Lattice exec sells 15,742 shares in pre-set plan

LATTICE SEMICONDUCTOR CORP (LSCC) reported that Esam Elashmawi, SVP, Strategy and Marketing, disposed of common stock in multiple transactions.

Rhea-AI Filing Summary

LATTICE SEMICONDUCTOR CORP (LSCC) reported that Esam Elashmawi, SVP, Strategy and Marketing, disposed of common stock in multiple transactions. On August 16 and 17, 2026, a total of 1,031 shares were withheld by the issuer to satisfy tax liabilities related to vesting restricted stock units. On August 17, 2026, he sold 15,742 shares of common stock in open-market transactions at weighted average prices ranging from approximately $132.79 to $136.59 per share. The sales were conducted pursuant to an approved Rule 10b5-1 trading plan with an adoption date of May 18, 2026.

Insider Trade Summary 10b5-1

Net Seller: 15,742 shares

Net Sell 7 txns

Insider Elashmawi Esam

Role SVP, Strategy and Marketing

Sold 15,742 shs ($2.12M)

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	438	$132.67	$58K
Sale	Common Stock F2, F3	1,934	$132.7906	$257K
Sale	Common Stock F2, F4	1,898	$133.7708	$254K
Sale	Common Stock F2, F5	8,882	$134.9523	$1.20M
Sale	Common Stock F2, F6	1,828	$135.8299	$248K
Sale	Common Stock F2, F7	1,200	$136.5928	$164K
Tax Withholding	Common Stock F1	593	$130.46	$77K

Holdings After Transaction: Common Stock — 155,420 shares (Direct)

Footnotes (7)

1. F1. 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.
2. F2. The transaction indicated was conducted under an approved 10b5-1 Plan, adoption date of referenced 10b5-1(c) plan is: 05-18-2026.
3. F3. This transaction was executed in multiple trades at prices ranging from $132.2600 to $133.2500. 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.
4. F4. This transaction was executed in multiple trades at prices ranging from $133.2800 to $134.2300. 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.
5. F5. This transaction was executed in multiple trades at prices ranging from $134.2800 to $135.2700. 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.
6. F6. This transaction was executed in multiple trades at prices ranging from $135.2800 to $136.2100. 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.
7. F7. This transaction was executed in multiple trades at prices ranging from $136.4300 to $136.9300. 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.

Key Figures

Shares sold: 15,742 shares Shares withheld for taxes: 1,031 shares Sale price example: $132.7906 per share +3 more

6 metrics

Shares sold 15,742 shares Total common shares sold on 2026-08-17 per transactionSummary

Shares withheld for taxes 1,031 shares Code F dispositions on 2026-08-16 and 2026-08-17 for tax withholding

Sale price example $132.7906 per share Weighted average sale price for 1,934 shares of common stock on 2026-08-17

Sale price example $134.9523 per share Weighted average sale price for 8,882 shares of common stock on 2026-08-17

10b5-1 plan adoption date 05-18-2026 Adoption date of the Rule 10b5-1(c) trading plan governing the sale transactions

Tax-withholding price example $130.4600 per share Price used for 593 shares withheld on 2026-08-16 for tax obligations

Key Terms

Rule 10b5-1 Plan, restricted stock units, weighted average sale price, tax withholding obligations

4 terms

Rule 10b5-1 Plan regulatory

"The transaction indicated was conducted under an approved 10b5-1 Plan"

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

restricted stock units financial

"in connection with the vesting of an installment of the restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

weighted average sale price financial

"The price reported above reflects the weighted average sale price"

tax withholding obligations financial

"in order to meet the tax withholding obligations of the Reporting Person"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did LSCC executive Esam Elashmawi report on this Form 4?

Esam Elashmawi reported open-market sales of 15,742 LSCC shares and 1,031 shares withheld to cover tax liabilities related to restricted stock unit vesting, all occurring on August 16–17, 2026.

How many LATTICE SEMICONDUCTOR (LSCC) shares did the insider sell and at what prices?

Elashmawi sold 15,742 LSCC shares on August 17, 2026, in multiple trades at weighted average prices ranging from about $132.79 to $136.59 per share, as disclosed in the Form 4 footnotes.

Were Esam Elashmawi’s LSCC stock sales made under a Rule 10b5-1 plan?

Yes. The Form 4 states the sale transactions were conducted under an approved Rule 10b5-1(c) trading plan, with an adoption date of May 18, 2026, which pre-arranged the trading instructions in advance.

Why were some LSCC shares retained by the issuer instead of sold by Esam Elashmawi?

The Form 4 explains that 1,031 LSCC shares were retained by the issuer to satisfy Elashmawi’s tax withholding obligations arising from the vesting of restricted stock units, and that the amount retained did not exceed his tax liability.

What is the significance of the weighted average sale prices disclosed for LSCC insider trades?

Several LSCC sale transactions were executed in multiple trades within price ranges, so the Form 4 reports a weighted average sale price for each group of trades and offers to provide detailed trade-by-trade prices upon request.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 08/18/2026 - 05:22 PM Accepted by SEC EDGAR 08/18/2026 - 05:22 PM Learn about SEC filing dates

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^*

Elashmawi Esam

(Last) (First) (Middle)

5555 NE MOORE COURT

(Street)

HILLSBORO OREGON 97124

(City) (State) (Zip)

UNITED STATES

(Country)

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, Strategy and Marketing

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/16/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	08/16/2026		F(1)		593	D	$130.46	171,600	D
Common Stock	08/17/2026		F(1)		438	D	$132.67	171,162	D
Common Stock	08/17/2026		S(2)		1,934	D	$132.7906(3)	169,228	D
Common Stock	08/17/2026		S(2)		1,898	D	$133.7708(4)	167,330	D
Common Stock	08/17/2026		S(2)		8,882	D	$134.9523(5)	158,448	D
Common Stock	08/17/2026		S(2)		1,828	D	$135.8299(6)	156,620	D
Common Stock	08/17/2026		S(2)		1,200	D	$136.5928(7)	155,420	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.

2. The transaction indicated was conducted under an approved 10b5-1 Plan, adoption date of referenced 10b5-1(c) plan is: 05-18-2026.

3. This transaction was executed in multiple trades at prices ranging from $132.2600 to $133.2500. 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.

4. This transaction was executed in multiple trades at prices ranging from $133.2800 to $134.2300. 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.

5. This transaction was executed in multiple trades at prices ranging from $134.2800 to $135.2700. 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.

6. This transaction was executed in multiple trades at prices ranging from $135.2800 to $136.2100. 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.

7. This transaction was executed in multiple trades at prices ranging from $136.4300 to $136.9300. 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: Esam Elashmawi	08/18/2026
	** 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.
* Form 4: SEC 1474 (03-26)