Wang David H Insider Trading Activity
Wang David H has been net-selling over the last 12 months with 0 purchases and 12 sales across 1 company.
ACMR is the most-traded position with 12 trades. The largest single transaction was a sale of ACMR for $2.7M on Mar 11, 2026.
Performance Scorecard
Forward stock performance after each transaction by Wang David H. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -27.1% | 8% | 12 |
| 90 days | — | -40.9% | 0% | 7 |
| 120 days | — | -41.5% | 0% | 7 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersACMR · ACM Research, Inc.
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Upgrade to ProRecent Trades
| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | ROLE |
|---|---|---|---|---|---|---|
| Mar 12, 2026 | ACMR | Sell | 38,737 | $45.74 | $1.8M | See Remarks |
| Mar 12, 2026 | ACMR | Sell | 10,561 | $44.92 | $474K | See Remarks |
| Mar 12, 2026 | ACMR | Sell | 702 | $46.57 | $33K | See Remarks |
| Mar 11, 2026 | ACMR | Sell | 55,373 | $47.89 | $2.7M | See Remarks |
| Mar 11, 2026 | ACMR | Sell | 4,627 | $48.34 | $224K | See Remarks |
| Dec 4, 2025 | ACMR | Sell | 19,817 | $33.52 | $664K | See Remarks |
| Dec 4, 2025 | ACMR | Sell | 40,183 | $34.42 | $1.4M | See Remarks |
| Dec 3, 2025 | ACMR | Sell | 1,200 | $33.56 | $40K | See Remarks |
| Dec 3, 2025 | ACMR | Sell | 68,800 | $33.05 | $2.3M | See Remarks |
| Sep 4, 2025 | ACMR | Sell | 60,000 | $26.44 | $1.6M | See Remarks |
| Sep 3, 2025 | ACMR | Sell | 66,057 | $26.73 | $1.8M | See Remarks |
| Sep 3, 2025 | ACMR | Sell | 3,943 | $27.31 | $108K | See Remarks |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| ACMR | ACM Research, Inc. | 12 | $13.0M |
Other insiders at ACM Research, Inc.
6 other tracked filers at ACMR.