Form4insider filings, from the source

Company · CIK 0000751978 · SIC 3679 — Electronic Components, NEC · Nasdaq

VICOR CORP · VICR

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $31.6M · 12net −$31.6M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 12Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2026 SForm 4 →Sep 3, 2:13 pm EDTPhilip D DaviesCorp. VP-Global Sales & Mktg., Director3,073$177.70$546,0841,920−61.5%10b5-1
Sep 1, 2026 MForm 4 →Sep 3, 2:13 pm EDTPhilip D DaviesCorp. VP-Global Sales & Mktg., Director3,073$41.61$127,8684,993—10b5-1
Aug 20, 2026 MForm 4 →Aug 24, 2:40 pm EDTSamuel J AndersonDirector3,409$46.94$160,0077,443—
Aug 17, 2026 SForm 4 →Aug 19, 9:42 am EDTZmira LavieDirector908$250.00$227,0000−100%
Aug 17, 2026 MForm 4 →Aug 19, 9:42 am EDTZmira LavieDirector908$44.07$40,016908—
Aug 17, 2026 SForm 4 →Aug 18, 4:14 pm EDTSamuel J AndersonDirector2,073$252.60$523,6404,034−33.9%
Aug 3, 2026 SForm 4 →Aug 5, 11:13 am EDTPhilip D DaviesCorp. VP-Global Sales & Mktg., Director3,072$211.69$650,3081,920−61.5%10b5-1
Aug 3, 2026 MForm 4 →Aug 5, 11:13 am EDTPhilip D DaviesCorp. VP-Global Sales & Mktg., Director3,072$41.61$127,8264,992—10b5-1
Jul 24, 2026 MForm 4 →Jul 28, 11:42 am EDTEstia J EichtenDirector5,987$33.42$200,107104,825—
Jul 23, 2026 SForm 4 →Jul 27, 11:09 am EDTZmira LavieDirector1,216$224.72$273,2600−100%
Jul 23, 2026 MForm 4 →Jul 27, 11:09 am EDTZmira LavieDirector1,216$32.89$39,9941,216—
Jul 6, 2026 SForm 4 →Jul 7, 10:04 am EDTPatrizio VinciarelliChairman & CEO, Director, 10% Owner700$302.40$211,6818,347,390−0.01%10b5-1
Jul 2, 2026 SForm 4 →Jul 6, 1:12 pm EDTPatrizio VinciarelliChairman & CEO, Director, 10% Owner20,000$318.88$6,377,6068,348,090−0.24%10b5-1
Jul 1, 2026 SForm 4 →Jul 6, 11:55 am EDTPhilip D DaviesCorp. VP-Global Sales & Mktg., Director3,073$356.97$1,096,9681,920−61.5%10b5-1
Jul 1, 2026 MForm 4 →Jul 6, 11:55 am EDTPhilip D DaviesCorp. VP-Global Sales & Mktg., Director3,073$33.33$102,4194,993—10b5-1
Jul 1, 2026 SForm 4 →Jul 6, 11:16 am EDTPatrizio VinciarelliChairman & CEO, Director, 10% Owner20,000$356.68$7,133,6408,368,090−0.24%10b5-1
Jun 30, 2026 SForm 4 →Jul 1, 10:36 am EDTPatrizio VinciarelliChairman & CEO, Director, 10% Owner20,000$375.04$7,500,8328,388,090−0.24%10b5-1
Jun 29, 2026 SForm 4 →Jun 30, 4:40 pm EDTPatrizio VinciarelliChairman & CEO, Director, 10% Owner8,760$366.98$3,214,7098,408,090−0.10%10b5-1
Jun 29, 2026 SForm 4 →Jun 30, 4:38 pm EDTPatrizio VinciarelliChairman & CEO, Director, 10% Owner11,240$345.04$3,878,2128,416,850−0.13%10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2026 MForm 4 →Sep 3, 2:13 pm EDTPhilip D DaviesCorp. VP-Global Sales & Mktg., Director3,073——856—10b5-1
Aug 20, 2026 MForm 4 →Aug 24, 2:40 pm EDTSamuel J AndersonDirector3,409——3,648—
Aug 17, 2026 MForm 4 →Aug 19, 9:42 am EDTZmira LavieDirector908——3,631—
Aug 3, 2026 MForm 4 →Aug 5, 11:13 am EDTPhilip D DaviesCorp. VP-Global Sales & Mktg., Director3,072——11,607—10b5-1
Jul 24, 2026 MForm 4 →Jul 28, 11:42 am EDTEstia J EichtenDirector5,987——0—
Jul 23, 2026 MForm 4 →Jul 27, 11:09 am EDTZmira LavieDirector1,216——3,648—
Jul 1, 2026 MForm 4 →Jul 6, 11:55 am EDTPhilip D DaviesCorp. VP-Global Sales & Mktg., Director3,073——0—10b5-1