InsiderTrades

Feng Lisa

SEC CIK 1779777 · EDGAR

Buying vs selling by month open-market trades, last 43 months, ACMR
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
ACMRACM Research, Inc.See remarks 65.0K — $4.20M 172021-11-032026-03-05

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 17

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
DMT 2026-03-09 2026-03-05+ ACMR ACM Research, Inc. Feng Lisa See remarks M - OptEx $4.55 +30.0K 65.0K +86% +$136.5K
DMT 2026-03-09 2026-03-05+ ACMR ACM Research, Inc. Feng Lisa See remarks S - Sale+OE $48.04 -30.0K 57.0K -35% -$1.44M
DMT 2025-11-14 2025-11-12+ ACMR ACM Research, Inc. Feng Lisa See remarks M - OptEx $5.60 +30.0K 65.0K +86% +$168.0K
DMT 2025-11-14 2025-11-12+ ACMR ACM Research, Inc. Feng Lisa See remarks S - Sale+OE $33.27 -30.0K 50.0K -37% -$998.0K
DT 2025-07-09 2025-07-07 ACMR ACM Research, Inc. Feng Lisa See remarks M - OptEx $5.60 +15.0K 65.0K +30% +$84.0K
DT 2025-07-09 2025-07-07 ACMR ACM Research, Inc. