[Form 4] Lumentum Holdings Inc. Insider Trading Activity

Rhea-AI Filing Summary

Lumentum Holdings Inc. (LITE) filed a Form 4 reporting an administrative stock transaction by its Chief Accounting Officer. On 11/15/2025, 1,495 shares of common stock were disposed of at a price of $232.15 per share, described as shares withheld by the company to cover income tax obligations related to vesting restricted stock units. After this withholding, the officer beneficially owned 42,077 shares of Lumentum common stock. This total includes 28 shares acquired through the company’s Employee Stock Purchase Plan on November 14, 2025.

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

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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^*

Sepe Matthew Joseph

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
11/15/2025

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	11/15/2025		F(1)		1,495	D	$232.15	42,077(2)	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. 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.

2. Includes 28 shares acquired pursuant to the Issuer's Employee Stock Purchase Plan on November 14, 2025.

	/s/ Jae Kim as Attorney-in-Fact	11/18/2025
	** 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 insider transaction did Lumentum (LITE) report in this Form 4?

The Form 4 reports that the Chief Accounting Officer had 1,495 shares of Lumentum common stock disposed of on 11/15/2025 at $232.15 per share, in connection with restricted stock unit vesting.

Why were 1,495 Lumentum (LITE) shares disposed of in this filing?

The 1,495 shares were withheld by Lumentum to satisfy income tax withholding and remittance obligations related to the vesting of restricted stock units.

How many Lumentum (LITE) shares does the reporting person own after this transaction?

Following the reported transaction, the Chief Accounting Officer beneficially owned 42,077 shares of Lumentum common stock.

Does the Lumentum (LITE) Form 4 mention shares from an Employee Stock Purchase Plan?

Yes. The filing states that the reported beneficial ownership includes 28 shares acquired under Lumentum’s Employee Stock Purchase Plan on November 14, 2025.

What is the role of the insider in this Lumentum (LITE) Form 4?

The reporting person is an officer of Lumentum Holdings Inc., serving as the company’s Chief Accounting Officer.

Is this Lumentum (LITE) Form 4 filed for one insider or multiple insiders?

The Form 4 is indicated as filed by one reporting person, not a group filing.