Insider · CIK 0001882831
Chi-Hong Ju
officer
Files at AMBA (AMBARELLA INC). First filing Dec 10, 2024, latest Sep 18, 2026.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 7
$0 bought, $907k sold
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
AMBA: AMBARELLA INC
AMBAOct 9, 2026 · close 67.43
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 41Moderate | AMBARELLA INC | $130k 2,009 shares | -1% | +38% from low-30% from high | |
| 40Moderate | AMBARELLA INC | $93k 1,168 shares | -1% | +98% from low-6% from high | |
| 37Weak | AMBARELLA INC | $58k 1,108 shares | -1% | +30% from low-37% from high | |
| 37Weak | AMBARELLA INC | $57k 1,034 shares | -1% | +10% from low-35% from high | |
| 40Moderate | AMBARELLA INC | $102k 1,859 shares | -1% | +2% from low-35% from high | |
| 39Weak | AMBARELLA INC | $79k 1,048 shares | -1% | - | |
| 46Moderate | AMBARELLA INC | $387k 5,118 shares | -3% | - |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 17, 2026 | AMBA AMBARELLA INC | SOpen-market sale Ordinary Shares | -2,009 | $64.83 | $130k | 154,153 | 24 d ago |
| Sep 17, 2025 | AMBA AMBARELLA INC | SOpen-market sale Ordinary Shares | -1,168 | $79.43 | $93k | 170,087 | Sep 19, 2025 |
| Jun 17, 2025 | AMBA AMBARELLA INC | SOpen-market sale Ordinary Shares | -1,108 | $52.26 | $58k | 171,032 | Jun 20, 2025 |
| Mar 18, 2025 | AMBA AMBARELLA INC | SOpen-market sale Ordinary Shares | -1,034 | $55.02 | $57k | 172,140 | Mar 20, 2025 |
| Feb 28, 2025 | AMBA AMBARELLA INC | AGrant or award Ordinary Shares | +12,388 | $0.00 | $0 | 170,026 | Mar 7, 2025 |
| Mar 5, 2025 | AMBA AMBARELLA INC | AGrant or award Ordinary Shares | +4,773 | $0.00 | $0 | 174,799 | Mar 7, 2025 |
| Mar 6, 2025 | AMBA AMBARELLA INC | SOpen-market sale Ordinary Shares | -1,859 | $55.11 | $102k | 172,940 | Mar 7, 2025 |
| Feb 28, 2025 | AMBA AMBARELLA INC | AGrant or award Performance Stock Unitsderivative | +12,388 | $0.00 | $0 | 12,388 | Mar 7, 2025 |
| Dec 16, 2024 | AMBA AMBARELLA INC | SOpen-market sale Ordinary Shares | -1,048 | $75.41 | $79k | 157,638 | Dec 18, 2024 |
| Dec 9, 2024 | AMBA AMBARELLA INC | GGift Ordinary Shares | -593 | $0.00 | $0 | 163,804 | Dec 10, 2024 |
| Dec 9, 2024 | AMBA AMBARELLA INC | SOpen-market sale Ordinary Shares | -2,118 | $75.69 | $160k | 161,686 | Dec 10, 2024 |
| Dec 9, 2024 | AMBA AMBARELLA INC | SOpen-market sale Ordinary Shares | -3,000 | $75.72 | $227k | 158,686 | Dec 10, 2024 |
| Dec 4, 2024 | AMBA AMBARELLA INC | GGift Ordinary Shares | -5,000 | $0.00 | $0 | 164,397 | Dec 6, 2024 |
| Dec 4, 2024 | AMBA AMBARELLA INC | GGift Ordinary Sharesindirect: by Foundation | +5,000 | $0.00 | $0 | 8,000 | Dec 6, 2024 |
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.