X0609 4 2026-10-21 false 0000820318 COHERENT CORP. COHR 0001902257 Beard Robert P false C/O COHERENT CORP. 375 SAXONBURG BOULEVARD SAXONBURG PA 16056 false true false false Chief Strategy & Legal Officer false Common Stock 2026-10-21 4 F false 5127 231.80 D 46301 D Withheld shares are in connection with the vesting of a restricted stock unit award of 39,088 shares granted to the reporting person on October 21, 2024. The restricted stock units vest in three equal annual installments beginning on October 21, 2025. These shares were withheld by the company to discharge withholding tax obligations of the reporting person and do not constitute an actual sale or other open market transaction. /s/ Christopher M. Forrester, Attorney-in-Fact 2026-10-22