X0609 4 2026-09-30 0001100682 CHARLES RIVER LABORATORIES INTERNATIONAL, INC. CRL 0001434369 Coleman Glenn false C/O CHARLES RIVER LABORATORIES 251 BALLARDVALE ST WILMINGTON MA 01887 1 EVP & Chief Financial Officer 0 Common Stock 2026-09-30 4 P 0 10 297.43 A 27762 D The shares were acquired pursuant to the Company's Employee Stock Purchase Plan at the fair market value of the Company's common stock on the purchase date. The Reporting Person elected to participate in the Plan during an open trading window prior to the commencement of the quarterly purchase period. /s/ Glenn Coleman 2026-10-02