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: 2025-12-10

Reporting Person: CARLSON JASON (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-10	Common Stock	M	516	$19.35	Acquired	516	Direct
2025-12-10	Common Stock	S	516	$100.2389	Disposed	0	Direct
2025-12-10	Common Stock	M	1061	$47.15	Acquired	1061	Direct
2025-12-10	Common Stock	S	1061	$100.2389	Disposed	0	Direct
2025-12-10	Common Stock	M	1611	$31.05	Acquired	1611	Direct
2025-12-10	Common Stock	S	1611	$100.2389	Disposed	0	Direct
2025-12-10	Common Stock	M	1217	$32.89	Acquired	1217	Direct
2025-12-10	Common Stock	S	1217	$100.2389	Disposed	0	Direct
2025-12-10	Common Stock	M	995	$60.37	Acquired	995	Direct
2025-12-10	Common Stock	S	995	$100.2389	Disposed	0	Direct
2025-12-10	Common Stock	M	1508	$53.07	Acquired	1508	Direct
2025-12-10	Common Stock	S	1508	$100.2389	Disposed	0	Direct
2025-12-10	Common Stock	M	731	$68.48	Acquired	731	Direct
2025-12-10	Common Stock	S	731	$100.2389	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-12-10	Non Qualified Stock Option	$19.35	M	516	Disposed	2027-06-16	Common Stock (516)	Direct
2025-12-10	Non Qualified Stock Option	$47.15	M	1061	Disposed	2028-06-15	Common Stock (1061)	Direct
2025-12-10	Non Qualified Stock Option	$31.05	M	1611	Disposed	2029-06-28	Common Stock (1611)	Direct
2025-12-10	Non Qualified Stock Option	$32.89	M	1217	Disposed	2034-06-21	Common Stock (1217)	Direct
2025-12-10	Non Qualified Stock Option	$60.37	M	995	Disposed	2032-06-24	Common Stock (995)	Direct
2025-12-10	Non Qualified Stock Option	$53.07	M	1508	Disposed	2033-06-23	Common Stock (1508)	Direct
2025-12-10	Non Qualified Stock Option	$68.48	M	731	Disposed	2030-06-26	Common Stock (731)	Direct