[Form 4] Lumentum Holdings Inc. Insider Trading Activity

Rhea-AI Filing Summary

Matthew Joseph Sepe, Chief Accounting Officer of Lumentum Holdings Inc. (LITE), reported a tax-withholding disposition related to vested restricted stock units. On 08/15/2025, 837 shares of common stock were disposed (Transaction Code F(1)) at an indicated price of $115.86 per share to satisfy income tax withholding and remittance obligations tied to RSU vesting. After the withholding, Sepe beneficially owned 37,591 shares, held directly. The Form 4 was executed by an attorney-in-fact, Jae Kim, on 08/19/2025. The filing identifies Sepe as an officer of the issuer.

Positive

• Transparency: The filing clearly discloses the withholding transaction and provides an explanation linking it to RSU vesting.
• Continued insider ownership: The reporting person retains 37,591 shares after the withholding, maintaining alignment with shareholders.

Negative

• Disposition recorded: 837 shares were disposed of (withheld) on 08/15/2025, reducing direct shareholdings.
• No market context provided: The Form 4 does not state whether any additional planned sales or compensation events exist.

Insights

Financial Analyst

TL;DR: Routine insider tax-withholding sale of RSUs; ownership remains material but this is not an open-market sell.

The Form 4 documents a withholding disposition of 837 shares at $115.86 to satisfy tax obligations from RSU vesting. Such transactions are common compensation-related transfers and do not indicate a voluntary market sale by the officer. Remaining direct beneficial ownership of 37,591 shares preserves alignment with shareholders. No additional sales, derivative transactions, or changes in control are disclosed.

Corporate Governance Expert

TL;DR: Governance routine: officer RSU withholding reported correctly, executed via attorney-in-fact.

The filing correctly uses Transaction Code F(1) with an explicit explanatory note that shares were withheld to satisfy income tax withholding on vested RSUs. The report names the reporting person as Chief Accounting Officer and shows the Form 4 was signed by an attorney-in-fact, which is a standard administrative practice. No indications of extraordinary compensation events or governance concerns are present in the disclosed text.

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^*

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)
08/15/2025

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	08/15/2025		F(1)		837	D	$115.86	37,591	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.

	/s/ Jae Kim as Attorney-in-Fact	08/19/2025
	** 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 transaction did Matthew Joseph Sepe report on Form 4 for LITE?

The filing reports a withholding disposition of 837 shares on 08/15/2025 at $115.86 per share to satisfy income tax withholding related to RSU vesting.

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

After the reported withholding, the reporting person beneficially owned 37,591 shares held directly.

What does Transaction Code F(1) indicate on this Form 4?

In this filing, Transaction Code F(1) corresponds to shares withheld by the issuer to satisfy tax withholding obligations on vested restricted stock units, as explained in the form.

Who signed the Form 4 for Matthew Sepe and when?

The Form 4 was signed by attorney-in-fact Jae Kim on 08/19/2025.

Is the reporting person an officer or director of Lumentum?

The form identifies the reporting person as an officer with the title Chief Accounting Officer.