Lumentum exec sells 1,500 shares under 10b5-1 plan

A senior Lumentum Holdings Inc. officer reported 1,500 pre-planned common stock sales under a Rule 10b5-1 trading plan.

Rhea-AI Filing Summary

Lumentum Holdings Inc. (LITE) reported that Wupen Yuen, President, Global Business Units, sold a total of 1,500 shares of common stock in three open-market transactions on September 8, 9 and 10, 2026. The sales were made under a Rule 10b5-1 trading plan adopted on May 19, 2026.

Insider Trade Summary 10b5-1

Net Seller: 1,500 shares

Net Sell 3 txns

Insider Wupen Yuen

Role PRESIDENT, GLOBAL BUS. UNITS

Sold 1,500 shs ($1.42M)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	500	$961.44	$481K
Sale	Common Stock F1	500	$978.54	$489K
Sale	Common Stock F1	500	$895.99	$448K

Holdings After Transaction: Common Stock — 114,627 shares (Direct)

Footnotes (1)

1. F1. These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 19, 2026.

Key Figures

Total shares sold: 1,500 shares Sale on September 8, 2026: 500 shares at $895.99 per share Sale on September 9, 2026: 500 shares at $978.54 per share +2 more

5 metrics

Total shares sold 1,500 shares Aggregate insider sales of Lumentum common stock reported in this Form 4

Sale on September 8, 2026 500 shares at $895.99 per share Open-market sale of Lumentum common stock

Sale on September 9, 2026 500 shares at $978.54 per share Open-market sale of Lumentum common stock

Sale on September 10, 2026 500 shares at $961.44 per share Open-market sale of Lumentum common stock

Rule 10b5-1 plan adoption date May 19, 2026 Date the reporting person adopted the trading plan governing these sales

Key Terms

Rule 10b5-1 trading plan, open market or private transaction

2 terms

Rule 10b5-1 trading plan regulatory

"These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

open market or private transaction financial

"Sale in open market or private transaction"

FAQ

What insider transactions did Lumentum (LITE) report in this Form 4?

The company reported that Wupen Yuen, President, Global Business Units, sold 1,500 shares of Lumentum common stock in three separate open-market transactions on September 8, 9 and 10, 2026.

At what prices were the LITE shares sold in this Form 4 filing?

The reported sales were for 500 shares at $895.99 on September 8, 500 shares at $978.54 on September 9, and 500 shares at $961.44 on September 10, 2026.

Was the Lumentum (LITE) insider sale made under a Rule 10b5-1 plan?

Yes. The filing states that all reported sales were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 19, 2026.

How many Lumentum (LITE) shares did the insider sell in total?

Across the three reported transactions, the insider sold a total of 1,500 shares of Lumentum common stock.

Does the Form 4 state how many LITE shares the insider holds after these sales?

No. The reported transactions list the number of shares sold and the prices, but they do not state the insider’s total common stock holdings following the sales.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/10/2026 - 05:36 PM Accepted by SEC EDGAR 09/10/2026 - 05:35 PM Learn about SEC filing dates

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 CALIFORNIA 95131

(City) (State) (Zip)

UNITED STATES

(Country)

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, GLOBAL BUS. UNITS

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/08/2026

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

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

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

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	09/08/2026		S(1)		500	D	$895.99	115,627	D
Common Stock	09/09/2026		S(1)		500	D	$978.54	115,127	D
Common Stock	09/10/2026		S(1)		500	D	$961.44	114,627	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 May 19, 2026.

	/s/ Jae Kim as Attorney-in-Fact	09/10/2026
	** 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.
* Form 4: SEC 1474 (03-26)