Statement of Changes in Beneficial Ownership (4)

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response... 0.5
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^* Milstead Byron Wayne	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) VP Corp, General Counsel
(Last) (First) (Middle) 5555 NE MOORE COURT	3. Date of Earliest Transaction (MM/DD/YYYY) 9/4/2021
(Street) HILLSBORO, OR 97124 (City) (State) (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	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. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	9/4/2021		M		1862	A	$0.0 ⁽¹⁾	2881	D
Common Stock	9/4/2021		S⁽²⁾		903	D	$63.07	1978	D
Common Stock	9/4/2021		M		14184	A	$0.0 ⁽¹⁾	16162	D
Common Stock	9/4/2021		S⁽²⁾		6873	D	$63.07	9289	D

*Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)*
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		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 of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)
Performance Restricted Stock Unit (PRSU)	$0.0 ⁽³⁾	9/4/2021		M			14184	2/14/2023 ⁽⁴⁾	⁽⁵⁾	Common Stock	14184	$0.0	16677	D
Restricted Stock Unit (RSU)	$0.0 ⁽³⁾	9/4/2021		M			1862	2/19/2022 ⁽⁶⁾	⁽⁵⁾	Common Stock	1862	$0.0	55408	D

Explanation of Responses:
(1)	Restricted Stock Units - no purchase price for this transaction.
(2)	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.
(3)	Each Restricted Stock Unit (RSU) represents a right to receive one share of the Issuers common shares without payment of specific consideration.
(4)	Grants of Performance Restricted Stock Units vest as follows: one-third on each of 9/30/19, 9/30/2020 and 9/30/2021 upon achievement of the performance conditions.
(5)	Not applicable.
(6)	This grant of Restricted Stock Units (RSUs) vest as follows: 25% of the RSUs will vest upon the one-year anniversary of the grant date and an additional 6.25% of the RSUs vest each three months thereafter until 100% of the RSU grant is vested.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Milstead Byron Wayne 5555 NE MOORE COURT HILLSBORO, OR 97124			VP Corp, General Counsel