Lattice Semiconductor insider sale via 10b5-1 plan reduces holdings to 84,336

Rhea-AI Filing Summary

Tonya Stevens, CVP and Chief Accounting Officer of Lattice Semiconductor Corp (LSCC), reported a sale of 3,440 shares of common stock on 09/22/2025 at a reported price of $74.93 per share. After the transaction she beneficially owned 84,336 shares. The filing indicates the sale was executed under a pre-approved 10b5-1 trading plan adopted on 12/06/2024.

The Form 4 was filed as a single reporting person filing and signed by an attorney-in-fact on 09/23/2025. The disclosure provides the specific shares sold, the price, and the post-transaction ownership level without additional commentary or other transactions.

Positive

• Sale executed under a pre-approved 10b5-1 plan, which supports compliance and reduces timing concerns
• Timely and complete disclosure of transaction date, price, quantity, and post-transaction ownership

Negative

• Reduction in insider holdings: 3,440 shares were sold, lowering beneficial ownership to 84,336 shares

Insights

Securities Analyst

TL;DR: Routine, pre-planned insider sale under a 10b5-1 plan; provides limited new information about company operations.

The Form 4 documents a single disposition of 3,440 shares by the Chief Accounting Officer at $74.93 per share under an established 10b5-1 plan adopted 12/06/2024. This is a scheduled sale mechanism that typically reduces signaling risk compared with ad-hoc sales. The transaction reduced her beneficial holdings to 84,336 shares. There are no concurrent purchases or derivative transactions disclosed, and no indication of changes to compensation or role.

Corporate Governance Expert

TL;DR: Disclosure aligns with governance best practices: sale executed under documented 10b5-1 plan and timely reported.

The filing shows adherence to insider-trading policy via a documented 10b5-1 plan (adoption date 12/06/2024) and a timely Form 4 filing. The sale was reported by one reporting person and signed by an authorized attorney-in-fact on 09/23/2025. From a governance perspective, the record is transparent and contains the required details: transaction date, amount, price, and post-transaction ownership. No governance red flags are present in the disclosed information.

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)
09/22/2025

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	09/22/2025		S(1)		3,440	D	$74.93	84,336	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: 12-06-2024.

	/s/ Tracy Feanny, Attorney in Fact For: Tonya Stevens	09/23/2025
	** 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 transaction did Tonya Stevens report on the Form 4 for LSCC?

The Form 4 reports a sale of 3,440 shares of Lattice Semiconductor common stock on 09/22/2025 at $74.93 per share.

Was the LSCC insider sale part of a 10b5-1 plan?

Yes. The filing states the transaction was conducted under an approved 10b5-1 plan adopted on 12/06/2024.

How many LSCC shares does Tonya Stevens beneficially own after the reported sale?

Following the reported transaction she beneficially owned 84,336 shares.

When was the Form 4 for this LSCC transaction signed and filed?

The Form 4 was signed by an attorney-in-fact on 09/23/2025 and reports the transaction dated 09/22/2025.

Were there any derivative transactions or other security classes reported?

No. The filing discloses only a non-derivative sale of common stock; no derivative securities or other classes are reported.