Lumentum (LITE)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-17 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Lumentum Holdings Inc. (LITE) CIK: 0001633978 --- Reporting Owner --- Name: Kim Jae CIK: 0001570465 Role: Officer (SVP, GENERAL COUNSEL) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-08-17 | Code: A (Grant or award) Shares: +11,634 | Price: $0.00 Shares Owned After: 42,551 | Ownership: D (Direct) Footnotes: [F1] 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. [F2] The number of shares reported as beneficially owned following the reported transaction is as of August 17, 2026 and prior to other transactions that occurred August 17, 2026 as reported in a Form 4 filed by the Reporting Person on August 18, 2026. --- Footnotes (Complete Index) --- F1: 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. F2: The number of shares reported as beneficially owned following the reported transaction is as of August 17, 2026 and prior to other transactions that occurred August 17, 2026 as reported in a Form 4 filed by the Reporting Person on August 18, 2026. --- Signature --- /s/ /s/ Jae Kim (2026-08-27)