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sellModerate cluster of 810b5-1 plan

Patrizio Vinciarelli sold $6.6M of VICR

Chairman and CEO at VICOR CORP. 20,000 shares at an average of $327.87, traded May 29, 2026, filed Jun 1, 2026.

Warning score
45
Value
$6.6M
20,000 shares
Holdings after
8,808,090
-0% from before
From 52-week low
+683%
low $42.77, close $334.84
From 52-week high
-3%
high $345.84, as of May 29, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $6.6M at market
    +25
  • Share of holdings sold
    Sold 0.2% of holdings
    0
  • Cluster
    8 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

VICROct 9, 2026 · close 266.07
Since filing Jun 1, 2026: -19.1%SPY +3.1% · excess -22.2%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0000901484-26-000013, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 29, 2026SOpen-market sale
Common Stock10b5-1
-200$318.67$64k8,827,890Jun 1, 2026
May 29, 2026SOpen-market sale
Common Stock10b5-1
-397$321.46$128k8,827,493Jun 1, 2026
May 29, 2026SOpen-market sale
Common Stock10b5-1
-1,724$322.72$556k8,825,769Jun 1, 2026
May 29, 2026SOpen-market sale
Common Stock10b5-1
-2,983$323.51$965k8,822,786Jun 1, 2026
May 29, 2026SOpen-market sale
Common Stock10b5-1
-1,261$324.92$410k8,821,525Jun 1, 2026
May 29, 2026SOpen-market sale
Common Stock10b5-1
-3,034$325.59$988k8,818,491Jun 1, 2026
May 29, 2026SOpen-market sale
Common Stock10b5-1
-1,200$326.67$392k8,817,291Jun 1, 2026
May 29, 2026SOpen-market sale
Common Stock10b5-1
-1,000$328.03$328k8,816,291Jun 1, 2026
May 29, 2026SOpen-market sale
Common Stock10b5-1
-1,000$329.66$330k8,815,291Jun 1, 2026
May 29, 2026SOpen-market sale
Common Stock10b5-1
-2,800$330.69$926k8,812,491Jun 1, 2026
May 29, 2026SOpen-market sale
Common Stock10b5-1
-2,000$331.79$664k8,810,491Jun 1, 2026
May 29, 2026SOpen-market sale
Common Stock10b5-1
-516$333.66$172k8,809,975Jun 1, 2026
May 29, 2026SOpen-market sale
Common Stock10b5-1
-85$334.45$28k8,809,890Jun 1, 2026
May 29, 2026SOpen-market sale
Common Stock10b5-1
-1,000$336.17$336k8,808,890Jun 1, 2026
May 29, 2026SOpen-market sale
Common Stock10b5-1
-400$337.05$135k8,808,490Jun 1, 2026
May 29, 2026SOpen-market sale
Common Stock10b5-1
-237$340.22$81k8,808,253Jun 1, 2026
May 29, 2026SOpen-market sale
Common Stock10b5-1
-163$341.75$56k8,808,090Jun 1, 2026

Related signals

Other insiders at VICOR CORP and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
33Weak
VICRsell 210b5-1
VICOR CORP
Philip D Davies
Corp. VP-Global Sales & Mktg.
$972k
3,072 shares
-62%
38Weak
VICRsell 210b5-1
VICOR CORP
Patrizio Vinciarelli
Chairman & CEO
$6.3M
20,000 shares
-0%
38Weak
VICRsell 210b5-1
VICOR CORP
Patrizio Vinciarelli
Chairman & CEO
$6.2M
20,000 shares
-0%
19Weak
VICRsell10b5-1
VICOR CORP
Philip D Davies
Corp. VP-Global Sales & Mktg.
$546k
3,073 shares
-62%
48Moderate
VICRsell 3
VICOR CORP
Zmira Lavie
director
$227k
908 shares
-100%
58Moderate
VICRsell 3
VICOR CORP
Samuel J Anderson
director
$524k
2,073 shares
-34%
35Weak
VICRsell 310b5-1
VICOR CORP
Philip D Davies
Corp. VP-Global Sales & Mktg.
$650k
3,072 shares
-62%
41Moderate
VICRsell 2
VICOR CORP
Zmira Lavie
director
$273k
1,216 shares
-100%
32Weak
VICRsell 410b5-1
VICOR CORP
Patrizio Vinciarelli
Chairman & CEO
$212k
700 shares
-0%
40Moderate
VICRsell 410b5-1
VICOR CORP
Philip D Davies
Corp. VP-Global Sales & Mktg.
$1.1M
3,073 shares
-62%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Patrizio Vinciarelli sold $6.6M of VICR | InsiderTell