SEC Form 4 · accession 0001193125-26-319530

VICOR CORP · VICR

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Director

Period of report

Jul 24, 2026

Accepted (ET)

Jul 28, 2026 · 11:42 am EDT

Rule 10b5-1 plan

box not checked

Issuer CIK

0000751978

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I
Common Stock	Jul 24, 2026	M	2,584	$19.35	A	101,422	D
Common Stock	Jul 24, 2026	M	731	$68.48	A	102,153	D
Common Stock	Jul 24, 2026	M	1,611	$31.05	A	103,764	D
Common Stock	Jul 24, 2026	M	1,061	$47.15	A	104,825	D

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	D/I
Non Qualified Stock Option^F1	$19.35	Jul 24, 2026	M	2,584	D	—	Jun 16, 2027	Common Stock	2,584	D
Non Qualified Stock Option^F2	$68.48	Jul 24, 2026	M	731	D	—	Jun 26, 2030	Common Stock	731	D
Non Qualified Stock Option^F3	$31.05	Jul 24, 2026	M	1,611	D	—	Jun 28, 2029	Common Stock	1,611	D
Non Qualified Stock Option^F4	$47.15	Jul 24, 2026	M	1,061	D	—	Jun 15, 2028	Common Stock	1,061	D

F1Granted under the Company's Amended and Restated 2000 Stock Option and Incentive Plan on June 16, 2017 and vest over a five year period.
F2Granted under the Company's Amended and Restated 2000 Stock Option and Incentive Plan on June 26, 2020 and vest over a five year period.
F3Granted under the Company's Amended and Restated 2000 Stock Option and Incentive Plan on June 28, 2019 and vest over a five year period.
F4Granted under the Company's Amended and Restated 2000 Stock Option and Incentive Plan on June 15, 2018 and vest over a five year period.