Does the Form 4 state the total net share change for LITE insider Vincent Retort?

Yes. The transaction summary shows 38,663 shares sold and a net buy/sell direction of net-sell totaling -38,663 shares.

Lumentum EVP sells 38,663 shares in plan trade

Q: What insider sales did LITE disclose for Vincent Retort on this Form 4?

LITE disclosed that Vincent Retort sold 38,663 shares of common stock in 18 open-market transactions on August 25, 2026, at weighted average prices ranging from $842.2161 to $860.0520 per share.

Q: Were the August 25, 2026 LITE insider sales under a Rule 10b5-1 plan?

Yes. The filing states the shares were sold pursuant to a Rule 10b5-1 trading plan adopted by Vincent Retort on November 13, 2025.

Lumentum Holdings Inc. (LITE) reports that Executive Vice President, Global Reliability & Quality Vincent Retort sold 38,663 shares of common stock on August 25, 2026.

Filing Impact

(Neutral)

Filing Sentiment

(Very Negative)How Sentiment works

Sentiment and the balance of points

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Form Type

Rhea-AI Filing Summary

Lumentum Holdings Inc. (LITE) reports that Executive Vice President, Global Reliability & Quality Vincent Retort sold 38,663 shares of common stock on August 25, 2026. The 18 open-market transactions were executed at weighted average prices between $842.2161 and $860.0520 per share under a Rule 10b5-1 trading plan adopted on November 13, 2025.

Insider Trade Summary 10b5-1

Net Seller: 38,663 shares

Net Sell 18 txns

Insider Retort Vincent

Role SEE REMARKS

Sold 38,663 shs ($32.96M)

Type	Security	Shares	Price	Value
Sale	Common Stock ^{F1, F2}	360	$842.2161	$303K
Sale	Common Stock ^{F1, F3}	1,213	$843.6014	$1.02M
Sale	Common Stock ^{F1, F4}	1,053	$844.6082	$889K
Sale	Common Stock ^{F1, F5}	631	$845.6299	$534K
Sale	Common Stock ^{F1, F6}	2,073	$846.4448	$1.75M
Sale	Common Stock ^{F1, F7}	2,121	$847.516	$1.80M
Sale	Common Stock ^{F1, F8}	1,102	$848.6576	$935K
Sale	Common Stock ^{F1, F9}	1,528	$849.7055	$1.30M
Sale	Common Stock ^{F1, F10}	3,017	$850.6556	$2.57M
Sale	Common Stock ^{F1, F11}	4,426	$851.6762	$3.77M
Sale	Common Stock ^{F1, F12}	3,711	$852.6005	$3.16M
Sale	Common Stock ^{F1, F13}	2,465	$853.6179	$2.10M
Sale	Common Stock ^{F1, F14}	3,486	$854.8859	$2.98M
Sale	Common Stock ^{F1, F15}	800	$855.8411	$685K
Sale	Common Stock ^{F1, F16}	4,676	$856.7089	$4.01M
Sale	Common Stock ^{F1, F17}	3,511	$857.95	$3.01M
Sale	Common Stock ^{F1, F18}	188	$858.8163	$161K
Sale	Common Stock ^{F1, F19}	2,302	$860.052	$1.98M

Holdings After Transaction: Common Stock — 78,440 shares (Direct)

Footnotes (19)

F1. These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 13, 2025.
F2. These sales were executed in multiple trades at prices ranging from $841.745 to $842.695. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide full information regarding the number of shares sold at each separate price, within the ranges set forth in footnotes (2) through (19) to this Form 4, upon request, to the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer.
F3. These sales were executed in multiple trades at prices ranging from $843.00 to $843.93.
F4. These sales were executed in multiple trades at prices ranging from $844.00 to $844.93.
F5. These sales were executed in multiple trades at prices ranging from $845.00 to $845.99.
F6. These sales were executed in multiple trades at prices ranging from $846.00 to $846.99.
F7. These sales were executed in multiple trades at prices ranging from $847.00 to $847.99.
F8. These sales were executed in multiple trades at prices ranging from $848.075 to $849.05.
F9. These sales were executed in multiple trades at prices ranging from $849.08 to $850.03.
F10. These sales were executed in multiple trades at prices ranging from $850.17 to $851.04.
F11. These sales were executed in multiple trades at prices ranging from $851.175 to $852.17.
F12. These sales were executed in multiple trades at prices ranging from $852.175 to $853.17.
F13. These sales were executed in multiple trades at prices ranging from $853.18 to $854.17.
F14. These sales were executed in multiple trades at prices ranging from $854.295 to $855.17.
F15. These sales were executed in multiple trades at prices ranging from $855.41 to $856.2725.
F16. These sales were executed in multiple trades at prices ranging from $856.46 to $857.43.
F17. These sales were executed in multiple trades at prices ranging from $857.53 to $858.51.
F18. These sales were executed in multiple trades at prices ranging from $858.595 to $859.42.
F19. These sales were executed in multiple trades at prices ranging from $859.99 to $860.83.

Key Figures

Total shares sold: 38,663 shares Number of sale transactions: 18 transactions Lowest weighted average sale price: $842.2161 per share +3 more

6 metrics

Total shares sold 38,663 shares Common stock sales by Vincent Retort on August 25, 2026

Number of sale transactions 18 transactions Open-market or private sale transactions on August 25, 2026

Lowest weighted average sale price $842.2161 per share Weighted average price for one of the August 25, 2026 sale blocks

Highest weighted average sale price $860.0520 per share Weighted average price for one of the August 25, 2026 sale blocks

Net buy/sell shares -38,663 shares Transaction summary netBuySellShares for this Form 4

Rule 10b5-1 plan adoption date November 13, 2025 Adoption date of trading plan governing these sales

Key Terms

Rule 10b5-1 trading plan, weighted average sale price, open market or private transaction, multiple trades

4 terms

Rule 10b5-1 trading plan regulatory

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

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.

weighted average sale price financial

"The price reported above reflects the weighted average sale price."

open market or private transaction financial

"Sale in open market or private transaction"

multiple trades financial

"These sales were executed in multiple trades at prices ranging from"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider sales did LITE disclose for Vincent Retort on this Form 4?

