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sellModerate cluster of 6

Chi-Hong Ju sold $96k of AMBA

Senior VP, Systems & GM, Asia at AMBARELLA INC. 1,342 shares at an average of $71.82, traded Dec 17, 2025, filed Dec 19, 2025.

Warning score
40
Value
$96k
1,342 shares
Holdings after
157,532
-1% from before
From 52-week low
+74%
low $40.30, close $69.98
From 52-week high
-27%
high $95.51, as of Dec 17, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $96k at market
    +10
  • Share of holdings sold
    Sold 0.8% of holdings
    0
  • Cluster
    6 insiders selling within 14 days
    +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.

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.

AMBAOct 9, 2026 · close 67.43
Since filing Dec 19, 2025: -7.0%SPY +15.3% · excess -22.3%

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 0001280263-25-000068, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 17, 2025SOpen-market sale
Ordinary Shares
-1,342$71.82$96k157,532Dec 19, 2025

Related signals

Other insiders at AMBARELLA INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
10Weak
AMBAsell 510b5-1
AMBARELLA INC
Christopher B Paisley
director
$18k
250 shares
-1%
28Weak
AMBAsell 510b5-1
AMBARELLA INC
John Alexander Young
CFO
$128k
1,896 shares
-2%
49Moderate
AMBAsell 5
AMBARELLA INC
John Alexander Young
CFO
$203k
3,126 shares
-3%
47Moderate
AMBAsell 5
AMBARELLA INC
Chan W Lee
Chief Operations Officer
$188k
2,893 shares
-2%
41Moderate
AMBAsell 5
AMBARELLA INC
Chi-Hong Ju
Senior VP, Systems & GM
$130k
2,009 shares
-1%
56Moderate
AMBAsell 5
AMBARELLA INC
Feng-Ming Wang
CEO
$395k
6,086 shares
-1%
43Moderate
AMBAsell 6
AMBARELLA INC
Chi-Hong Ju
Senior VP, Systems & GM, Asia
$265k
3,765 shares
-2%
36Weak
AMBAsell 6
AMBARELLA INC
Christopher B Paisley
director
$36k
500 shares
-1%
55Moderate
AMBAsell 6
AMBARELLA INC
Feng-Ming Wang
CEO
$356k
4,950 shares
-1%
46Moderate
AMBAsell 6
AMBARELLA INC
Chan W Lee
Chief Operations Officer
$173k
2,406 shares
-2%

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.

Chi-Hong Ju sold $96k of AMBA | InsiderTell