VICOR CORP — Director's Dealing 2018

Apr 30, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: VICOR CORP (vicr)
CIK: 0000751978
Period of Report: 2018-04-26

Reporting Person: SIMMS JAMES A (Director, CFO and Secretary)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-04-26	Common Stock	M	20257	$11.42	Acquired	65962	Direct
2018-04-26	Common Stock	S	20257	$36.7189	Disposed	45705	Direct
2018-04-26	Common Stock	M	3728	$8.05	Acquired	49433	Direct
2018-04-26	Common Stock	S	3728	$36.7189	Disposed	45705	Direct
2018-04-26	Common Stock	M	5000	$5.35	Acquired	50705	Direct
2018-04-26	Common Stock	S	5000	$36.7189	Disposed	45705	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-04-26	Non Qualified Stock Option	$11.42	M	20257	Disposed	2024-10-23	Common Stock (20257)	Direct
2018-04-26	Non Qualified Stock Option	$8.05	M	3728	Disposed	2024-06-20	Common Stock (3728)	Direct
2018-04-26	Non Qualified Stock Option	$5.35	M	5000	Disposed	2023-05-14	Common Stock (5000)	Direct

Footnotes

F1: Includes 705 shares acquired under the Vicor Corporation 2017 Employee Stock Purchase Plan on February 28, 2018.

F2: Granted on 10/23/2014 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 5/14/2013 under the Company's Amended and Restated 2000 Stock Option and Incentive Plan and vest over a five year period.