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sellWeak cluster of 210b5-1 plan

Chan W Lee sold $153k of AMBA

Chief Operating Officer at AMBARELLA INC. 2,000 shares at an average of $76.56, traded Jan 15, 2025, filed Jan 17, 2025.

Warning score
19
Value
$153k
2,000 shares
Holdings after
109,918
-2% from before
From 52-week low
+45%
low $52.39, close $76.16
From 52-week high
-3%
high $78.18, as of Jan 15, 2025

Score components

  • Role
    COO
    +20
  • Trade size
    $153k at market
    +11
  • Share of holdings sold
    Sold 1.8% of holdings
    0
  • Cluster
    2 insiders selling within 14 days
    +8
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

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 -3.7%, 3m -46.6%, 6m -14.1%.

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 Jan 17, 2025: -16.5%SPY +32.8% · excess -49.3%

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 0001280263-25-000005, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jan 15, 2025SOpen-market sale
Ordinary Shares10b5-1
-1,000$75.90$76k110,918Jan 17, 2025
Jan 16, 2025SOpen-market sale
Ordinary Shares10b5-1
-1,000$77.21$77k109,918Jan 17, 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%
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.

Chan W Lee sold $153k of AMBA | InsiderTell