Form 4 Filing for Lumentum Holdings Inc.

This filing details transactions made by Wupen Yuen, PRESIDENT, GLOBAL BUS. UNITS of Lumentum Holdings Inc. On September 16, 2026, 500 shares of Common Stock were sold at $856.83 per share. On September 17, 2026, another 500 shares were sold at $933.45 per share. Finally, on September 18, 2026, an additional 500 shares were sold at $920.00 per share. All these sales were conducted under a Rule 10b5-1 trading plan adopted on May 19, 2026. Following these transactions, the post-transaction shares owned by Mr. Yuen are 111,627.