X0508 4 2025-11-19 0001633978 Lumentum Holdings Inc. LITE 0001688179 Lundstrom Paul C/O LUMENTUM HOLDINGS INC. 1001 RIDDER PARK DRIVE SAN JOSE CA 95131 true false false false 0 Common Stock 2025-11-19 4 A 0 1283 0 A 2517 D Common Stock 2025-11-19 4 A 0 2387 0 A 4904 D Each share is represented by a restricted stock unit (RSU). Each RSU represents the contingent right to receive, following vesting, one share of Common Stock of the Issuer. 100% of the RSUs shall vest on the earlier of November 19, 2026 or the day prior to the the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person continuing through such date as a Service Provider, as defined under the Issuer's 2025 Equity Incentive Plan. These securities are fully vested RSUs. Each RSU represents a right to receive one share of Common Stock of the Issuer. /s/ Jae Kim as Attorney-in-Fact 2025-11-21