Lumentum (LITE)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-15 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Lumentum Holdings Inc. (LITE) CIK: 0001633978 --- Reporting Owner --- Name: Wupen Yuen CIK: 0001489550 Role: Officer (PRESIDENT, GLOBAL BUS. UNITS) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-08-15 | Code: F (Payment of exercise/tax) Shares: -3,741 | Price: $926.14 Total Value: $3,464,689.74 Shares Owned After: 77,747 | Ownership: D (Direct) Footnotes: [F1] Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting of restricted stock units. [Transaction #2] Security: Common Stock Date: 2026-08-17 | Code: A (Grant or award) Shares: +57,103 | Price: $0.00 Shares Owned After: 134,850 | Ownership: D (Direct) Footnotes: [F2] Represents the acquisition of shares upon the determination of the Compensation Committee of the Board of Directors of the Issuer that certain performance conditions were met with respect to certain performance stock units ("PSUs") granted to the Reporting Person on August 23, 2023. [Transaction #3] Security: Common Stock Date: 2026-08-17 | Code: F (Payment of exercise/tax) Shares: -29,056 | Price: $968.90 Total Value: $28,152,358.40 Shares Owned After: 105,794 | Ownership: D (Direct) Footnotes: [F3] Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting of PSUs. --- Footnotes (Complete Index) --- F1: Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting of restricted stock units. F2: Represents the acquisition of shares upon the determination of the Compensation Committee of the Board of Directors of the Issuer that certain performance conditions were met with respect to certain performance stock units ("PSUs") granted to the Reporting Person on August 23, 2023. F3: Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting of PSUs. --- Signature --- /s/ /s/ Jae Kim as Attorney-in-Fact (2026-08-18)