LSCC insider Tonya Stevens reports RSU tax withholding of 574 shares

Rhea-AI Filing Summary

Lattice Semiconductor (LSCC) reported a routine insider transaction. On 10/15/2025, CVP and Chief Accounting Officer Tonya Stevens had 574 shares of common stock withheld by the company at $71.33 under transaction code F, which denotes shares retained to cover taxes upon restricted stock unit vesting. Following this tax withholding, she directly beneficially owned 83,762 shares.

The shares were retained by the issuer to meet tax withholding obligations tied to an RSU vesting event and the amount did not exceed the related tax liability.

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^*

Stevens Tonya

(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)
	CVP, Chief Accounting Officer

3. Date of Earliest Transaction (Month/Day/Year)
10/15/2025

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	10/15/2025		F(1)		574	D	$71.33	83,762	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: Tonya Stevens	10/16/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transaction did LSCC disclose on this Form 4?

An officer had 574 shares withheld at $71.33 to cover taxes related to an RSU vesting on 10/15/2025.

Who is the reporting person in the LSCC Form 4?

It is Tonya Stevens, LSCC’s CVP and Chief Accounting Officer.

What does transaction code F indicate for LSCC’s filing?

Code F indicates shares were withheld by the issuer to satisfy tax withholding on equity award vesting.

How many LSCC shares does the officer own after the transaction?

Following the transaction, the officer directly beneficially owned 83,762 shares.

Was this an open-market sale of LSCC shares?

No. The shares were retained by the issuer to meet tax withholding obligations tied to RSU vesting.

What was the per-share price used for the tax withholding?

The price listed was $71.33 per share.

What is the issuer in this Form 4 and its ticker?

The issuer is Lattice Semiconductor Corporation with ticker LSCC.