Chi-Hong Ju sold $366k of AMBA
Senior VP, Systems & GM, Asia at AMBARELLA INC. 6,884 shares at an average of $53.20, traded Mar 17, 2026, filed Mar 19, 2026.
Score components
- +15RoleOfficer
- +15Trade size$366k at market
- 0Share of holdings soldSold 4.1% of holdings
- +15Cluster4 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
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 +4.2%, 3m +25.3%, 6m +19.8%.
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.
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 0001280263-26-000028, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Mar 17, 2026 | MOption exercise Ordinary Shares | +9,553 | - | - | 168,895 | Mar 19, 2026 |
| Mar 17, 2026 | SOpen-market sale Ordinary Shares | -4,729 | $52.77 | $250k | 164,166 | Mar 19, 2026 |
| Mar 18, 2026 | AGrant or award Ordinary Shares | +5,930 | $0.00 | $0 | 170,096 | Mar 19, 2026 |
| Mar 19, 2026 | SOpen-market sale Ordinary Shares | -2,155 | $54.14 | $117k | 167,941 | Mar 19, 2026 |
| Mar 17, 2026 | MOption exercise Performance Stock Unitsderivative | -9,553 | $0.00 | $0 | 0 | Mar 19, 2026 |
Related signals
Other insiders at AMBARELLA INC and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 10Weak | AMBARELLA INC | Christopher B Paisley director | $18k 250 shares | -1% | |
| 28Weak | AMBARELLA INC | John Alexander Young CFO | $128k 1,896 shares | -2% | |
| 49Moderate | AMBARELLA INC | John Alexander Young CFO | $203k 3,126 shares | -3% | |
| 47Moderate | AMBARELLA INC | Chan W Lee Chief Operations Officer | $188k 2,893 shares | -2% | |
| 41Moderate | AMBARELLA INC | Chi-Hong Ju Senior VP, Systems & GM | $130k 2,009 shares | -1% | |
| 56Moderate | AMBARELLA INC | Feng-Ming Wang CEO | $395k 6,086 shares | -1% | |
| 47Moderate | AMBARELLA INC | Yun-Lung Chen VP, Business Dev. & Marketing | $469k 5,958 shares | -9% | |
| 45Moderate | AMBARELLA INC | Feng-Ming Wang CEO | $1.5M 16,250 shares | -2% | |
| 53Moderate | AMBARELLA INC | Chi-Hong Ju Senior VP, Systems & GM | $888k 10,000 shares | -6% | |
| 10Weak | 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.