LATTICE SEMICONDUCTOR CORP — Director's Dealing 2023

May 11, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: LATTICE SEMICONDUCTOR CORP (LSCC)
CIK: 0000855658
Period of Report: 2023-05-08

Reporting Person: RICHARDSON DAVID JEFFREY (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-05-08	Common Stock	M	22000	$6.55	Acquired	51567	Direct
2023-05-08	Common Stock	S	22000	$84.228	Disposed	29567	Direct
2023-05-09	Common Stock	M	4033	—	Acquired	33600	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-05-08	Non-Qualified Stock Option (right to buy)	$6.55	M	22000	Disposed	2024-12-04	Common Stock (22000)	Direct
2023-05-08	Restricted Stock Unit (RSU)	$0	A	2246	Acquired		Common Stock (2246)	Direct
2023-05-09	Restricted Stock Unit (RSU)	$0	M	4033	Disposed		Common Stock (4033)	Direct

Footnotes

F1: This transaction was executed in multiple trades at prices ranging from $83.84 to $84.44. 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.

F2: Restricted Stock Units (RSUs) - no purchase price for this transaction.

F3: Each Restricted Stock Unit (RSU) represents a right to receive one share of the Issuer's common stock without payment of specific consideration.

F4: The Restricted Stock Units (RSUs) vest 100% on May 8, 2024.

F5: Not applicable.

F6: The Restricted Stock Units (RSUs) vest 100% on the first anniversary of the Grant Date.