Lumentum Holdings Inc. (LITE) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-15 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: Lumentum Holdings Inc. (LITE) CIK: 0001633978 --- Reporting Owner --- Name: Retort Vincent CIK: 0001648256 Role: Officer (SEE REMARKS) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-15 | Code: F (Payment of exercise/tax) Shares: -3,299 | Price: $970.70 Total Value: $3,202,339.30 Shares Owned After: 92,746 | 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. [F2] Includes 70 shares acquired pursuant to the Issuer's Employee Stock Purchase Plan on May 15, 2026. [Transaction #2] Security: Common Stock Date: 2026-05-18 | Code: S (Open market sale) Shares: -3,183 | Price: $953.95 Total Value: $3,036,422.85 Shares Owned After: 89,563 | Ownership: D (Direct) Footnotes: [F3] These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 13, 2025. --- 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: Includes 70 shares acquired pursuant to the Issuer's Employee Stock Purchase Plan on May 15, 2026. F3: These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 13, 2025. --- Signature --- /s/ /s/ Jae Kim as Attorney-in-Fact (2026-05-19)