4
Changes in Ownership
ACM Research, Inc. Filed Acc 0001140361-26-024280
See Remarks sold 100,002 shares at an average $88.35 ($8,835,388)
- See Remarks acquired 100,002 shares (option exercise)
- Traded under a Rule 10b5-1 plan
From the SEC's structured data for this filing
Trades in this filing
| Insider | Date | Transaction | Shares | Price | Value | Owned after | D/I |
|---|---|---|---|---|---|---|---|
| Wang David H See Remarks | 2026-06-03 | Option exercise 10b5-1 | +60,000 | $1.00 | $60,000 | 862,708 | D |
| Wang David H See Remarks | 2026-06-03 | Sale 10b5-1 | −4,300 | $87.57 | $376,551 | 858,408 | D |
| Wang David H See Remarks | 2026-06-03 | Sale 10b5-1 | −6,295 | $88.98 | $560,129 | 852,113 | D |
| Wang David H See Remarks | 2026-06-03 | Sale 10b5-1 | −32,450 | $89.84 | $2,915,308 | 819,663 | D |
| Wang David H See Remarks | 2026-06-03 | Sale 10b5-1 | −9,925 | $90.78 | $900,992 | 809,738 | D |
| Wang David H See Remarks | 2026-06-03 | Sale 10b5-1 | −5,843 | $92.38 | $539,776 | 803,895 | D |
| Wang David H See Remarks | 2026-06-03 | Sale 10b5-1 | −1,187 | $93.04 | $110,438 | 802,708 | D |
| Wang David H See Remarks | 2026-06-04 | Option exercise 10b5-1 | +40,002 | $1.00 | $40,002 | 842,710 | D |
| Wang David H See Remarks | 2026-06-04 | Sale 10b5-1 | −2,060 | $83.86 | $172,752 | 840,650 | D |
| Wang David H See Remarks | 2026-06-04 | Sale 10b5-1 | −17,543 | $85.11 | $1,493,085 | 823,107 | D |
| Wang David H See Remarks | 2026-06-04 | Sale 10b5-1 | −10,992 | $86.07 | $946,081 | 812,115 | D |
| Wang David H See Remarks | 2026-06-04 | Sale 10b5-1 | −8,581 | $87.13 | $747,663 | 803,534 | D |
| Wang David H See Remarks | 2026-06-04 | Sale 10b5-1 | −826 | $87.91 | $72,614 | 802,708 | D |
| Derivatives | |||||||
| Wang David H See Remarks | 2026-06-03 | Option exercise · Stock Option 10b5-1 | −60,000 | 310,002 | D | ||
| Wang David H See Remarks | 2026-06-04 | Option exercise · Stock Option 10b5-1 | −40,002 | 270,000 | D | ||
| Open-market sales · 100,002 sh · avg $88.35 · $8,835,388 | |||||||
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