VICOR CORP — Director's Dealing 2025

Dec 12, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: VICOR CORP (vicr)
CIK: 0000751978
Period of Report: 2025-12-11

Reporting Person: McNamara Michael (Director, General Manager Mfg. Ops)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-11	Common Stock	M	2626	$69.04	Acquired	20764	Direct
2025-12-11	Common Stock	S	2626	$101.1988	Disposed	18138	Direct
2025-12-11	Common Stock	M	1611	$31.05	Acquired	19749	Direct
2025-12-11	Common Stock	S	1611	$101.2805	Disposed	18138	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-12-11	Non Qualified Stock Option	$69.04	M	2626	Disposed	2030-06-24	Common Stock (2626)	Direct
2025-12-11	Non Qualified Stock Option	$31.05	M	1611	Disposed	2029-06-28	Common Stock (1611)	Direct