X0609 4 2026-10-12 0000820318 COHERENT CORP. COHR 0001764515 Luther Sherri R false C/O COHERENT CORP. 375 SAXONBURG BOULEVARD SAXONBURG PA 16056 false true false false Chief Financial Officer false Common Stock 2026-10-12 4 F false 18284 312.62 D 52571 D Withheld shares are in connection with the vesting of a restricted stock unit award of 79,056 shares granted to the reporting person on October 11, 2024, of which 15,902 of the restricted stock units vest in three equal annual installments beginning on October 11, 2025, and 63,154 of the restricted stock units vest in two equal annual installments beginning on October 11, 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 2026-10-14