LATTICE SEMICONDUCTOR CORP — Director's Dealing 2021

May 5, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: LATTICE SEMICONDUCTOR CORP (LSCC)
CIK: 0000855658
Period of Report: 2021-05-02

Reporting Person: Milstead Byron Wayne (VP Corp, General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-02	Common Stock	M	864	$0.0	Acquired	8678	Direct
2021-05-02	Common Stock	S	290	$50.31	Disposed	8388	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-05-02	Restricted Stock Unit (RSU)	$0.0	M	864	Disposed		Common Stock (864)	Direct

Footnotes

F1: Restricted Stock Units - no purchase price for this transaction.

F2: Each Restricted Stock Unit (RSU) represents a right to receive one share of the Issuers common shares without payment of specific consideration.

F3: 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.

F4: Not applicable.