[Form 4] LATTICE SEMICONDUCTOR CORP Insider Trading Activity

Rhea-AI Filing Summary

Lattice Semiconductor Corporation reported an insider equity transaction involving its SVP of R&D on 11/16/2025. A total of 592 shares of common stock were withheld by the company at a price of $64.18 per share to satisfy the executive’s tax withholding obligations arising from the vesting of restricted stock units. The filing notes that the amount retained was not more than the related tax liability. After this transaction, the reporting person beneficially owned 111,621 shares of Lattice Semiconductor common stock in direct ownership.

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

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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^*

Desale Pravin

(Last) (First) (Middle)

5555 NE MOORE COURT

(Street)

HILLSBORO OR 97124

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
LATTICE SEMICONDUCTOR CORP [ LSCC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, R&D

3. Date of Earliest Transaction (Month/Day/Year)
11/16/2025

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

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

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

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	11/16/2025		F(1)		592	D	$64.18	111,621	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 retained by the Issuer in order to meet the tax withholding obligations of the Reporting Person in connection with the vesting of an installment of the restricted stock units. The amount retained by the Issuer was not in excess of the amount of the tax liability.

	/s/ Tracy Feanny, Attorney in Fact For: Pravin Desale	11/17/2025
	** 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.
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FAQ

What insider transaction did LSCC report in this Form 4?

The Form 4 reports that Lattice Semiconductor’s SVP of R&D had 592 shares of common stock withheld by the company on 11/16/2025 to cover taxes related to the vesting of restricted stock units.

Who is the LSCC insider involved in this Form 4 filing and what is their role?

The insider is an officer of Lattice Semiconductor Corporation (LSCC), serving as SVP, R&D, as indicated in the relationship section of the filing.

At what price were the 592 LSCC shares withheld for tax purposes?

The 592 shares of Lattice Semiconductor common stock were withheld at a price of $64.18 per share in connection with tax withholding on restricted stock unit vesting.

How many LSCC shares does the insider own after this reported transaction?

Following the reported tax withholding transaction, the insider beneficially owns 111,621 shares of Lattice Semiconductor common stock, held in direct ownership.

Why did Lattice Semiconductor retain 592 shares from the insider?

The company retained 592 shares to meet the insider’s tax withholding obligations tied to the vesting of restricted stock units. The filing states that the amount retained was not in excess of the tax liability.

Does this LSCC Form 4 involve any derivative securities like options or warrants?

The Form 4 includes a section for derivative securities, but in this instance there are no derivative transactions reported; only the withholding of 592 common shares for tax purposes is shown.