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sellModerate cluster of 7

Michael McNamara sold $1.4M of VICR

General Manager Mfg. Ops. at VICOR CORP. 7,174 shares at an average of $190.07, traded Mar 17, 2026, filed Mar 18, 2026.

Warning score
50
Value
$1.4M
7,174 shares
Holdings after
18,138
-36% from before
From 52-week low
+398%
low $39.41, close $196.33
From 52-week high
-6%
high $209.19, as of Mar 17, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $1.4M at market
    +25
  • Share of holdings sold
    Sold 36% of holdings
    +10
  • Cluster
    7 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 +13.7%, 3m +69.5%, 6m -4.1%.

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 Mar 18, 2026: +38.7%SPY +18.6% · excess +20.1%

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 0001193125-26-113483, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 17, 2026MOption exercise
Common Stock
+1,668$60.61$101k19,806Mar 18, 2026
Mar 17, 2026SOpen-market sale
Common Stock
-1,668$190.07$317k18,138Mar 18, 2026
Mar 17, 2026MOption exercise
Common Stock
+5,506$41.61$229k23,644Mar 18, 2026
Mar 17, 2026SOpen-market sale
Common Stock
-5,506$190.07$1.0M18,138Mar 18, 2026
Mar 17, 2026MOption exercise
Non Qualified Stock Optionderivative
-1,668$0.00$01,666Mar 18, 2026
Mar 17, 2026MOption exercise
Non Qualified Stock Optionderivative
-5,506$0.00$08,257Mar 18, 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.

Michael McNamara sold $1.4M of VICR | InsiderTell