[Form 4] Lumentum Holdings Inc. Insider Trading Activity

Rhea-AI Filing Summary

Lumentum Holdings Inc. (LITE) reported a new equity award to one of its directors. On November 19, 2025, the director acquired 1,283 shares of common stock through a grant coded as an acquisition at a stated price of $0 per share. Following this grant, the director beneficially owns 25,910 shares of Lumentum common stock in direct ownership.

The filing explains that each share in the transaction is represented by a restricted stock unit (RSU), with each RSU giving the right to receive one share of common stock after vesting. 100% of these RSUs vest on the earlier of November 19, 2026 or the day before Lumentum’s next annual meeting of stockholders, as long as the director continues to serve as a service provider under the company’s 2025 Equity Incentive Plan.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Lillie Brian

(Last) (First) (Middle)

C/O LUMENTUM HOLDINGS INC.

1001 RIDDER PARK DRIVE

(Street)

SAN JOSE CA 95131

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Lumentum Holdings Inc. [ LITE ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
11/19/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/19/2025		A		1,283(1)	A	$0	25,910	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Each share is represented by a restricted stock unit (RSU). Each RSU represents the contingent right to receive, following vesting, one share of Common Stock of the Issuer. 100% of the RSUs shall vest on the earlier of November 19, 2026 or the day prior to the the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person continuing through such date as a Service Provider, as defined under the Issuer's 2025 Equity Incentive Plan.

	/s/ Jae Kim as Attorney-in-Fact	11/21/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did the Lumentum (LITE) director report on this Form 4?

The director reported acquiring 1,283 shares of Lumentum common stock, represented by restricted stock units (RSUs) granted on November 19, 2025 at a stated price of $0.

How many Lumentum (LITE) shares does the director now beneficially own?

After the reported transaction, the director beneficially owns 25,910 shares of Lumentum common stock in direct ownership.

What are the vesting terms of the 1,283 Lumentum RSUs reported?

100% of the 1,283 RSUs vest on the earlier of November 19, 2026 or the day prior to Lumentum’s next annual meeting of stockholders, subject to continued service.

What does each Lumentum RSU represent in this Form 4 filing?

Each RSU represents a contingent right to receive, after vesting, one share of Lumentum common stock.

Under which plan were the Lumentum (LITE) RSUs granted?

The RSUs were granted under Lumentum’s 2025 Equity Incentive Plan, which governs awards to eligible service providers.

What condition must be met for the Lumentum RSUs to vest?

The RSUs vest only if the reporting person continues through the vesting date as a Service Provider, as defined under the 2025 Equity Incentive Plan.

What is the relationship of the reporting person to Lumentum (LITE)?

The reporting person is identified as a Director of Lumentum Holdings Inc. and filed the Form 4 as a single reporting person.