[Form 4] LATTICE SEMICONDUCTOR CORP Insider Trading Activity

Rhea-AI Filing Summary

Lattice Semiconductor Corporation (LSCC) senior vice president of marketing and strategy Esam Elashmawi filed a Form 4 reporting small share dispositions related to tax withholding on vested equity awards. On 11/17/2025, the issuer withheld 437 shares of common stock at a price of $61.73 per share, and on 11/18/2025 it withheld an additional 450 shares at $64.70 per share. These shares were retained by the company to satisfy the reporting person's tax obligations from the vesting of restricted stock units, and the filing states the amount retained was not in excess of the tax liability. After these transactions, Elashmawi beneficially owned 328,733 shares of Lattice common stock directly.

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^*

Elashmawi Esam

(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 Mktg & Strategy

3. Date of Earliest Transaction (Month/Day/Year)
11/17/2025

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	11/17/2025		F(1)		437	D	$61.73	329,183	D
Common Stock	11/18/2025		F(1)		450	D	$64.7	328,733	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: Esam Elashmawi	11/19/2025
	** 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.
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.

FAQ

What insider transaction did Lattice Semiconductor (LSCC) report in this Form 4?

The Form 4 reports that SVP Mktg & Strategy Esam Elashmawi had shares of Lattice Semiconductor common stock withheld by the issuer to cover tax obligations from vesting restricted stock units.

How many Lattice Semiconductor (LSCC) shares were withheld for taxes?

The issuer retained 437 shares of common stock on 11/17/2025 at $61.73 per share and 450 shares on 11/18/2025 at $64.70 per share to satisfy tax withholding obligations.

Why were LSCC shares retained by the issuer in this transaction?

The filing explains that the shares were retained by the issuer to meet the tax withholding obligations of the reporting person in connection with the vesting of an installment of restricted stock units.

Did the tax withholding on LSCC shares exceed the reporting person’s tax liability?

No. The disclosure states that the amount of shares retained by the issuer was not in excess of the amount of the tax liability for the reporting person.

How many LSCC shares does the insider own after these transactions?

Following the reported transactions, Esam Elashmawi beneficially owned 328,733 shares of Lattice Semiconductor common stock directly.

What is the reporting person’s role at Lattice Semiconductor (LSCC)?

The reporting person, Esam Elashmawi, is an officer of Lattice Semiconductor Corporation, serving as SVP Mktg & Strategy.