InsiderTrades

Chen Fuping

SEC CIK 1729184 · EDGAR

Buying vs selling by month open-market trades, last 38 months, ACMR
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
ACMRACM Research, Inc.See remarks 0 — $5.56M 42023-08-232025-12-02

Most active insiders at ACMR, 12 months

#InsiderTitleBoughtSold
1 Wang David HSee Remarks, Dir, 10% —$28.98M
2 McKechnie MarkSee Remarks —$9.85M
3 Chen FupingSee remarks —$3.98M
4 Liu TracyDir —$2.85M
5 Feng LisaSee remarks —$2.44M
6 Cheav SothearaSee remarks —$1.59M
7 Dun HaipingDir —$954.1K
8 Pappis Charles CDir —$510.4K

Transactions 4

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
DMT 2025-12-04 2025-12-02+ ACMR ACM Research, Inc. Chen Fuping See remarks S - Sale+OE $33.18 -120.0K 0 -100% -$3.98M
DMT 2025-12-04 2025-12-02+ ACMR ACM Research, Inc. Chen Fuping See remarks M - OptEx $1.77 +120.0K 20.0K New +$212.4K
DM 2023-08-25 2023-08-23 ACMR ACM Research, Inc. Chen Fuping See remarks M - OptEx $1.06 +105.0K 105.0K New +$111.8K
D 2023-08-25 2023-08-23 ACMR ACM Research, Inc. Chen Fuping See remarks S - Sale+OE $15.00 -105.0K 0 -100% -$1.57M

Purchase Sale Sale after option exercise All abbreviations