Form 4 Filing for Charles River Laboratories International, Inc.

This filing details stock transactions by Birgit Girshick, the Chief Executive Officer of Charles River Laboratories International, Inc. On May 26, 2026, Girshick disposed of 376 shares of Common Stock at a price of $160.30 per share. The following day, May 27, 2026, an additional 242 shares were disposed of at $156.73 per share. Following these transactions, the post-transaction shares owned were 31,262 and 31,020, respectively. The filing also notes that after these transactions, Girshick holds 40,417 shares of Common Stock indirectly through a Revocable Trust. The transactions were reported on Form 4.