Lumentum executive sells 500 shares on three days

All three reported sales were made under a Rule 10b5-1 trading plan adopted on May 19, 2026.

Rhea-AI Filing Summary

Lumentum Holdings Inc. President, Global Bus. Units Wupen Yuen reported direct sales of 500 shares of Common Stock at $959.27 per share on September 21, 2026, 500 shares at $935.55 per share on September 22, and 500 shares at $946.56 per share on September 23. All three 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	$946.56	$473K
Sale	Common Stock F1	500	$935.55	$468K
Sale	Common Stock F1	500	$959.27	$480K

Holdings After Transaction: Common Stock — 110,127 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

Shares sold: 500 shares Shares sold: 500 shares Shares sold: 500 shares +3 more

6 metrics

Shares sold 500 shares September 21, 2026; at $959.27 per share

Shares sold 500 shares September 22, 2026; at $935.55 per share

Shares sold 500 shares September 23, 2026; at $946.56 per share

Sale price $959.27 per share September 21, 2026

Sale price $935.55 per share September 22, 2026

Sale price $946.56 per share September 23, 2026

Key Terms

Rule 10b5-1 trading plan

1 terms

Rule 10b5-1 trading plan regulatory

"sold pursuant to a Rule 10b5-1 trading plan"

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.

FAQ

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How many LITE shares did Wupen Yuen sell, and at what prices?

Wupen Yuen sold 500 shares on each of September 21, September 22, and September 23, 2026, at $959.27, $935.55, and $946.56 per share, respectively. The sales were made under a Rule 10b5-1 trading plan adopted on May 19, 2026.

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

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 09/23/2026 - 04:47 PM Accepted by SEC EDGAR 09/23/2026 - 04:47 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)
09/21/2026

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	09/21/2026		S(1)		500	D	$959.27	111,127	D
Common Stock	09/22/2026		S(1)		500	D	$935.55	110,627	D
Common Stock	09/23/2026		S(1)		500	D	$946.56	110,127	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	09/23/2026
	** 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)