FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * ZENGILOWSKI RICHARD E   2. Issuer Name and Ticker or Trading Symbol VICOR CORP [VICR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) VP-Human Resources (Last) (First) (Middle) C/O VICOR CORP, 25 FRONTAGE ROAD 3. Date of Earliest Transaction (Month/Day/Year) 06/17/2013 (Street) ANDOVER, MA 01810 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Underlying Securities (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Non Qualified Stock Option	$ 14.07	06/17/2013		D			10,000	(1)	11/01/2016	Common Stock	10,000	(3)	50,000	D
Non Qualified Stock Option	$ 13.73	06/17/2013		D			50,000	(2)	08/27/2020	Common Stock	50,000	(3)	0	D
Non Qualified Stock Option	$ 6.29	06/17/2013		A		10,000		(4)	06/17/2023	Common Stock	10,000	(3)	10,000	D
Non Qualified Stock Option	$ 6.29	06/17/2013		A		10,000		(5)	06/17/2023	Common Stock	10,000	(3)	20,000	D
Non Qualified Stock Option	$ 7.34	06/17/2013		A		10,000		(5)	06/17/2023	Common Stock	10,000	(3)	30,000	D
Non Qualified Stock Option	$ 8.38	06/17/2013		A		10,000		(5)	06/17/2023	Common Stock	10,000	(3)	40,000	D
Non Qualified Stock Option	$ 9.43	06/17/2013		A		10,000		(5)	06/17/2023	Common Stock	10,000	(3)	50,000	D
Non Qualified Stock Option	$ 10.48	06/17/2013		A		10,000		(5)	06/17/2023	Common Stock	10,000	(3)	60,000	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
ZENGILOWSKI RICHARD E C/O VICOR CORP 25 FRONTAGE ROAD ANDOVER, MA 01810			VP-Human Resources

Signatures

/s/ Kemble D. Morrison, Attorney in fact for Richard E. Zengilowski		06/19/2013
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Granted 11/1/2006 under the Company's Amended and Restated 2000 Stock Option and Incentive Plan and vest over a five year period.
(2)	Granted 8/27/2010 under the Company's Amended and Restated 2000 Stock Option and Incentive Plan and vest when certain defined performance milestones for the Company's Brick Business Unit are achieved.
(3)	On 6/17/2013, the issuer canceled, pursuant to the issuer's option exchange offer, options granted to the reporting person. In exchange the reporting person received replacement options, having exercise prices ranging from $6.29 to $10.48 per share.
(4)	The replacement options vest over a five year period in equal installments.
(5)	The replacement options for the Brick Business Unit performance options are broken into 5 price increments pursuant to the offer to exchange. The 1st 5th vests on 1st anniversary date, the 2nd 5th on the 2nd anniversary date, the 3rd 5th on the 3rd anniversary date, the 4th 5th on the fourth anniversary date, and the last 5th on the 5th anniversary date from the new options issue.

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