Item 5. Other Information

During the quarter ended March 30, 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 February 26, 2024, James Foster, our Chair, President, and Chief Executive Officer, entered into a Rule 10b5-1 trading arrangement for the sale of up to 129,721 shares of common stock. The arrangement’s expiration date is June 30, 2026.

• On March 4, 2024, Shannon Parisotto, our Corporate Executive Vice President, Global Discovery & Safety Assessment entered into a Rule 10b5-1 trading arrangement for the sale of up to 10,170 shares of common stock, subject to certain conditions. The arrangement’s expiration date is February 28, 2025.

CHARLES RIVER LABORATORIES INTERNATIONAL, INC.