Insider · CIK 0001316320
Chenming Hu
Files at AMBA (AMBARELLA INC), ACMR (ACM Research, Inc.). First filing Mar 19, 2025, latest Mar 19, 2025.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
ACMR: ACM Research, Inc.
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 |
|---|---|---|---|---|---|
| 55Moderate | ACM Research, Inc. | $4.9M 163,308 shares | -62% | +113% from low0% from high |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 8, 2026 | AMBA AMBARELLA INC | AGrant or award Ordinary Shares | +3,151 | $0.00 | $0 | 32,667 | 32 d ago |
| Mar 17, 2025 | ACMR ACM Research, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -163,308 | $30.00 | $4.9M | 100,002 | Mar 19, 2025 |
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.