Chief Strategy Officer Giovanni Barbarossa steps down April 27 and retires in September

Coherent disclosed in an 8-K filed April 28, 2026 that Chief Strategy Officer Giovanni Barbarossa left that role effective April 27, 2026. He will serve as a Special Advisor to CEO Jim Anderson until he retires, which the company says will be in September 2026, with the exact date still to be set. The change is a routine senior transition with no change to reported financial guidance.

• Giovanni Barbarossa leaves the Chief Strategy Officer role effective April 27, 2026.
• Becomes Special Advisor to the CEO until retirement.
• Retirement expected September 2026; date to be determined.