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sellWeak cluster of 9

Christopher Day sold $70k of AMBA

VP, Marketing at AMBARELLA INC. 929 shares at an average of $75.40, traded Dec 18, 2024, filed Dec 20, 2024.

Warning score
38
Value
$70k
929 shares
Holdings after
15,777
-6% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Officer
    +15
  • Trade size
    $70k at market
    +8
  • Share of holdings sold
    Sold 5.6% of holdings
    0
  • Cluster
    9 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.

This signal so far: 1m +13.9%, 3m -23.5%, 6m -27.1%.

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.

AMBAOct 9, 2026 · close 67.43
Since filing Dec 20, 2024: -4.9%SPY +34.2% · excess -39.1%

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 0001280263-24-000065, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 18, 2024SOpen-market sale
Ordinary Shares
-81$75.41$6,10816,625Dec 20, 2024
Dec 18, 2024SOpen-market sale
Ordinary Shares
-848$75.40$64k15,777Dec 20, 2024

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%
47Moderate
AMBAsell 4
AMBARELLA INC
Yun-Lung Chen
VP, Business Dev. & Marketing
$469k
5,958 shares
-9%
45Moderate
AMBAsell 610b5-1
AMBARELLA INC
Feng-Ming Wang
CEO
$1.5M
16,250 shares
-2%
53Moderate
AMBAsell 6
AMBARELLA INC
Chi-Hong Ju
Senior VP, Systems & GM
$888k
10,000 shares
-6%
10Weak
AMBAsell 610b5-1
AMBARELLA INC
Christopher B Paisley
director
$16k
250 shares
-1%

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.

Christopher Day sold $70k of AMBA | InsiderTell