VICOR CORP - Director's Dealing 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: VICOR CORP (vicr)
CIK: 0000751978
Period of Report: 2017-05-31

Reporting Person: ANDERSON SAMUEL J (Director)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-31	Common Stock	M	1764	$5.67	Acquired	1764	Direct
2017-05-31	Common Stock	M	855	$6.29	Acquired	2619	Direct
2017-05-31	Common Stock	M	639	$6.29	Acquired	3258	Direct
2017-05-31	Common Stock	M	1645	$6.29	Acquired	4903	Direct
2017-05-31	Common Stock	M	2486	$8.05	Acquired	7389	Direct
2017-05-31	Common Stock	M	746	$13.42	Acquired	8135	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-05-31	Non Qualified Stock Option	$5.67	M	1764	Disposed	2023-06-21	Common Stock (1764)	Direct
2017-05-31	Non Qualified Stock Option	$6.29	M	855	Disposed	2023-06-17	Common Stock (855)	Direct
2017-05-31	Non Qualified Stock Option	$6.29	M	639	Disposed	2023-06-17	Common Stock (639)	Direct
2017-05-31	Non Qualified Stock Option	$6.29	M	1645	Disposed	2023-06-17	Common Stock (1645)	Direct
2017-05-31	Non Qualified Stock Option	$8.05	M	2486	Disposed	2024-06-20	Common Stock (2486)	Direct
2017-05-31	Non Qualified Stock Option	$13.42	M	746	Disposed	2025-06-19	Common Stock (746)	Direct

F1: Granted on 6/21/2013 under the Company's Amended and Restated 2000 Stock Option and Incentive Plan and vest over a five year period

F2: Granted on 6/17/2013 under the Company's Amended and Restated 2000 Stock Option and Incentive Plan and vest over a five year period

F3: Granted on 6/20/2014 under the Company's Amended and Restated 2000 Stock Option and Incentive Plan and vest over a five year period

F4: Granted on 6/19/2015 under the Company's Amended and Restated 2000 Stock Option and Incentive Plan and vest over a five year period