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sellModerate cluster of 13

Claudio Tuozzolo sold $1.3M of VICR

Corp. Vice President at VICOR CORP. 14,637 shares at an average of $91.86, traded Oct 23, 2025, filed Oct 27, 2025.

Warning score
50
Value
$1.3M
14,637 shares
Holdings after
33,622
-35% from before
From 52-week low
+136%
low $39.41, close $92.98
From 52-week high
0%
high $92.98, as of Oct 23, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $1.3M at market
    +25
  • Share of holdings sold
    Sold 35% of holdings
    +10
  • Cluster
    13 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15

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.

This signal so far: 1m -0.5%, 3m +76.1%, 6m +198.5%.

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 Oct 27, 2025: +195.6%SPY +14.8% · excess +180.9%

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 0001403540-25-000006, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Oct 23, 2025MOption exercise
Common Stock
+8,638$33.96$293k42,260Oct 27, 2025
Oct 23, 2025SOpen-market sale
Common Stock
-8,638$91.86$794k33,622Oct 27, 2025
Oct 23, 2025MOption exercise
Common Stock
+1,202$60.61$73k34,824Oct 27, 2025
Oct 23, 2025SOpen-market sale
Common Stock
-1,202$91.86$110k33,622Oct 27, 2025
Oct 23, 2025MOption exercise
Common Stock
+866$75.43$65k34,488Oct 27, 2025
Oct 23, 2025SOpen-market sale
Common Stock
-866$91.86$80k33,622Oct 27, 2025
Oct 23, 2025MOption exercise
Common Stock
+3,931$41.61$164k37,553Oct 27, 2025
Oct 23, 2025SOpen-market sale
Common Stock
-3,931$91.86$361k33,622Oct 27, 2025
Oct 23, 2025MOption exercise
Non Qualified Stock Optionderivative
-8,638$0.00$034,551Oct 27, 2025
Oct 23, 2025MOption exercise
Non Qualified Stock Optionderivative
-1,202$0.00$03,606Oct 27, 2025
Oct 23, 2025MOption exercise
Non Qualified Stock Optionderivative
-866$0.00$01,732Oct 27, 2025
Oct 23, 2025MOption exercise
Non Qualified Stock Optionderivative
-3,931$0.00$015,721Oct 27, 2025

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.