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sellWeak cluster of 2

Katherine S. Ngai-Pesic sold $74k of SVCO

director, owner, other at Silvaco Group, Inc.. 15,000 shares at an average of $4.91, traded Jun 4, 2025, filed Jun 4, 2025.

Warning score
31
Value
$74k
15,000 shares
Holdings after
10,477,355
-0% from before
From 52-week low
+31%
low $3.77, close $4.93
From 52-week high
-68%
high $15.63, as of Jun 4, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $74k at market
    +8
  • Share of holdings sold
    Sold 0.1% of holdings
    0
  • Cluster
    2 insiders selling within 14 days
    +8

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.

SVCOOct 9, 2026 · close 8.13
Since filing Jun 4, 2025: +64.8%SPY +32.8% · excess +32.0%

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 0001628280-25-029456, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 4, 2025SOpen-market sale
Common Stock
-15,000$4.91$74k10,477,355Jun 4, 2025

Related signals

Other insiders at Silvaco Group, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
43Moderate
SVCObuy 4
Silvaco Group, Inc.
Anthony K.K. Ngai
director
$4,230
1,000 shares
+1%
43Moderate
SVCObuy 4
Silvaco Group, Inc.
Katherine S. Ngai-Pesic
director, owner, other
$103k
25,000 shares
+0%
73Notable
SVCObuy 4
Silvaco Group, Inc.
Walden C Rhines
Chief Executive Officer
$53k
13,100 shares
+14%
66Notable
SVCObuy 4
Silvaco Group, Inc.
Christopher John Zegarelli
Chief Financial Officer
$38k
10,000 shares
+2%
62Notable
SVCObuy 3
Silvaco Group, Inc.
Anthony K.K. Ngai
director
$43k
10,000 shares
+12%
26Weak
SVCOsell
Silvaco Group, Inc.
Candace Jackson
See Remarks
$35k
8,300 shares
-16%
79Notable
SVCObuy 3
Silvaco Group, Inc.
Walden C Rhines
Chief Executive Officer
$118k
29,000 shares
+45%
70Notable
SVCObuy 3
Silvaco Group, Inc.
Walden C Rhines
Chief Executive Officer
$44k
11,272 shares
+21%
60Notable
SVCObuy 3
Silvaco Group, Inc.
Christopher John Zegarelli
Chief Financial Officer
$20k
5,000 shares
+1%
53Moderate
SVCObuy 2
Silvaco Group, Inc.
Christopher John Zegarelli
Chief Financial Officer
$26k
5,100 shares
+150%

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.