Lumentum (LITE) director sells 4,000 shares in Rule 10b5-1 trade

Filing Impact

(Very High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Lumentum Holdings Inc. director Isaac Hosojiro sold shares in a pre-planned trade. On May 29, 2026, he completed an open-market sale of 4,000 shares of Lumentum common stock at $860.00 per share. After this transaction, he directly holds 8,400 shares of common stock. The sale was executed under a Rule 10b5-1 trading plan that he adopted on February 27, 2026, indicating the trade was pre-arranged rather than a discretionary move based on short-term market conditions.

Insider Trade Summary 10b5-1

Net Seller: 4,000 shares ($3,440,000)

Net Sell 1 txn

Insider Harris Isaac Hosojiro

Role null

Sold 4,000 shs ($3.44M)

Type	Security	Shares	Price	Value
Sale	Common Stock	4,000	$860.00	$3.44M

Holdings After Transaction: Common Stock — 8,400 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares sold: 4,000 shares Sale price: $860.00 per share Shares held after: 8,400 shares +1 more

4 metrics

Shares sold 4,000 shares Open-market sale on May 29, 2026

Sale price $860.00 per share Common stock transaction

Shares held after 8,400 shares Direct ownership following transaction

Net buy/sell shares 4,000 shares net-sell Form 4 transaction summary

Key Terms

Rule 10b5-1 trading plan, open-market sale, Common Stock, Form 4

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.

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

""security_title": "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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Form 4 Insider Transactions: What Each Field Means →

06/01/2026 - 08:58 PM

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^*

Harris Isaac Hosojiro

(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)
05/29/2026

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	05/29/2026		S⁽¹⁾		4,000	D	$860	8,400	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 February 27, 2026.

	/s/ Jae Kim as Attorney-in-Fact	06/01/2026
	** 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

FAQ

What insider transaction did Lumentum (LITE) report for Isaac Hosojiro?

Lumentum reported that director Isaac Hosojiro completed an open-market sale of 4,000 shares of common stock on May 29, 2026 at $860.00 per share. The sale was executed under a pre-arranged Rule 10b5-1 trading plan.

How many Lumentum (LITE) shares did Isaac Hosojiro sell and at what price?

Isaac Hosojiro sold 4,000 shares of Lumentum common stock at $860.00 per share. This open-market transaction was reported on Form 4 and was conducted pursuant to a Rule 10b5-1 trading plan adopted earlier in 2026.

How many Lumentum (LITE) shares does Isaac Hosojiro hold after this sale?

Following the reported sale, Isaac Hosojiro directly owns 8,400 shares of Lumentum common stock. This post-transaction holding is disclosed in the Form 4 and reflects his remaining direct equity position after selling 4,000 shares.

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

Yes. The footnote states the 4,000-share sale was made under a Rule 10b5-1 trading plan adopted by Isaac Hosojiro on February 27, 2026. Such plans pre-schedule trades and can indicate routine portfolio management.

What type of transaction did Isaac Hosojiro report in the Lumentum (LITE) Form 4?

He reported a non-derivative open-market sale of common stock, coded as “S” on Form 4. The transaction involved 4,000 shares sold at $860.00 each, with ownership remaining direct after the sale.