Patrizio Vinciarelli - 03 Sep 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 Sep 2021
Net transactions value: -$1,844,274
Form type: 4
Filing time: 07 Sep 2021, 11:04:31 UTC
Previous filing: 03 Sep 2021
Next filing: 09 Sep 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	$1,243,392	-9,714	-0.1%	$128.00	9,666,741	03 Sep 2021	Direct	F2
transaction	VICR	Common Stock	Sale	$600,882	-4,658	-0.05%	$129.00	9,662,083	03 Sep 2021	Direct	F2
holding	VICR	Common Stock						102,712	03 Sep 2021	See footnote	F1

* 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.