Insider Ownership Filing for Charles River Laboratories International, Inc.

This filing reports the initial ownership of Charles River Laboratories International, Inc. common stock by Glenn Coleman, EVP & Chief Financial Officer. The reporting owner, Glenn Coleman, has a CIK of 0001434369. The filing indicates that following the transaction, the number of shares owned by the reporting owner is 0. The ownership is direct. The filing date is April 8, 2026, and the period of report is April 6, 2026.