LATTICE SEMICONDUCTOR CORP — Director's Dealing 2023

May 22, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: LATTICE SEMICONDUCTOR CORP (LSCC)
CIK: 0000855658
Period of Report: 2023-05-18

Reporting Person: Douglass Stephen (SVP, R&D)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-05-18	Common Stock	M	885	—	Acquired	145292	Direct
2023-05-18	Common Stock	F	466	$84.65	Disposed	144826	Direct
2023-05-19	Common Stock	M	713	—	Acquired	145539	Direct
2023-05-19	Common Stock	F	376	$83.37	Disposed	145163	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-05-18	Restricted Stock Unit (RSU)	$0	M	885	Disposed		Common Stock (885)	Direct
2023-05-19	Restricted Stock Unit (RSU)	$0	M	713	Disposed		Common Stock (713)	Direct

Footnotes

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

F2: 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.

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: Grants of Restricted Stock Units (RSUs) vest as follows: 25% of the RSUs will vest on the first anniversary of the date of grant, and an additional 6.25% of the RSUs shall vest at the end of each three month period thereafter.

F5: Not applicable.