Insider · CIK 0001721279
Sotheara Cheav
officer
Files at ACMR (ACM Research, Inc.). First filing Feb 10, 2025, latest Sep 19, 2025.
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 / 3
$0 bought, $1.2M 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.
ACMR: ACM Research, Inc.
ACMROct 9, 2026 · close 71.37
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 |
|---|---|---|---|---|---|
| 10Weak | ACM Research, Inc. | $350k 10,000 shares | -9% | +156% from low0% from high | |
| 15Weak | ACM Research, Inc. | $335k 11,152 shares | -10% | +117% from low-5% from high | |
| 11Weak | ACM Research, Inc. | $520k 22,598 shares | -18% | +63% from low-2% from high |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 18, 2025 | ACMR ACM Research, Inc. | MOption exercise Class A Common Stock10b5-1 | +10,000 | $13.89 | $139k | 110,002 | Sep 19, 2025 |
| Sep 18, 2025 | ACMR ACM Research, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -10,000 | $35.00 | $350k | 100,002 | Sep 19, 2025 |
| Sep 18, 2025 | ACMR ACM Research, Inc. | MOption exercise Stock Optionderivative10b5-1 | -10,000 | $0.00 | $0 | 56,250 | Sep 19, 2025 |
| Aug 22, 2025 | ACMR ACM Research, Inc. | MOption exercise Class A Common Stock10b5-1 | +11,152 | $13.89 | $155k | 111,154 | Aug 26, 2025 |
| Aug 22, 2025 | ACMR ACM Research, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -11,152 | $30.00 | $335k | 100,002 | Aug 26, 2025 |
| Aug 22, 2025 | ACMR ACM Research, Inc. | MOption exercise Stock Optionderivative10b5-1 | -11,152 | $0.00 | $0 | 66,250 | Aug 26, 2025 |
| Feb 6, 2025 | ACMR ACM Research, Inc. | MOption exercise Class A Common Stock10b5-1 | +10,000 | $13.89 | $139k | 110,002 | Feb 10, 2025 |
| Feb 6, 2025 | ACMR ACM Research, Inc. | MOption exercise Class A Common Stock10b5-1 | +12,598 | $13.89 | $175k | 122,600 | Feb 10, 2025 |
| Feb 6, 2025 | ACMR ACM Research, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -22,598 | $23.00 | $520k | 100,002 | Feb 10, 2025 |
| Feb 6, 2025 | ACMR ACM Research, Inc. | MOption exercise Stock Optionderivative10b5-1 | -10,000 | $0.00 | $0 | 90,000 | Feb 10, 2025 |
| Feb 6, 2025 | ACMR ACM Research, Inc. | MOption exercise Stock Optionderivative10b5-1 | -12,598 | $0.00 | $0 | 77,402 | Feb 10, 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.