VICR Vicor Corp

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                                                                                   
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940                       

1. Name and Address of Reporting Person * Gusinov Alex	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) Corp. Vice President Eng.
(Last)          (First)          (Middle) 25 FRONTAGE RD.	3. Date of Earliest Transaction (MM/DD/YYYY) 6/5/2020
(Street) ANDOVER, MA 01810 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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
Common Stock	6/5/2020		M		3660	A	$17.3038	22609	D
Common Stock (1)	6/5/2020		S		2089	D	$69	20520	D
Common Stock	6/5/2020		M		916	A	$12.1913	21436	D
Common Stock (1)	6/5/2020		S		483	A	$69	20593	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		7. Title and Amount of Securities Underlying Derivative Security (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	$17.3038	6/5/2020		M			3660	(2)	9/13/2023	Common Stock	3660	$0	2442	D
Non Qualified Stock Option	$12.1913	6/5/2020		M			916	(3)	7/21/2024	Common Stock	916	$0	1372	D

Explanation of Responses:
(1)	This transaction involved the exercise of non-qualified stock options, the terms of which provided for the purchase of shares of common stock possessing multi-year restrictions on their sale or transfer. As such, the exercise followed the sell-to-cover process, whereby a portion of the shares acquired through the exercise were sold in the open market, with the proceeds used to fund the aggregate exercise price of the options and the income and employment taxes associated with the exercise. The balance of the shares acquired through exercise that were delivered to the reporting person are subject to holding periods through the fifth anniversary of the date of this transaction.
(2)	The remaining 2,442 stock options vest on 9/13/2020 and 9/13/2021.
(3)	The remaining 1,372 stock options vest on 7/21/2020, 7/21/2021 and 7/21/2022.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Gusinov Alex 25 FRONTAGE RD. ANDOVER, MA 01810			Corp. Vice President Eng.

Signatures
/s/Richard J. Nagel Jr. Attorney in fact for Alex Gusinov		6/9/2020
**Signature of Reporting Person		Date