Lumentum director Brian Lillie awarded 108 RSUs

Lillie Brian reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Lillie Brian reported acquisition or exercise transactions in this Form 4 filing.

Lumentum Holdings Inc. reported that director Brian Lillie received a grant of 108 restricted stock units, each representing one share of common stock. The RSUs vest 100% on July 15, 2027, contingent on his continued service, and were taken in lieu of the annual cash retainer. Following this award, Lillie directly holds 14,018 shares.

Insider Trade Summary

Grant/Award: 108 shares

Grant/Award 1 txn

Insider Lillie Brian

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	108	$0.00	$0.00

Holdings After Transaction: Common Stock — 14,018 shares (Direct)

Footnotes (1)

1. F1. Each share is represented by a restricted stock unit (RSU). Each RSU represents the contingent right to receive, following vesting, one share of Common Stock of the Issuer. 100% of the RSUs shall vest on July 15, 2027, subject to the Reporting Person continuing through such date as a Service Provider, as defined under the Issuer's 2025 Equity Incentive Plan. The RSUs were granted to the Reporting Person in lieu of the annual cash retainer, at the election of the Reporting Person, under the Issuer's compensation program for non-employee directors.

Key Figures

RSUs granted: 108 shares Grant price per share: $0.0000 Shares held after grant: 14,018 shares +2 more

5 metrics

RSUs granted 108 shares Grant of restricted stock units to director Brian Lillie on July 15, 2026

Grant price per share $0.0000 Per-share price for the RSU award to Brian Lillie

Shares held after grant 14,018 shares Total common shares directly held by Brian Lillie following the award

RSU vesting date July 15, 2027 Date when 100% of the RSUs vest, subject to continued service

Equity plan year 2025 RSUs granted under the issuer's 2025 Equity Incentive Plan

Key Terms

restricted stock unit (RSU), 2025 Equity Incentive Plan, annual cash retainer

3 terms

restricted stock unit (RSU) financial

"Each share is represented by a restricted stock unit (RSU)."

A restricted stock unit (RSU) is a promise from a company to give an employee company shares (or cash equal to their value) at a future date if certain conditions are met, such as staying with the company or hitting performance targets. For investors, RSUs matter because when they convert into actual shares they increase the number of shares available and can create selling pressure as employees cash out—think of them as a future paycheck paid in company stock.

2025 Equity Incentive Plan financial

"as defined under the Issuer's 2025 Equity Incentive Plan."

annual cash retainer financial

"granted to the Reporting Person in lieu of the annual cash retainer,"

FAQ

What insider transaction did Lumentum (LITE) report for director Brian Lillie?

Lumentum reported that director Brian Lillie received 108 restricted stock units (RSUs), each for one share of common stock. The RSUs vest fully on July 15, 2027, were taken instead of his annual cash retainer, and increase his direct holdings to 14,018 shares.

When will Brian Lillie’s 108 Lumentum (LITE) RSUs vest?

Brian Lillie’s 108 RSUs will vest 100% on July 15, 2027. Vesting is contingent on his continuing through that date as a Service Provider under Lumentum’s 2025 Equity Incentive Plan for non-employee directors.

How many Lumentum (LITE) shares does Brian Lillie hold after this RSU grant?

After the RSU grant, Brian Lillie directly holds 14,018 shares of Lumentum common stock. This total includes the newly awarded 108 RSUs, which each represent the contingent right to receive one share upon vesting.

What are the conditions attached to Brian Lillie’s Lumentum (LITE) RSUs?

The 108 RSUs granted to Brian Lillie vest 100% on July 15, 2027, subject to him continuing through that date as a Service Provider as defined under Lumentum’s 2025 Equity Incentive Plan for non-employee directors.

Why were Brian Lillie’s Lumentum (LITE) RSUs granted at $0.00 per share?

The RSUs were granted at $0.0000 per share as part of Lumentum’s non-employee director compensation. They were issued in lieu of the annual cash retainer, at Lillie’s election, rather than purchased in an open-market transaction.

Under which plan were Brian Lillie’s 108 Lumentum (LITE) RSUs issued?

Brian Lillie’s 108 RSUs were granted under Lumentum’s 2025 Equity Incentive Plan. The award forms part of the issuer’s compensation program for non-employee directors and was elected instead of receiving the annual cash retainer.

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Available on EDGAR 07/16/2026 - 08:17 PM Accepted by SEC EDGAR 07/16/2026 - 08:16 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).

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^*

Lillie Brian

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/15/2026

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	07/15/2026		A		108(1)	A	$0	14,018	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. Each share is represented by a restricted stock unit (RSU). Each RSU represents the contingent right to receive, following vesting, one share of Common Stock of the Issuer. 100% of the RSUs shall vest on July 15, 2027, subject to the Reporting Person continuing through such date as a Service Provider, as defined under the Issuer's 2025 Equity Incentive Plan. The RSUs were granted to the Reporting Person in lieu of the annual cash retainer, at the election of the Reporting Person, under the Issuer's compensation program for non-employee directors.

	/s/ Jae Kim as Attorney-in-Fact	07/16/2026
	** 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)