X0508 4 2023-08-24 0001100682 CHARLES RIVER LABORATORIES INTERNATIONAL, INC. CRL 0001198092 WALLMAN RICHARD F 251 BALLARDVALE STREET WILMINGTON MA 01887 1 0 Common Stock 22528 D Common Stock 2023-08-24 4 P 0 1000 198.786 A 1000 I By Wife The shares were acquired in 4 transactions ranging in price from $198.70 to $198.85. The reporting person will provide, upon request by the SEC staff, the issuer or any security holder of the issuer, full information regarding the number of shares purchased at each separate price. /s/ Richard F. Wallman 2023-08-27