Michael McNamara - 01 Nov 2021 Form 4 Insider Report for VICOR CORP (VICR)

Role: General Manager Mfg. Ops., Director
Signature: /s/Richard J. Nagel Jr. Attorney in fact for Michael McNamara
Issuer symbol: VICR
Transactions as of: 01 Nov 2021
Net transactions value: -$1,420,000
Form type: 4
Filing time: 03 Nov 2021, 09:36:51 UTC
Previous filing: 29 Oct 2021
Next filing: 04 Nov 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	Options Exercise	$18,622	+1,908	+4770%	$9.76^*	1,948	01 Nov 2021	Direct
transaction	VICR	Common Stock	Sale	$291,124	-1,908	-98%	$152.58	40	01 Nov 2021	Direct
transaction	VICR	Common Stock	Options Exercise	$78,978	+8,092	+20230%	$9.76^*	8,132	02 Nov 2021	Direct
transaction	VICR	Common Stock	Sale	$1,226,476	-8,092	-100%	$151.57	40	02 Nov 2021	Direct

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	-1,908	-19%	$0.000000	8,092	01 Nov 2021	Common Stock	1,908	$9.76	Direct	F1
transaction	VICR	Non Qualified Stock Option	Options Exercise	$0	-8,092	-100%	$0.000000^*	0	02 Nov 2021	Common Stock	8,092	$9.76	Direct	F1

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

Explanation of Responses:

Id	Content
F1	This stock option is exercisable in full.