Glenn O'Rourke - May 19, 2022 Form 4 Insider Report for LATTICE SEMICONDUCTOR CORP (LSCC)

Role: SVP, Mfg Ops, Director, SVP, Mfg Ops
Signature: By: Tracy Feanny, Attorney in Fact For: Glenn T O'Rourke
Stock symbol: LSCC
Transactions as of: May 19, 2022
Transactions value $: -$17,406
Form type: 4
Date filed: 5/23/2022, 05:55 PM
Previous filing: May 17, 2022
Next filing: May 23, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	LSCC	Common Stock	Options Exercise	$0	+712		$0.00	712	May 19, 2022	Direct	F1
transaction	LSCC	Common Stock	Tax liability	-$17.4K	-353	-49.58%	$49.31	359	May 19, 2022	Direct	F2

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	Restricted Stock Unit (RSU)	Options Exercise	$0	-712	-6.8%	$0.00	9.76K	May 19, 2022	Common Stock	712		Direct	F3, F4, F5

* 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	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.