Wang David H
CIK 1721580
Transactions on file
47
Tickers traded
Recent activity
| Filed | Txn date | Issuer | Roles | Code | Shares | Value | % since Filing | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-09-10 | 2026-09-09 | ACMR ACM Research, Inc. | See Remarks | Sale | 1,100 | $85.3K | -8.0% | open → |
| 2026-09-10 | 2026-09-09 | ACMR ACM Research, Inc. | See Remarks | Sale | 4,807 | $368.8K | -7.0% | open → |
| 2026-09-10 | 2026-09-09 | ACMR ACM Research, Inc. | See Remarks | Sale | 11,666 | $881.7K | -5.6% | open → |
| 2026-09-10 | 2026-09-09 | ACMR ACM Research, Inc. | See Remarks | Sale | 18,934 | $1.41M | -4.4% | open → |
| 2026-09-10 | 2026-09-09 | ACMR ACM Research, Inc. | See Remarks | Sale | 33,493 | $2.47M | -3.3% | open → |
| 2026-09-10 | 2026-09-09 | ACMR ACM Research, Inc. | See Remarks | Exer. | 70,000 | $70.0K | +7037.0% | open → |
| 2026-09-10 | 2026-09-08 | ACMR ACM Research, Inc. | See Remarks | Sale | 1,500 | $117.9K | -9.2% | open → |
| 2026-09-10 | 2026-09-08 | ACMR ACM Research, Inc. | See Remarks | Sale | 12,323 | $962.2K | -8.6% | open → |
| 2026-09-10 | 2026-09-08 | ACMR ACM Research, Inc. | See Remarks | Sale | 51,374 | $3.96M | -7.5% | open → |
| 2026-09-10 | 2026-09-08 | ACMR ACM Research, Inc. | See Remarks | Sale | 4,803 | $365.0K | -6.1% | open → |
| 2026-09-10 | 2026-09-08 | ACMR ACM Research, Inc. | See Remarks | Exer. | 70,000 | $70.0K | +7037.0% | open → |
| 2026-06-05 | 2026-06-04 | ACMR ACM Research, Inc. | See Remarks | Sale | 826 | $72.6K | -18.8% | open → |
| 2026-06-05 | 2026-06-04 | ACMR ACM Research, Inc. | See Remarks | Sale | 8,581 | $747.7K | -18.1% | open → |
| 2026-06-05 | 2026-06-04 | ACMR ACM Research, Inc. | See Remarks | Sale | 10,992 | $946.1K | -17.1% | open → |
| 2026-06-05 | 2026-06-04 | ACMR ACM Research, Inc. | See Remarks | Sale | 17,543 | $1.49M | -16.1% | open → |
| 2026-06-05 | 2026-06-04 | ACMR ACM Research, Inc. | See Remarks | Sale | 2,060 | $172.8K | -14.9% | open → |
| 2026-06-05 | 2026-06-04 | ACMR ACM Research, Inc. | See Remarks | Exer. | 40,002 | $40.0K | +7037.0% | open → |
| 2026-06-05 | 2026-06-03 | ACMR ACM Research, Inc. | See Remarks | Sale | 1,187 | $110.4K | -23.3% | open → |
| 2026-06-05 | 2026-06-03 | ACMR ACM Research, Inc. | See Remarks | Sale | 5,843 | $539.8K | -22.7% | open → |
| 2026-06-05 | 2026-06-03 | ACMR ACM Research, Inc. | See Remarks | Sale | 9,925 | $901.0K | -21.4% | open → |
| 2026-06-05 | 2026-06-03 | ACMR ACM Research, Inc. | See Remarks | Sale | 32,450 | $2.92M | -20.6% | open → |
| 2026-06-05 | 2026-06-03 | ACMR ACM Research, Inc. | See Remarks | Sale | 6,295 | $560.1K | -19.8% | open → |
| 2026-06-05 | 2026-06-03 | ACMR ACM Research, Inc. | See Remarks | Sale | 4,300 | $376.6K | -18.5% | open → |
| 2026-06-05 | 2026-06-03 | ACMR ACM Research, Inc. | See Remarks | Exer. | 60,000 | $60.0K | +7037.0% | open → |
