Wang David H
SEC insider (Form 3/4/5 filer). CIK 0001721580. Director & 10% Owner at ACM Research, Inc. (ACMR). 63 reported Form 4/5 transactions since Sep 2024; latest on Sep 9, 2026. Located in FREMONT, CA.
Companies Wang David H has filed insider reports for
- ACM Research, Inc. (ACMR): Director, Officer, 10% Owner, See Remarks
Wang David H
CIK: 0001721580
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
ACM Research, Inc.
Discretionary Trading P&L
Holdings
Transaction History (63 total)
- Sep 9, 2026ACMR
ACM Research, Inc.
SaleDirect4.8K shares at avg. $76.73$369K - Sep 9, 2026ACMR
ACM Research, Inc.
SaleDirect33.5K shares at avg. $73.80$2.5M - Sep 9, 2026ACMR
ACM Research, Inc.
SaleDirect1.1K shares at avg. $77.59$85K - Sep 9, 2026ACMR
ACM Research, Inc.
ExerciseDirect70K shares at avg. $1.00$70K - Sep 9, 2026ACMR
ACM Research, Inc.
SaleDirect11.7K shares at avg. $75.58$882K - Sep 9, 2026ACMR
ACM Research, Inc.
SaleDirect18.9K shares at avg. $74.67$1.4M - Sep 8, 2026ACMR
ACM Research, Inc.
SaleDirect51.4K shares at avg. $77.15$4.0M - Sep 8, 2026ACMR
ACM Research, Inc.
ExerciseDirect70K shares at avg. $1.00$70K - Sep 8, 2026ACMR
ACM Research, Inc.
SaleDirect12.3K shares at avg. $78.08$962K - Sep 8, 2026ACMR
ACM Research, Inc.
SaleDirect4.8K shares at avg. $75.99$365K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 9, 2026 | ACMR ACM Research, Inc. | Sale | 4,807 | $76.73 | $368,841 | Direct |
| Sep 9, 2026 | ACMR ACM Research, Inc. | Sale | 33,493 | $73.80 | $2,471,783 | Direct |
| Sep 9, 2026 | ACMR ACM Research, Inc. | Sale | 1,100 | $77.59 | $85,349 | Direct |
| Sep 9, 2026 | ACMR ACM Research, Inc. | Exercise | 70,000 | $1.00 | $70,000 | Direct |
| Sep 9, 2026 | ACMR ACM Research, Inc. | Sale | 11,666 | $75.58 | $881,716 | Direct |
| Sep 9, 2026 | ACMR ACM Research, Inc. | Sale | 18,934 | $74.67 | $1,413,802 | Direct |
| Sep 8, 2026 | ACMR ACM Research, Inc. | Sale | 51,374 | $77.15 | $3,963,504 | Direct |
| Sep 8, 2026 | ACMR ACM Research, Inc. | Exercise | 70,000 | $1.00 | $70,000 | Direct |
| Sep 8, 2026 | ACMR ACM Research, Inc. | Sale | 12,323 | $78.08 | $962,180 | Direct |
| Sep 8, 2026 | ACMR ACM Research, Inc. | Sale | 4,803 | $75.99 | $364,980 | Direct |
1-10 of 63 transactions