LITE disclosed that Vincent Retort sold 38,663 shares of common stock in 18 open-market transactions on August 25, 2026, at weighted average prices ranging from $842.2161 to $860.0520 per share.

Were the August 25, 2026 LITE insider sales under a Rule 10b5-1 plan?

Yes. The filing states the shares were sold pursuant to a Rule 10b5-1 trading plan adopted by Vincent Retort on November 13, 2025.

How many LITE transactions did the Form 4 report for August 25, 2026?

The Form 4 reports 18 separate open-market sale transactions in Lumentum Holdings Inc. common stock on August 25, 2026.

What was the price range of Vincent Retort’s LITE stock sales?

The reported weighted average sale prices for the transactions range from $842.2161 to $860.0520 per share, with underlying trades in narrower ranges described in the footnotes.

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

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Available on EDGAR 08/28/2026 - 09:00 AM EDT Accepted by SEC EDGAR 08/27/2026 - 09:57 PM EDT

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).

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^*

Retort Vincent

(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)
	SEE REMARKS

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/25/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	08/25/2026		S⁽¹⁾		360	D	$842.2161⁽²⁾	116,743	D
Common Stock	08/25/2026		S⁽¹⁾		1,213	D	$843.6014⁽³⁾	115,530	D
Common Stock	08/25/2026		S⁽¹⁾		1,053	D	$844.6082⁽⁴⁾	114,477	D
Common Stock	08/25/2026		S⁽¹⁾		631	D	$845.6299⁽⁵⁾	113,846	D
Common Stock	08/25/2026		S⁽¹⁾		2,073	D	$846.4448⁽⁶⁾	111,773	D
Common Stock	08/25/2026		S⁽¹⁾		2,121	D	$847.516⁽⁷⁾	109,652	D
Common Stock	08/25/2026		S⁽¹⁾		1,102	D	$848.6576⁽⁸⁾	108,550	D
Common Stock	08/25/2026		S⁽¹⁾		1,528	D	$849.7055⁽⁹⁾	107,022	D
Common Stock	08/25/2026		S⁽¹⁾		3,017	D	$850.6556⁽¹⁰⁾	104,005	D
Common Stock	08/25/2026		S⁽¹⁾		4,426	D	$851.6762⁽¹¹⁾	99,579	D
Common Stock	08/25/2026		S⁽¹⁾		3,711	D	$852.6005⁽¹²⁾	95,868	D
Common Stock	08/25/2026		S⁽¹⁾		2,465	D	$853.6179⁽¹³⁾	93,403	D
Common Stock	08/25/2026		S⁽¹⁾		3,486	D	$854.8859⁽¹⁴⁾	89,917	D
Common Stock	08/25/2026		S⁽¹⁾		800	D	$855.8411⁽¹⁵⁾	89,117	D
Common Stock	08/25/2026		S⁽¹⁾		4,676	D	$856.7089⁽¹⁶⁾	84,441	D
Common Stock	08/25/2026		S⁽¹⁾		3,511	D	$857.95⁽¹⁷⁾	80,930	D
Common Stock	08/25/2026		S⁽¹⁾		188	D	$858.8163⁽¹⁸⁾	80,742	D
Common Stock	08/25/2026		S⁽¹⁾		2,302	D	$860.052⁽¹⁹⁾	78,440	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 13, 2025.

2. These sales were executed in multiple trades at prices ranging from $841.745 to $842.695. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide full information regarding the number of shares sold at each separate price, within the ranges set forth in footnotes (2) through (19) to this Form 4, upon request, to the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer.

3. These sales were executed in multiple trades at prices ranging from $843.00 to $843.93.

4. These sales were executed in multiple trades at prices ranging from $844.00 to $844.93.

5. These sales were executed in multiple trades at prices ranging from $845.00 to $845.99.

6. These sales were executed in multiple trades at prices ranging from $846.00 to $846.99.

7. These sales were executed in multiple trades at prices ranging from $847.00 to $847.99.

8. These sales were executed in multiple trades at prices ranging from $848.075 to $849.05.

9. These sales were executed in multiple trades at prices ranging from $849.08 to $850.03.

10. These sales were executed in multiple trades at prices ranging from $850.17 to $851.04.

11. These sales were executed in multiple trades at prices ranging from $851.175 to $852.17.

12. These sales were executed in multiple trades at prices ranging from $852.175 to $853.17.

13. These sales were executed in multiple trades at prices ranging from $853.18 to $854.17.

14. These sales were executed in multiple trades at prices ranging from $854.295 to $855.17.

15. These sales were executed in multiple trades at prices ranging from $855.41 to $856.2725.

16. These sales were executed in multiple trades at prices ranging from $856.46 to $857.43.

17. These sales were executed in multiple trades at prices ranging from $857.53 to $858.51.

18. These sales were executed in multiple trades at prices ranging from $858.595 to $859.42.

19. These sales were executed in multiple trades at prices ranging from $859.99 to $860.83.

Remarks:

Officer title: Executive Vice President, Global Reliability & Quality

	/s/ Jae Kim as Attorney-in-Fact	08/27/2026
	** 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)

Source: View Original Filing on SEC EDGAR