Family trust of Lattice (NASDAQ: LSCC) director sells 12,779 shares

Rhea-AI Filing Summary

Lattice Semiconductor director-associated family trust sold 12,779 shares of common stock in open-market transactions on 2026-02-25. The sales were reported at weighted average prices of $100.66 and $101.21.

Following these transactions, the family trust held 25,738 shares indirectly, and David Jeffrey Richardson directly owned 4,193 shares.

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^*

RICHARDSON DAVID JEFFREY

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/25/2026

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								4,193	D
Common Stock	02/25/2026		S		11,299	D	$100.66(1)	27,218	I	by Family Trust
Common Stock	02/25/2026		S		1,480	D	$101.21(2)	25,738	I	by Family Trust

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. This transaction was executed in multiple trades at prices ranging from $100.0960 to $101.0700. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

2. This transaction was executed in multiple trades at prices ranging from $101.1300 to $101.3200. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

	/s/ Tracy Feanny, Attorney in Fact For: David Jeffrey Richardson	02/26/2026
	** 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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** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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FAQ

What insider transactions did LSCC director David Jeffrey Richardson report?

David Jeffrey Richardson reported that a family trust associated with him sold 12,779 shares of Lattice Semiconductor common stock on 2026-02-25 in open-market transactions. After these sales, the trust held 25,738 shares indirectly and Richardson directly held 4,193 shares.

At what prices were the LSCC shares sold in this Form 4 filing?

The reported LSCC share sales occurred at weighted average prices of $100.66 and $101.21. Footnotes explain these averages reflect multiple trades within price ranges, and detailed breakdowns are available upon request from the company, regulators, or LSCC security holders.

How many LSCC shares does the family trust hold after the reported sales?

After the reported transactions, the family trust associated with director David Jeffrey Richardson held 25,738 LSCC common shares indirectly. This reflects the remaining balance following open-market sales totaling 12,779 shares on 2026-02-25, as disclosed in the Form 4 insider trading report.

What is David Jeffrey Richardson’s direct LSCC share ownership after these trades?

Following the reported insider transactions, David Jeffrey Richardson directly owned 4,193 shares of Lattice Semiconductor common stock. The sales disclosed in the filing were executed through a family trust, categorized as indirect ownership, while his direct holdings remained at this reported level.

Were the LSCC insider sales executed in a single trade or multiple trades?

The LSCC insider sales were executed in multiple trades within specified price ranges, not single trades. Footnotes state that the reported prices are weighted averages and that full information on each individual sale price and share count is available upon request from appropriate parties.