":20,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222005478/form4.xml","form_type":"4"}},{"id":2389195,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-17T21:41:35.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":914,"price":331.4341,"value":302930.7674,"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":"F19","text":"This transaction was executed in multiple trades at prices ranging from $331.03 to $331.67. 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":218704,"source":{"system":"sec-edgar","filing":"0001127602-22-005478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":19,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222005478/form4.xml","form_type":"4"}},{"id":2389194,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-17T21:41:35.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":465,"price":330.1634,"value":153525.981,"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":"F18","text":"This transaction was executed in multiple trades at prices ranging from $329.835 to $330.495. 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":219618,"source":{"system":"sec-edgar","filing":"0001127602-22-005478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222005478/form4.xml","form_type":"4"}},{"id":2389193,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-17T21:41:35.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":158,"price":329.121,"value":52001.118,"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":"F17","text":"This transaction was executed in multiple trades at prices ranging from $328.79 to $329.35. 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":220083,"source":{"system":"sec-edgar","filing":"0001127602-22-005478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222005478/form4.xml","form_type":"4"}},{"id":2389192,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-17T21:41:35.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":98,"price":328.5038,"value":32193.3724,"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":"F16","text":"This transaction was executed in multiple trades at prices ranging from $328.36 to $328.7025. 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":220241,"source":{"system":"sec-edgar","filing":"0001127602-22-005478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222005478/form4.xml","form_type":"4"}},{"id":2389191,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-17T21:41:35.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":179,"price":326.8779,"value":58511.1441,"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":"F15","text":"This transaction was executed in multiple trades at prices ranging from $326.825 to $327.055. 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":220339,"source":{"system":"sec-edgar","filing":"0001127602-22-005478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222005478/form4.xml","form_type":"4"}},{"id":2389190,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-17T21:41:35.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":174,"price":323.0681,"value":56213.8494,"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":"F14","text":"This transaction was executed in multiple trades at prices ranging from $322.9 to $323.225. 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":220518,"source":{"system":"sec-edgar","filing":"0001127602-22-005478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222005478/form4.xml","form_type":"4"}},{"id":2389189,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-17T21:41:35.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":100,"price":321.93,"value":32193.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale occurred pursuant to a 10b5-1 Trading Plan."}],"balance_after":220692,"source":{"system":"sec-edgar","filing":"0001127602-22-005478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222005478/form4.xml","form_type":"4"}},{"id":2389188,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-17T21:41:35.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":420,"price":320.2276,"value":134495.592,"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":"F13","text":"This transaction was executed in multiple trades at prices ranging from $319.8175 to $320.71. 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":220792,"source":{"system":"sec-edgar","filing":"0001127602-22-005478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222005478/form4.xml","form_type":"4"}},{"id":2389187,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-17T21:41:35.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":325,"price":317.9824,"value":103344.28,"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 $317.83 to $318.29. 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":221212,"source":{"system":"sec-edgar","filing":"0001127602-22-005478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222005478/form4.xml","form_type":"4"}},{"id":2389186,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-17T21:41:35.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":1243,"price":317.0579,"value":394102.9697,"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 $316.765 to $317.48. 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":221537,"source":{"system":"sec-edgar","filing":"0001127602-22-005478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222005478/form4.xml","form_type":"4"}},{"id":2389185,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-17T21:41:35.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":2157,"price":316.3437,"value":682353.3609,"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 $315.79 to $316.73. 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":222780,"source":{"system":"sec-edgar","filing":"0001127602-22-005478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222005478/form4.xml","form_type":"4"}},{"id":2389184,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-17T21:41:35.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":1816,"price":315.1509,"value":572314.0344,"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 $314.78 to $315.605. 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":224937,"source":{"system":"sec-edgar","filing":"0001127602-22-005478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222005478/form4.xml","form_type":"4"}},{"id":2389183,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-17T21:41:35.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":2812,"price":314.4308,"value":884179.4096,"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 $313.785 to $314.73. 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":226753,"source":{"system":"sec-edgar","filing":"0001127602-22-005478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222005478/form4.xml","form_type":"4"}},{"id":2389182,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-17T21:41:35.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":1514,"price":313.2395,"value":474244.603,"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 $312.86 to $313.745. 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":229565,"source":{"system":"sec-edgar","filing":"0001127602-22-005478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222005478/form4.xml","form_type":"4"}},{"id":2389181,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-17T21:41:35.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":1835,"price":312.1917,"value":572871.7695,"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 $311.76 to $312.72. 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":231079,"source":{"system":"sec-edgar","filing":"0001127602-22-005478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222005478/form4.xml","form_type":"4"}},{"id":2389180,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-17T21:41:35.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":1643,"price":311.2999,"value":511465.7357,"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 $310.8475 to $311.74. 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":232914,"source":{"system":"sec-edgar","filing":"0001127602-22-005478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222005478/form4.xml","form_type":"4"}},{"id":2389179,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-17T21:41:35.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":2456,"price":310.3528,"value":762226.4768,"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 $309.84 to $310.735. 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":234557,"source":{"system":"sec-edgar","filing":"0001127602-22-005478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222005478/form4.xml","form_type":"4"}},{"id":2389178,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":19163,"kind":"person","name":"FOSTER JAMES C","position":1,"cik":"0001141722","reported_name":"FOSTER JAMES C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President and CEO"}}],"security":"Common Stock","published_at":"2022-02-17T21:41:35.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":1064,"price":309.3649,"value":329164.2536,"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 $308.75 to $309.68. 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."}],"balance_after":237013,"source":{"system":"sec-edgar","filing":"0001127602-22-005478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760222005478/form4.xml","form_type":"4"}}],"next_cursor":"2022-02-17T21:41:35.000000Z,2389178"}