X0609 4 2026-07-01 0000820318 COHERENT CORP. COHR 0002138361 Place Jeffrey B. false C/O COHERENT CORP. 5100 PATRICK HENRY DRIVE SANTA CLARA CA 95054 false true false false Chief Supply Chain Officer false Common Stock 2026-07-01 4 F false 2181 394.47 D 17658 D Withheld shares are in connection with the vesting of a restricted stock unit award of 19,525 shares granted to the reporting person on July 1, 2025. 6,508 units of the restricted stock vested on July 1, 2026, and the remaining 13,017 units will vest in eight quarterly installments beginning October 1, 2026, in each case subject to the reporting person's continued service. 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 2026-07-06