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VICOR CORP Director's Dealing 2025

Oct 28, 2025

31590_dirs_2025-10-28_48d3f0d8-8b0a-4876-874b-d81fca4143f9.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: 2025-10-24

Reporting Person: Tuozzolo Claudio (Director, Corp. Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-24	Common Stock	M	1061	$47.15	Acquired	34683	Direct
2025-10-24	Common Stock	S	1061	$90.5706	Disposed	33622	Direct
2025-10-24	Common Stock	M	3931	$41.61	Acquired	37553	Direct
2025-10-24	Common Stock	S	3931	$90.5706	Disposed	33622	Direct
2025-10-24	Common Stock	M	516	$19.35	Acquired	34138	Direct
2025-10-24	Common Stock	S	516	$90.5706	Disposed	33622	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-10-24	Non Qualified Stock Option	$47.15	M	1061	Disposed	2028-06-15	Common Stock (1061)	Direct
2025-10-24	Non Qualified Stock Option	$41.61	M	3931	Disposed		Common Stock (3931)	Direct
2025-10-24	Non Qualified Stock Option	$19.35	M	516	Disposed	2027-06-16	Common Stock (516)	Direct

Footnotes

F1: Options expire 2 years from each vesting date.