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VICOR CORP Director's Dealing 2025

Oct 27, 2025

31590_dirs_2025-10-27_d6e8fb32-6772-4cfb-a595-35c0d5b2789a.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: Tuozzolo Claudio (Director, Corp. Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-23	Common Stock	M	8638	$33.96	Acquired	42260	Direct
2025-10-23	Common Stock	S	8638	$91.8648	Disposed	33622	Direct
2025-10-23	Common Stock	M	1202	$60.61	Acquired	34824	Direct
2025-10-23	Common Stock	S	1202	$91.8648	Disposed	33622	Direct
2025-10-23	Common Stock	M	866	$75.43	Acquired	34488	Direct
2025-10-23	Common Stock	S	866	$91.8648	Disposed	33622	Direct
2025-10-23	Common Stock	M	3931	$41.61	Acquired	37553	Direct
2025-10-23	Common Stock	S	3931	$91.8648	Disposed	33622	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-10-23	Non Qualified Stock Option	$33.96	M	8638	Disposed		Common Stock (8638)	Direct
2025-10-23	Non Qualified Stock Option	$60.61	M	1202	Disposed		Common Stock (1202)	Direct
2025-10-23	Non Qualified Stock Option	$75.43	M	866	Disposed		Common Stock (866)	Direct
2025-10-23	Non Qualified Stock Option	$41.61	M	3931	Disposed		Common Stock (3931)	Direct

Footnotes

F1: Options expire 2 years from each vesting date.