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VICOR CORP Director's Dealing 2025

Oct 27, 2025

31590_dirs_2025-10-27_d99f4134-426f-4917-af5a-308ce580b729.zip

Director's Dealing

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SEC Form 4 — Statement of Changes in Beneficial Ownership

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

Reporting Person: Grava Nancy L (VP Human Resources)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-23	Common Stock	M	3386	$41.61	Acquired	3386	Direct
2025-10-23	Common Stock	S	3386	$91.0019	Disposed	0	Direct
2025-10-23	Common Stock	M	1016	$60.61	Acquired	1016	Direct
2025-10-23	Common Stock	S	1016	$91.0019	Disposed	0	Direct
2025-10-23	Common Stock	M	646	$75.43	Acquired	646	Direct
2025-10-23	Common Stock	S	646	$91.0019	Disposed	0	Direct
2025-10-23	Common Stock	M	1984	$33.96	Acquired	1984	Direct
2025-10-23	Common Stock	S	1984	$91.0019	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-10-23	Non Qualified Stock Option	$41.61	M	3386	Disposed		Common Stock (3386)	Direct
2025-10-23	Non Qualified Stock Option	$60.61	M	1016	Disposed		Common Stock (1016)	Direct
2025-10-23	Non Qualified Stock Option	$75.43	M	646	Disposed		Common Stock (646)	Direct
2025-10-23	Non Qualified Stock Option	$33.96	M	1984	Disposed		Common Stock (1984)	Direct

Footnotes

F1: Options expire 2 years from each vesting date.