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 * Nagel Richard J Jr   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 Chief Accounting Officer (Last) (First) (Middle) 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

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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

$ 13.73

06/17/2013

D

25,000

(1)

08/27/2020

Common Stock

25,000

(2)

0

D

Non Qualified Stock Option

$ 6.29

06/17/2013

A

5,000

(3)

06/17/2023

Common Stock

5,000

(2)

5,000

D

Non Qualified Stock Option

$ 7.34

06/17/2013

A

5,000

(3)

06/17/2023

Common Stock

5,000

(2)

10,000

D

Non Qualified Stock Option

$ 8.38

06/17/2013

A

5,000

(3)

06/17/2023

Common Stock

5,000

(2)

15,000

D

Non Qualified Stock Option

$ 9.43

06/17/2013

A

5,000

(3)

06/17/2023

Common Stock

5,000

(3)

20,000

D

Non Qualified Stock Option

$ 10.48

06/17/2013

A

5,000

(3)

06/17/2023

Common Stock

5,000

(2)

25,000

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Nagel Richard J Jr 25 FRONTAGE ROAD ANDOVER, MA 01810			VP Chief Accounting Officer

Signatures

/s/Kemble D. Morrison Attorney in Fact for Richard J. Nagel Jr.		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 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.
(2)	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.
(3)	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 the 1st anniversary date, the 2nd 5th on the 2nd anniversary date, the 3rd 5th on the 3rd anniversary date, the 4th 5th on the 4th anniversary date and the last 5th on the 5th anniversary date from the new options issue.

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