Lattice Semiconductor (LSCC) officer sells 3,230 shares in plan

Rhea-AI Filing Summary

Lattice Semiconductor executive Tonya Stevens, the company’s CVP and Chief Accounting Officer, reported selling a total of 3,230 shares of common stock on March 2, 2026 in open-market transactions. The sales, executed under a pre-arranged Rule 10b5-1 trading plan adopted on November 19, 2025, were completed at weighted average prices of $95.3036 for 2,130 shares and $95.5286 for 1,100 shares. After these trades, Stevens directly owned 62,302 shares of Lattice Semiconductor common stock.

Insider Trade Summary

Net Seller: 3,230 shares ($308,078)

Net Sell 2 txns

Insider Stevens Tonya

Role CVP, Chief Accounting Officer

Sold 3,230 shs ($308K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,130	$95.3036	$203K
Sale	Common Stock	1,100	$95.5286	$105K

Holdings After Transaction: Common Stock — 63,402 shares (Direct)

Footnotes (1)

1. The transaction indicated was conducted under an approved 10b5-1 Plan, adoption date of referenced 10b5-1(c) plan is: 11-19-2025. This transaction was executed in multiple trades at prices ranging from $94.6400 to $95.6300. 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. This transaction was executed in multiple trades at prices ranging from $95.6500 to $96.6100. 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.

Form 4 Insider Transactions: What Each Field Means →

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).

X

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)
03/02/2026

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	03/02/2026		S(1)		2,130	D	$95.3036(2)	63,402	D
Common Stock	03/02/2026		S(1)		1,100	D	$95.5286(3)	62,302	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. The transaction indicated was conducted under an approved 10b5-1 Plan, adoption date of referenced 10b5-1(c) plan is: 11-19-2025.

2. This transaction was executed in multiple trades at prices ranging from $94.6400 to $95.6300. 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.

3. This transaction was executed in multiple trades at prices ranging from $95.6500 to $96.6100. 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: Tonya Stevens	03/03/2026
	** 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.

FAQ

What insider transaction did Tonya Stevens report for Lattice Semiconductor (LSCC)?

Tonya Stevens reported selling 3,230 shares of Lattice Semiconductor common stock. The Form 4 shows two open-market sales on March 2, 2026, executed under a pre-arranged Rule 10b5-1 trading plan adopted on November 19, 2025, with all shares held directly.

How many Lattice Semiconductor (LSCC) shares did Tonya Stevens sell and at what prices?

Tonya Stevens sold 3,230 Lattice Semiconductor shares in two trades. She sold 2,130 shares at a weighted average price of $95.3036 and 1,100 shares at a weighted average price of $95.5286, with each transaction executed as an open-market sale of common stock.

How many Lattice Semiconductor (LSCC) shares does Tonya Stevens own after the reported sale?

After the reported transactions, Tonya Stevens directly owns 62,302 shares of Lattice Semiconductor common stock. This figure comes from the Form 4 totals following the final March 2, 2026 sale and reflects her remaining direct ownership position after selling 3,230 shares.

Was Tonya Stevens’ Lattice Semiconductor (LSCC) stock sale under a Rule 10b5-1 plan?

Yes. The Form 4 states the sales were conducted under an approved Rule 10b5-1 trading plan. The footnote specifies the referenced 10b5-1(c) plan was adopted on November 19, 2025, indicating the transactions followed a pre-arranged schedule rather than discretionary same-day decisions.

What does the Form 4 disclose about the trade price ranges for LSCC shares sold by Tonya Stevens?

The filing notes that each transaction was executed in multiple trades within price ranges. One sale occurred between $94.6400 and $95.6300, and the other between $95.6500 and $96.6100, with the reported prices reflecting weighted average sale prices across those individual trades.