VICOR CORP — Director's Dealing 2011

Mar 9, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: VICOR CORP (vicr)
CIK: 0000751978
Period of Report: 2011-03-08

Reporting Person: RIDDIFORD DAVID T (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-03-08	Common Stock	M	3624	$6.9	Acquired	100596	Direct
2011-03-08	Common Stock	S	3624	$15.3975	Disposed	96972	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-03-08	Non Qualified Stock Option	$6.9	M	3624	Disposed	2012-06-25	Common Stock (3624)	Direct

Footnotes

F1: Granted under the Company's Amended and Restated 2000 Stock Option and Incentive Plan and vest over a two year period.