Senior insider sale
ACM RESEARCH, INC. — senior position signals high conviction
$548.5K
10K shares
What this filing means
DUN HAIPING plans to sell 10K shares of ACM RESEARCH, INC. valued at approximately $548.5K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 5/19/2026ACC: 0001950047-26-004751
10K
Shares to sell
$548.5K
Approx. market value
5K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
Stock Option Exercise
Cash
5/19/2026
5KTotal acquired5K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
5/19/2026 | Stock Option Exercise Cash | 5K | — |
| Total | 5K | ||
Planned & Completed Dispositions2
Completed
—Completed
Units to sell
5K
Market value
$217.3K
3/9/2026
Planned — Approximate Date
NASDAQPlanned
Units to sell
5K
Market value
$331.1K
5/19/2026
Total
Units
10K
Value
$548.5K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
3/9/2026 | 5K | $217.3K | — | Completed |
| Planned — Approximate Date | ||||
5/19/2026 | 5K | $331.1K | NASDAQ | Planned |
| Total | 10K | $548.5K | ||