{"transactions":[{"id":785208,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":48421,"kind":"person","name":"Kemps-Polanco Reshema","position":1,"cik":"0002009357","reported_name":"Kemps-Polanco Reshema","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-05-11T20:30:53.000Z","date":"2026-05-08","kind":"grant","planned":false,"acquired":true,"shares":535,"price":177.62,"value":95026.7,"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":4563,"source":{"system":"sec-edgar","filing":"0001100682-26-000048","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000048/form4.xml","form_type":"4"}},{"id":785207,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":48421,"kind":"person","name":"Kemps-Polanco Reshema","position":1,"cik":"0002009357","reported_name":"Kemps-Polanco Reshema","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-05-11T20:30:53.000Z","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":4028,"source":{"system":"sec-edgar","filing":"0001100682-26-000048","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000110068226000048/form4.xml","form_type":"4"}},{"id":1135845,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":48421,"kind":"person","name":"Kemps-Polanco Reshema","position":1,"cik":"0002009357","reported_name":"Kemps-Polanco Reshema","relationship":{"director":true}}],"security":"Stock Options (Right to Buy)","published_at":"2025-05-23T20:17:33.000Z","date":"2025-05-21","kind":"grant","planned":false,"acquired":true,"shares":2076,"price":134.98,"value":280218.48,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"The stock options become exercisable upon the earlier of 5/21/2026 or the business day prior to the Company's next annual meeting of shareholders."}],"balance_after":2076,"derivative":{"exercise_price":134.98,"exercise_date":"2026-05-21","expiration_date":"2035-05-21","underlying":"Common Stock","underlying_shares":2076},"source":{"system":"sec-edgar","filing":"0001127602-25-015483","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760225015483/form4.xml","form_type":"4"}},{"id":1135844,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":48421,"kind":"person","name":"Kemps-Polanco Reshema","position":1,"cik":"0002009357","reported_name":"Kemps-Polanco Reshema","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-05-23T20:17:33.000Z","date":"2025-05-21","kind":"grant","planned":false,"acquired":true,"shares":630,"price":134.98,"value":85037.4,"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 20, 2025. The restricted stock units vest upon the earlier of 5/21/2026, or the business day prior to the Company's next annual meeting of shareholders."}],"balance_after":2590,"source":{"system":"sec-edgar","filing":"0001127602-25-015483","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760225015483/form4.xml","form_type":"4"}},{"id":1135843,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":48421,"kind":"person","name":"Kemps-Polanco Reshema","position":1,"cik":"0002009357","reported_name":"Kemps-Polanco Reshema","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-05-23T20:17:33.000Z","date":"2025-05-21","kind":"grant","planned":false,"acquired":true,"shares":946,"price":134.98,"value":127691.08,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The unvested restricted stock units vest upon the earlier of 5/21/2026 or the business day prior to the Company's next annual meeting of shareholders."}],"balance_after":1960,"source":{"system":"sec-edgar","filing":"0001127602-25-015483","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760225015483/form4.xml","form_type":"4"}},{"id":1516337,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":48421,"kind":"person","name":"Kemps-Polanco Reshema","position":1,"cik":"0002009357","reported_name":"Kemps-Polanco Reshema","relationship":{"director":true}}],"security":"Stock Options (Right to Buy)","published_at":"2024-05-15T21:34:30.000Z","date":"2024-05-13","kind":"grant","planned":false,"acquired":true,"shares":1311,"price":228.41,"value":299445.51,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"The stock options become exercisable upon the earlier of 5/13/2025 or the business day prior to the Company's next annual meeting of shareholders."}],"balance_after":1311,"derivative":{"exercise_price":228.41,"exercise_date":"2025-05-13","expiration_date":"2034-05-13","underlying":"Common Stock","underlying_shares":1311},"source":{"system":"sec-edgar","filing":"0001127602-24-015523","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760224015523/form4.xml","form_type":"4"}},{"id":1516336,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":48421,"kind":"person","name":"Kemps-Polanco Reshema","position":1,"cik":"0002009357","reported_name":"Kemps-Polanco Reshema","relationship":{"director":true}}],"security":"Common Stock","published_at":"2024-05-15T21:34:30.000Z","date":"2024-05-13","kind":"grant","planned":false,"acquired":true,"shares":285,"price":228.41,"value":65096.85,"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 8, 2024. The restricted stock units vest upon the earlier of 5/13/2025, or the business day prior to the Company's next annual meeting of shareholders."}],"balance_after":1014,"source":{"system":"sec-edgar","filing":"0001127602-24-015523","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760224015523/form4.xml","form_type":"4"}},{"id":1516335,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":48421,"kind":"person","name":"Kemps-Polanco Reshema","position":1,"cik":"0002009357","reported_name":"Kemps-Polanco Reshema","relationship":{"director":true}}],"security":"Common Stock","published_at":"2024-05-15T21:34:30.000Z","date":"2024-05-13","kind":"grant","planned":false,"acquired":true,"shares":559,"price":228.41,"value":127681.19,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The unvested restricted stock units vest upon the earlier of 5/13/2025 or the business day prior to the Company's next annual meeting of shareholders."}],"balance_after":729,"source":{"system":"sec-edgar","filing":"0001127602-24-015523","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760224015523/form4.xml","form_type":"4"}},{"id":1659451,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":48421,"kind":"person","name":"Kemps-Polanco Reshema","position":1,"cik":"0002009357","reported_name":"Kemps-Polanco Reshema","relationship":{"director":true}}],"security":"Stock Options (Right to Buy)","published_at":"2024-02-06T01:31:48.000Z","date":"2024-02-01","kind":"grant","planned":false,"acquired":true,"shares":399,"price":219.54,"value":87596.46,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"The stock options become exercisable 5/7/2024."}],"balance_after":399,"derivative":{"exercise_price":219.54,"exercise_date":"2024-05-07","expiration_date":"2034-02-01","underlying":"Common Stock","underlying_shares":399},"source":{"system":"sec-edgar","filing":"0001127602-24-003484","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760224003484/form4.xml","form_type":"4"}},{"id":1659450,"issuer":{"id":3398,"kind":"organization","name":"CHARLES RIVER LABORATORIES INTERNATIONAL, INC.","symbol":"CRL"},"owners":[{"id":48421,"kind":"person","name":"Kemps-Polanco Reshema","position":1,"cik":"0002009357","reported_name":"Kemps-Polanco Reshema","relationship":{"director":true}}],"security":"Common Stock","published_at":"2024-02-06T01:31:48.000Z","date":"2024-02-01","kind":"grant","planned":false,"acquired":true,"shares":170,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Consists of 170 unvested restricted stock units that vest on 5/7/2024."}],"balance_after":170,"source":{"system":"sec-edgar","filing":"0001127602-24-003484","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1100682/000112760224003484/form4.xml","form_type":"4"}}]}