Item 5. Other Information

During the quarter ended September 28, 2024, none of our officers or directors adopted or terminated any contract, instruction, or written plan for the purchase or sale of our securities that was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act or any “non-Rule 10b5-1 trading arrangement” as defined in Item 408(c) of Regulation S-K, except as follows:

• On August 19, 2024, George Massaro, one of our directors, entered into a Rule 10b5-1 trading arrangement for the sale of up to 280 shares of common stock, in connection with the vesting of 559 RSUs in May 2025, subject to certain conditions. The arrangement’s expiration date is May 18, 2025.

CHARLES RIVER LABORATORIES INTERNATIONAL, INC.