Isaac Hosojiro Harris - 31 Dec 2025 Form 4 Insider Report for Lumentum Holdings Inc. (LITE)

Role: Officer title: Interim Chief Procurement Officer, Director
Signature: /s/ Jae Kim as Attorney-in-Fact
Issuer symbol: LITE
Transactions as of: 31 Dec 2025
Net transactions value: -$115,000
Form type: 4
Filing time: 05 Jan 2026, 17:08:53 UTC
Previous filing: 21 Nov 2025
Next filing: 02 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Harris Isaac Hosojiro	Officer title: Interim Chief Procurement Officer, Director	C/O LUMENTUM HOLDINGS INC., 1001 RIDDER PARK DRIVE, SAN JOSE	/s/ Jae Kim as Attorney-in-Fact	05 Jan 2026	0001866503

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	LITE	Common Stock	Award	$0	+870	+7.9%	$0.000000	11,917	31 Dec 2025	Direct	F1
transaction	LITE	Common Stock	Tax liability	$115,000	-312	-2.6%	$368.59	11,605	31 Dec 2025	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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	Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting of RSUs.

Remarks:

Officer title: Interim Chief Procurement Officer