Dun Haiping
SEC insider (Form 3/4/5 filer). CIK 0001721581. Director at ACM Research, Inc. (ACMR). 26 reported Form 4/5 transactions since Sep 2024; latest on Aug 18, 2026. Located in FREMONT, CA.
Companies Dun Haiping has filed insider reports for
- ACM Research, Inc. (ACMR): Director
Dun Haiping
CIK: 0001721581
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 (26 total)
- Aug 18, 2026ACMR
ACM Research, Inc.
SaleDirect400 shares at avg. $82.17$33K - Aug 18, 2026ACMR
ACM Research, Inc.
ExerciseDirect5K shares at avg. $5.60$28K - Aug 18, 2026ACMR
ACM Research, Inc.
SaleDirect1.2K shares at avg. $80.29$96K - Aug 18, 2026ACMR
ACM Research, Inc.
SaleDirect3.4K shares at avg. $81.31$276K - Aug 12, 2026ACMR
ACM Research, Inc.
AwardDirectRestricted Stock Units
728 shares- - Aug 12, 2026ACMR
ACM Research, Inc.
AwardDirectStock Option
6.4K shares- - May 19, 2026ACMR
ACM Research, Inc.
ExerciseDirect5K shares at avg. $5.60$28K - May 19, 2026ACMR
ACM Research, Inc.
SaleDirect1.9K shares at avg. $67.54$125K - May 19, 2026ACMR
ACM Research, Inc.
SaleDirect1.3K shares at avg. $67.21$88K - May 19, 2026ACMR
ACM Research, Inc.
SaleDirect500 shares at avg. $65.09$33K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 18, 2026 | ACMR ACM Research, Inc. | Sale | 400 | $82.17 | $32,868 | Direct |
| Aug 18, 2026 | ACMR ACM Research, Inc. | Exercise | 5,000 | $5.60 | $28,000 | Direct |
| Aug 18, 2026 | ACMR ACM Research, Inc. | Sale | 1,200 | $80.29 | $96,348 | Direct |
| Aug 18, 2026 | ACMR ACM Research, Inc. | Sale | 3,400 | $81.31 | $276,454 | Direct |
| Aug 12, 2026 | ACMR ACM Research, Inc. | Award Restricted Stock Units | 728 | - | - | Direct |
| Aug 12, 2026 | ACMR ACM Research, Inc. | Award Stock Option | 6,400 | - | - | Direct |
| May 19, 2026 | ACMR ACM Research, Inc. | Exercise | 5,000 | $5.60 | $28,000 | Direct |
| May 19, 2026 | ACMR ACM Research, Inc. | Sale | 1,858 | $67.54 | $125,489 | Direct |
| May 19, 2026 | ACMR ACM Research, Inc. | Sale | 1,309 | $67.21 | $87,978 | Direct |
| May 19, 2026 | ACMR ACM Research, Inc. | Sale | 500 | $65.09 | $32,545 | Direct |
1-10 of 26 transactions