Patrizio Vinciarelli - 03 Aug 2021 Form 4 Insider Report for VICOR CORP (VICR)

Role: Chairman and CEO, Director, 10%+ Owner
Signature: /s/Richard J. Nagel Jr. Attorney in fact for Patrizio Vinciarelli
Issuer symbol: VICR
Transactions as of: 03 Aug 2021
Net transactions value: -$1,134,624
Form type: 4
Filing time: 05 Aug 2021, 09:21:18 UTC
Previous filing: 03 Aug 2021
Next filing: 09 Aug 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	VICR	Common Stock	Sale	$256,088	-2,152	-0.02%	$119.00	9,756,741	03 Aug 2021	Direct	F2
transaction	VICR	Common Stock	Options Exercise	$52,996	+7,828	+0.08%	$6.77^*	9,764,569	03 Aug 2021	Direct
transaction	VICR	Common Stock	Sale	$931,532	-7,828	-0.08%	$119.00	9,756,741	03 Aug 2021	Direct	F2
holding	VICR	Common Stock						102,712	03 Aug 2021	See footnote	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	VICR	Non Qualified Stock Option	Options Exercise	$0	-7,828	-1.8%	$0.000000	429,371	03 Aug 2021	Common Stock	7,828	$6.77	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	These shares are held by the Reporting Person as Trustee of the Patrizio Vinciarelli Irrevocable Trust U/A Dated 12/21/2012, established for the benefit of the child of the Reporting Person.
F2	This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 10, 2021.
F3	Remaining options will be fully vested on 7/21/2022.