Lattice SVP sells 4,279 shares under 10b5-1

SVP of R&D Pravin Desale reported pre-planned open-market sales totaling 4,279 LSCC shares under a Rule 10b5-1 trading plan.

Rhea-AI Filing Summary

LATTICE SEMICONDUCTOR CORP (LSCC) reported that Pravin Desale, SVP, R&D, sold a total of 4,279 shares of common stock on September 15, 2026 in three open-market transactions: 1,700 shares at a weighted average price of $105.0018, 2,379 shares at $105.9742, and 200 shares at $106.7700. Each trade was executed in multiple lots within stated price ranges, and all transactions were conducted under an approved Rule 10b5-1 trading plan adopted or modified on February 18, 2026.

Insider Trade Summary 10b5-1

Net Seller: 4,279 shares

Net Sell 3 txns

Insider Desale Pravin

Role SVP, R&D

Sold 4,279 shs ($452K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2	1,700	$105.0018	$179K
Sale	Common Stock F1, F3	2,379	$105.9742	$252K
Sale	Common Stock F1, F4	200	$106.77	$21K

Holdings After Transaction: Common Stock — 69,177 shares (Direct)

Footnotes (4)

1. F1. The transaction indicated was conducted under an approved 10b5-1 Plan, adoption modification date of referenced 10b5-1(c) plan is: 02-18-2026.
2. F2. This transaction was executed in multiple trades at prices ranging from $104.5600 to $105.5000. 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. F3. This transaction was executed in multiple trades at prices ranging from $105.5700 to $106.4200. 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 $106.5900 to $106.9500. 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 (total): 4,279 shares First tranche sold: 1,700 shares at $105.0018 per share Second tranche sold: 2,379 shares at $105.9742 per share +2 more

5 metrics

Shares sold (total) 4,279 shares Common stock sales by Pravin Desale on September 15, 2026

First tranche sold 1,700 shares at $105.0018 per share Weighted average price for one sale tranche on September 15, 2026

Second tranche sold 2,379 shares at $105.9742 per share Weighted average price for one sale tranche on September 15, 2026

Third tranche sold 200 shares at $106.7700 per share Weighted average price for one sale tranche on September 15, 2026

Rule 10b5-1 plan adoption/modification date February 18, 2026 Plan governing the reported insider sales

Key Terms

Rule 10b5-1 Plan, weighted average sale price, open market or private transaction

3 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.

weighted average sale price financial

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

open market or private transaction financial

"Sale in open market or private transaction"

FAQ

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

What insider transaction did LSCC report for Pravin Desale on this Form 4?

The filing reports that Pravin Desale, SVP, R&D of LATTICE SEMICONDUCTOR CORP, sold 4,279 shares of common stock in open-market transactions on September 15, 2026.

At what prices were the LSCC shares sold by Pravin Desale?

The sales were reported at weighted average prices of $105.0018 for 1,700 shares, $105.9742 for 2,379 shares, and $106.7700 for 200 shares, each executed in multiple trades within disclosed price ranges.

How many LSCC shares did Pravin Desale sell in total?

Pravin Desale sold a total of 4,279 shares of LATTICE SEMICONDUCTOR CORP common stock, across three separate open-market sale transactions on September 15, 2026.

Were the LSCC insider sales made under a Rule 10b5-1 trading plan?

Yes. The filing states the transactions were conducted under an approved Rule 10b5-1 Plan, with an adoption or modification date of February 18, 2026.

What price ranges applied to the LSCC share sales reported?

The footnotes state the 1,700-share sale was executed between $104.5600 and $105.5000, the 2,379-share sale between $105.5700 and $106.4200, and the 200-share sale between $106.5900 and $106.9500.

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

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Available on EDGAR 09/16/2026 - 03:31 PM Accepted by SEC EDGAR 09/16/2026 - 03:31 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^*

Desale Pravin

(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, R&D

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2026

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	09/15/2026		S(1)		1,700	D	$105.0018(2)	71,756	D
Common Stock	09/15/2026		S(1)		2,379	D	$105.9742(3)	69,377	D
Common Stock	09/15/2026		S(1)		200	D	$106.77(4)	69,177	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 modification date of referenced 10b5-1(c) plan is: 02-18-2026.

2. This transaction was executed in multiple trades at prices ranging from $104.5600 to $105.5000. 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 $105.5700 to $106.4200. 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 $106.5900 to $106.9500. 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: Pravin Desale	09/16/2026
	** 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)