| 2025-03-05 | 2025-03-03 | ACMR ACM Research, Inc. | OfficerDirector10% See Remarks | Tax | 4,048 | $105.0K | +175.1% | open → |
| 2025-03-05 | 2025-03-03 | ACMR ACM Research, Inc. | OfficerDirector10% See Remarks | Exer. | 210,000 | $105.0K | +14174.0% | open → |
| 2025-03-13 | 2025-03-12 | ACMR ACM Research, Inc. | OfficerDirector10% See Remarks | Sale | 37,500 | $1.03M | +160.3% | open → |
| 2025-03-13 | 2025-03-13 | ACMR ACM Research, Inc. | OfficerDirector10% See Remarks | Sale | 36,481 | $995.6K | +161.5% | open → |
| 2025-03-13 | 2025-03-11 | ACMR ACM Research, Inc. | OfficerDirector10% See Remarks | Sale | 56,250 | $1.49M | +168.6% | open → |
| 2025-03-13 | 2025-03-13 | ACMR ACM Research, Inc. | OfficerDirector10% See Remarks | Sale | 1,019 | $28.2K | +158.1% | open → |
| 2025-05-23 | 2025-05-22 | ACMR ACM Research, Inc. | OfficerDirector10% See Remarks | Exer. | 60,000 | $60.0K | +7037.0% | open → |
| 2025-05-23 | 2025-05-21 | ACMR ACM Research, Inc. | OfficerDirector10% See Remarks | Sale | 8 | $192.32 | +196.9% | open → |
| 2025-05-23 | 2025-05-21 | ACMR ACM Research, Inc. | OfficerDirector10% See Remarks | Sale | 69,992 | $1.65M | +202.4% | open → |
| 2025-05-23 | 2025-05-22 | ACMR ACM Research, Inc. | OfficerDirector10% See Remarks | Sale | 60,000 | $1.36M | +215.4% | open → |
| 2025-05-23 | 2025-05-21 | ACMR ACM Research, Inc. | OfficerDirector10% See Remarks | Exer. | 70,000 | $70.0K | +7037.0% | open → |
| 2025-12-05 | 2025-12-04 | ACMR ACM Research, Inc. | See Remarks | Sale | 40,183 | $1.38M | +107.4% | open → |
| 2025-12-05 | 2025-12-04 | ACMR ACM Research, Inc. | See Remarks | Sale | 19,817 | $664.3K | +112.9% | open → |
| 2025-12-05 | 2025-12-04 | ACMR ACM Research, Inc. | See Remarks | Exer. | 60,000 | $60.0K | +7037.0% | open → |
| 2025-12-05 | 2025-12-03 | ACMR ACM Research, Inc. | See Remarks | Sale | 1,200 | $40.3K | +112.7% | open → |
| 2025-12-05 | 2025-12-03 | ACMR ACM Research, Inc. | See Remarks | Sale | 68,800 | $2.27M | +115.9% | open → |
| 2025-12-05 | 2025-12-03 | ACMR ACM Research, Inc. | See Remarks | Exer. | 70,000 | $70.0K | +7037.0% | open → |
| 2025-09-05 | 2025-09-03 | ACMR ACM Research, Inc. | OfficerDirector10% See Remarks | Exer. | 70,000 | $70.0K | +7037.0% | open → |
| 2025-09-05 | 2025-09-03 | ACMR ACM Research, Inc. | OfficerDirector10% See Remarks | Sale | 66,057 | $1.77M | +167.0% | open → |
| 2025-09-05 | 2025-09-03 | ACMR ACM Research, Inc. | OfficerDirector10% See Remarks | Sale | 3,943 | $107.7K | +161.3% | open → |
| 2025-09-05 | 2025-09-04 | ACMR ACM Research, Inc. | OfficerDirector10% See Remarks | Exer. | 60,000 | $60.0K | +7037.0% | open → |
| 2025-09-05 | 2025-09-04 | ACMR ACM Research, Inc. | OfficerDirector10% See Remarks | Sale | 60,000 | $1.59M | +169.9% | open → |
| 2025-09-30 | 2025-09-08 | ACMR ACM Research, Inc. | OfficerDirector10% See Remarks | Exer. | 130,000 | $130.0K | +7037.0% | open → |
