=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-03-31
10b5-1 Pre-arranged Plan: No
--- Issuer ---
Name: Lumentum Holdings Inc. (LITE)
CIK: 0001633978
--- Reporting Owner ---
Name: Harris Isaac Hosojiro
CIK: 0001866503
Role: Director
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Common Stock
Date: 2026-03-31 | Code: A (Grant or award)
Shares: +374 | Price: $0.00
Shares Owned After: 12,774 | Ownership: D (Direct)
Footnotes:
[F1] These securities are fully vested restricted stock units (RSUs). Each RSU represents a right to receive one share of Common Stock of the Issuer.
[F2] The number of shares reported as beneficially owned following the reported transaction is as of March 31, 2026.
[Transaction #2]
Security: Common Stock
Date: 2026-03-31 | Code: F (Payment of exercise/tax)
Shares: -125 | Price: $702.76
Total Value: $87,845.00
Shares Owned After: 12,649 | 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 RSUs.
[F2] The number of shares reported as beneficially owned following the reported transaction is as of March 31, 2026.
[Transaction #3]
Security: Common Stock
Date: 2026-04-30 | Code: A (Grant or award)
Shares: +320 | Price: $0.00
Shares Owned After: 12,969 | Ownership: D (Direct)
Footnotes:
[F1] These securities are fully vested restricted stock units (RSUs). Each RSU represents a right to receive one share of Common Stock of the Issuer.
[F4] The number of shares reported as beneficially owned following the reported transaction is as of April 30, 2026.
[Transaction #4]
Security: Common Stock
Date: 2026-04-30 | Code: F (Payment of exercise/tax)
Shares: -145 | Price: $902.32
Total Value: $130,836.40
Shares Owned After: 12,824 | 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 RSUs.
[F4] The number of shares reported as beneficially owned following the reported transaction is as of April 30, 2026.
[Transaction #5]
Security: Common Stock
Date: 2026-05-29 | Code: A (Grant or award)
Shares: +258 | Price: $0.00
Shares Owned After: 13,082 | Ownership: D (Direct)
Footnotes:
[F1] These securities are fully vested restricted stock units (RSUs). Each RSU represents a right to receive one share of Common Stock of the Issuer.
[F5] The number of shares reported as beneficially owned following the reported transaction is as of May 29, 2026, prior to the 4,000 share stock sale on May 29, 2026 reported in the Reporting Person's Form 4 filed June 1, 2026.
[Transaction #6]
Security: Common Stock
Date: 2026-05-29 | Code: F (Payment of exercise/tax)
Shares: -125 | Price: $854.96
Total Value: $106,870.00
Shares Owned After: 12,957 | 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 RSUs.
[F5] The number of shares reported as beneficially owned following the reported transaction is as of May 29, 2026, prior to the 4,000 share stock sale on May 29, 2026 reported in the Reporting Person's Form 4 filed June 1, 2026.
--- Footnotes (Complete Index) ---
F1: These securities are fully vested restricted stock units (RSUs). Each RSU represents a right to receive one share of Common Stock of the Issuer.
F2: The number of shares reported as beneficially owned following the reported transaction is as of March 31, 2026.
F3: Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting of RSUs.
F4: The number of shares reported as beneficially owned following the reported transaction is as of April 30, 2026.
F5: The number of shares reported as beneficially owned following the reported transaction is as of May 29, 2026, prior to the 4,000 share stock sale on May 29, 2026 reported in the Reporting Person's Form 4 filed June 1, 2026.
--- Signature ---
/s/ /s/ Jae Kim as Attorney-in-Fact (2026-07-07)
