VICOR CORP — Director's Dealing 2025

Oct 27, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: VICOR CORP (vicr)
CIK: 0000751978
Period of Report: 2025-10-23

Reporting Person: Doyle Alvaro (VP and CIO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-23	Common Stock	M	4933	$41.61	Acquired	4975	Direct
2025-10-23	Common Stock	S	4933	$88.4819	Disposed	42	Direct
2025-10-23	Common Stock	M	2891	$33.96	Acquired	2933	Direct
2025-10-23	Common Stock	S	2891	$88.4819	Disposed	42	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-10-23	Non Qualified Stock Option	$41.61	M	4933	Disposed		Common Stock (4933)	Direct
2025-10-23	Non Qualified Stock Option	$33.96	M	2891	Disposed		Common Stock (2891)	Direct

Footnotes

F1: Options expire 2 years from each vesting date.