VICOR CORP — Director's Dealing 2020

May 5, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: VICOR CORP (vicr)
CIK: 0000751978
Period of Report: 2020-05-04

Reporting Person: Nagel Richard J Jr (VP Chief Accounting Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-05-04	Common Stock	M	1000	$10.48	Acquired	1000	Direct
2020-05-04	Common Stock	S	1000	$50.9	Disposed	0	Direct
2020-05-04	Common Stock	M	354	$6.77	Acquired	354	Direct
2020-05-04	Common Stock	S	354	$50.9	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-05-04	Non Qualified Stock Option	$10.48	M	1000	Disposed	2023-06-17	Common Stock (1000)	Direct
2020-05-04	Non Qualified Stock Options	$6.77	M	354	Disposed	2024-07-21	Common Stock (354)	Direct

Footnotes

F1: This stock option is exercisable in full.

F2: 1,064 stock options are exercisable after this transaction. The remaining 2,126 stock options become exercisable in three equal installments on 7/21/2020, 7/21/2021 and 7/21/2022.