Patrizio Vinciarelli - May 22, 2024 Form 4 Insider Report for VICOR CORP (vicr)

Role: Chairman and CEO, Director, 10%+ Owner
Signature: /s/Quentin A. Fendelet. Attorney in fact for Patrizio Vinciarelli
Stock symbol: vicr
Transactions as of: May 22, 2024
Transactions value $: $2,906,842
Form type: 4
Date filed: 5/22/2024, 05:19 PM
Previous filing: May 6, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	vicr	Common Stock	Options Exercise	$2.91M	+429K	+4.56%	$6.77	9.85M	May 22, 2024	Direct
holding	vicr	Common Stock						171K	May 22, 2024	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	-429K	-100%	$0.00^*	0	May 22, 2024	Common Stock	429K	$6.77	Direct	F2

* 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 stock option is exercisable in full.