Insider · CIK 0001721299
Tracy Liu
director
Files at ACMR (ACM Research, Inc.). First filing Jul 17, 2025, latest Mar 12, 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 / 3
$0 bought, $3.8M 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 |
|---|---|---|---|---|---|
| 30Weak | ACM Research, Inc. | $2.9M 60,000 shares | -39% | +162% from low-32% from high | |
| 18Weak | ACM Research, Inc. | $495k 15,000 shares | -12% | +139% from low0% from high | |
| 10Weak | ACM Research, Inc. | $450k 15,000 shares | -12% | +109% from low-2% from high |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Mar 10, 2026 | ACMR ACM Research, Inc. | MOption exercise Class A Common Stock10b5-1 | +45,000 | $1.00 | $45k | 155,772 | Mar 12, 2026 |
| Mar 10, 2026 | ACMR ACM Research, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -32,216 | $47.06 | $1.5M | 123,556 | Mar 12, 2026 |
| Mar 10, 2026 | ACMR ACM Research, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -12,784 | $48.19 | $616k | 110,772 | Mar 12, 2026 |
| Mar 11, 2026 | ACMR ACM Research, Inc. | MOption exercise Class A Common Stock10b5-1 | +15,000 | $1.00 | $15k | 125,772 | Mar 12, 2026 |
| Mar 11, 2026 | ACMR ACM Research, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -11,623 | $47.81 | $556k | 114,149 | Mar 12, 2026 |
| Mar 11, 2026 | ACMR ACM Research, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -3,377 | $48.25 | $163k | 110,772 | Mar 12, 2026 |
| Mar 10, 2026 | ACMR ACM Research, Inc. | MOption exercise Stock Optionderivative10b5-1 | -45,000 | $0.00 | $0 | 15,000 | Mar 12, 2026 |
| Mar 11, 2026 | ACMR ACM Research, Inc. | MOption exercise Stock Optionderivative10b5-1 | -15,000 | $0.00 | $0 | 0 | Mar 12, 2026 |
| Sep 17, 2025 | ACMR ACM Research, Inc. | MOption exercise Class A Common Stock10b5-1 | +15,000 | $1.00 | $15k | 125,772 | Sep 19, 2025 |
| Sep 17, 2025 | ACMR ACM Research, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -15,000 | $33.00 | $495k | 110,772 | Sep 19, 2025 |
| Sep 17, 2025 | ACMR ACM Research, Inc. | MOption exercise Stock Optionderivative10b5-1 | -15,000 | $0.00 | $0 | 60,000 | Sep 19, 2025 |
| Aug 12, 2025 | ACMR ACM Research, Inc. | AGrant or award Stock Optionderivative | +20,000 | $0.00 | $0 | 20,000 | Aug 14, 2025 |
| Jul 15, 2025 | ACMR ACM Research, Inc. | MOption exercise Class A Common Stock10b5-1 | +15,000 | $1.00 | $15k | 125,772 | Jul 17, 2025 |
| Jul 15, 2025 | ACMR ACM Research, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -15,000 | $30.00 | $450k | 110,772 | Jul 17, 2025 |
| Jul 15, 2025 | ACMR ACM Research, Inc. | MOption exercise Stock Optionderivative10b5-1 | -15,000 | $0.00 | $0 | 75,000 | Jul 17, 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.