X0508 4 2026-03-10 0000820318 COHERENT CORP. COHR 0001661122 Eng Julie Sheridan C/O COHERENT CORP. 375 SAXONBURG BOULEVARD SAXONBURG PA 16056 true Chief Technology Officer true Common Stock 2026-03-10 4 S 0 1454 258.18 D 49436 D The sale transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025. /s/ Christopher M. Forrester, Attorney-in-Fact 2026-03-12