Patrizio Vinciarelli - 22 May 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
Issuer symbol: VICR
Transactions as of: 22 May 2024
Net transactions value: +$2,906,842
Form type: 4
Filing time: 22 May 2024, 17:19:52 UTC
Previous filing: 06 May 2024
Next filing: 05 May 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	VICR	Common Stock	Options Exercise	$2,906,842	+429,371	+4.6%	$6.77	9,850,263	22 May 2024	Direct
holding	VICR	Common Stock						171,125	22 May 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	-429,371	-100%	$0.000000^*	0	22 May 2024	Common Stock	429,371	$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.