David Matthews - Feb 7, 2022 Form 4 Insider Report for POWER INTEGRATIONS INC (POWI)

Role: VP of Product Development
Signature: By: /s/ Eric Verity Attorney In Fact For: David Matthews
Stock symbol: POWI
Transactions as of: Feb 7, 2022
Transactions value $: -$670,605
Form type: 4
Date filed: 2/9/2022, 07:31 PM
Previous filing: Feb 4, 2022
Next filing: Feb 16, 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	POWI	Common Stock	Sale	-$85.9K	-1.03K	-0.93%	$83.48	109K	Feb 7, 2022	Direct	F1
transaction	POWI	Common Stock	Award	$0	+4.6K	+4.22%	$0.00	114K	Feb 7, 2022	Direct	F2
transaction	POWI	Common Stock	Award	$0	+11.6K	+10.2%	$0.00	125K	Feb 7, 2022	Direct	F2
transaction	POWI	Common Stock	Sale	-$192K	-2.25K	-1.79%	$85.32	123K	Feb 8, 2022	Direct	F3
transaction	POWI	Common Stock	Sale	-$393K	-4.61K	-3.74%	$85.32	118K	Feb 8, 2022	Direct	F3

Showing 1 to 5 of 5 entries

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

Explanation of Responses:

Id	Content
F1	Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Restricted Stock Award.
F2	The reporting person was granted a Performance Stock Unit. The Performance Stock Unit vests based on Power Integrations satisfaction of certain performance conditions. The performance conditions for 2021 were met.
F3	Represents the automatic sale of stock to cover the tax liability associated with the vesting of a Performance Stock Unit.