POWER INTEGRATIONS INC — Director's Dealing 2017

Feb 23, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: POWER INTEGRATIONS INC (POWI)
CIK: 0000833640
Period of Report: 2017-02-21

Reporting Person: WALKER CLIFFORD (VP Corporate Development)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-02-21	Common Stock	M	3382	$36.95	Acquired	73736	Direct
2017-02-21	Common Stock	S	3382	$66.0	Disposed	70354	Direct
2017-02-21	Common Stock	M	4092	$42.88	Acquired	74446	Direct
2017-02-21	Common Stock	S	4092	$66.0	Disposed	70354	Direct
2017-02-22	Common Stock	M	2504	$42.88	Acquired	72858	Direct
2017-02-22	Common Stock	S	2504	$66.0	Disposed	70354	Direct
2017-02-22	Common Stock	M	7736	$36.95	Acquired	78090	Direct
2017-02-22	Common Stock	S	7736	$66.0	Disposed	70354	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-02-21	Incentive Stock Option (right to buy)	$36.95	M	3382	Disposed	2021-05-05	Common Stock (3382)	Direct
2017-02-22	Incentive Stock Option (right to buy)	$36.95	M	7736	Disposed	2021-05-05	Common Stock (7736)	Direct
2017-02-22	Incentive Stock Option (right to buy)	$42.88	M	2504	Disposed	2022-05-08	Common Stock (2504)	Direct
2017-02-21	Non-Qualified Stock Option (right to buy)	$42.88	M	4092	Disposed	2022-05-08	Common Stock (4092)	Direct