X0609 4 2026-08-17 0001633978 Lumentum Holdings Inc. LITE 0001573338 HURLSTON MICHAEL E. false C/O LUMENTUM HOLDINGS INC. 1001 RIDDER PARK DRIVE SAN JOSE CA 95131 true true false false President and CEO 0 Common Stock 2026-08-17 4 A 0 66764 0 A 185743 D The Compensation Committee of the Board of Directors of the Issuer certified achievement of certain performance conditions with respect to performance stock units (PSUs) granted to the Reporting Person on August 19, 2025. The PSUs remain subject to time-based vesting; 100% of the shares shall vest on August 19, 2028, subject to the Reporting Person continuing to be a service provider of the Issuer through such date. The number of shares reported as beneficially owned following the reported transaction is as of August 17, 2026. /s/ Jae Kim as Attorney-in-Fact 2026-08-27