[Form 4] Lumentum Holdings Inc. Insider Trading Activity

Rhea-AI Filing Summary

Wupen Yuen, President, Cloud & Networking at Lumentum Holdings Inc. (LITE), reported sales of common stock under a pre-existing Rule 10b5-1 trading plan. On 08/26/2025 she sold 3,282 shares at $124.39 each, leaving 104,554 shares beneficially owned after that transaction. On 08/27/2025 she sold 3,281 shares at $124.86 each, leaving 101,273 shares beneficially owned after that second transaction. The report was signed on 08/28/2025 by an attorney-in-fact and states the 10b5-1 plan was adopted on February 11, 2025.

Positive

• Transactions were disclosed promptly on a Form 4 with specific dates, share counts, and prices
• Sales executed under a Rule 10b5-1 plan, with the plan adoption date (February 11, 2025) disclosed

Negative

• Insider disposed of 6,563 shares across two transactions on 08/26/2025 and 08/27/2025

Insights

Financial Analyst

TL;DR Insider sales occurred under a disclosed 10b5-1 plan; filings provide clear trade dates, sizes, and prices.

The filing documents two separate dispositions on consecutive days totaling 6,563 shares sold at prices of $124.39 and $124.86. The report identifies the reporting person and shows beneficial ownership levels after each sale. Because the trades were executed pursuant to a Rule 10b5-1 plan adopted February 11, 2025, timing is pre-authorized and the filing supplies the core data investors need to record insider activity.

Corporate Governance Expert

TL;DR The filing reflects routine, pre-planned insider dispositions and is properly reported by an officer.

The Form 4 discloses that the disposals were made under a Rule 10b5-1 plan and includes transaction codes, share counts, and prices, fulfilling Section 16 reporting requirements. The signature by an attorney-in-fact is present. The disclosure is straightforward and does not add other governance events or qualifiers.

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
Estimated average burden
hours per response:			0.5

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

X

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^*

Wupen Yuen

(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)
	PRESIDENT, CLOUD & NETWORKING

3. Date of Earliest Transaction (Month/Day/Year)
08/26/2025

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	08/26/2025		S(1)		3,282	D	$124.39	104,554	D
Common Stock	08/27/2025		S(1)		3,281	D	$124.86	101,273	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. These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 11, 2025.

	/s/ Jae Kim as Attorney-in-Fact	08/28/2025
	** 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 trades did Wupen Yuen report for Lumentum (LITE)?

The Form 4 shows sales of 3,282 shares on 08/26/2025 at $124.39 and 3,281 shares on 08/27/2025 at $124.86.

Were the sales part of a trading plan for LITE insider Wupen Yuen?

Yes. The filing states the shares were sold pursuant to a Rule 10b5-1 trading plan adopted on February 11, 2025.

How many Lumentum shares did Wupen Yuen own after the reported transactions?

The Form 4 reports 104,554 shares beneficially owned after the 08/26 sale and 101,273 shares after the 08/27 sale.

Who signed the Form 4 filing for Wupen Yuen?

The Form 4 is signed by /s/ Jae Kim as Attorney-in-Fact on 08/28/2025.

What is the reporting person’s title at Lumentum?

The filing lists the reporting person as PRESIDENT, CLOUD & NETWORKING for Lumentum Holdings Inc.