MARK JON NELSON - 14 Feb 2023 Form 4 Insider Report for LATTICE SEMICONDUCTOR CORP (LSCC)

Role: SVP, Sales
Signature: By: Tracy Feanny, Attorney in Fact For: Mark J. Nelson
Issuer symbol: LSCC
Transactions as of: 14 Feb 2023
Net transactions value: -$3,796,328
Form type: 4
Filing time: 16 Feb 2023, 15:22:38 UTC
Previous filing: 03 Feb 2023
Next filing: 21 Feb 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	LSCC	Common Stock	Options Exercise	$0	+1,820	+3.4%	$0.000000	55,994	14 Feb 2023	Direct	F1
transaction	LSCC	Common Stock	Tax liability	$80,611	-903	-1.6%	$89.27	55,091	14 Feb 2023	Direct	F2
transaction	LSCC	Common Stock	Options Exercise	$0	+38,822	+70%	$0.000000	93,913	14 Feb 2023	Direct	F1
transaction	LSCC	Common Stock	Tax liability	$1,718,269	-19,248	-20%	$89.27	74,665	14 Feb 2023	Direct	F2
transaction	LSCC	Common Stock	Sale	$1,997,448	-22,354	-30%	$89.36	52,311	15 Feb 2023	Direct	F3, F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	LSCC	Performance Restricted Stock Unit (PRSU)	Award	$0	+19,411	+100%	$0.000000	38,822	14 Feb 2023	Common Stock	19,411	$0.000000	Direct	F5, F6, F7
transaction	LSCC	Performance Restricted Stock Unit (PRSU)	Options Exercise	$0	-38,822	-100%	$0.000000^*	0	14 Feb 2023	Common Stock	38,822	$0.000000	Direct	F5, F6, F7
transaction	LSCC	Restricted Stock Unit (RSU)	Options Exercise	$0	-1,820	-5.4%	$0.000000	31,620	14 Feb 2023	Common Stock	1,820	$0.000000	Direct	F5, F7, F8

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Restricted Stock Units - 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	The transaction indicated was conducted under an approved 10b5-1 Plan.
F4	This transaction was executed in multiple trades at prices ranging from $88.495 to $89.98. 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.
F5	Each Restricted Stock Unit (RSU) represents a right to receive one share of the Issuer's common stock without payment of specific consideration.
F6	Performance Restricted Stock Units (PRSUs) vest as follows: PRSUs will vest on the three year anniversary of the date of grant, subject to the achievement of certain performance conditions.
F7	Not applicable.
F8	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.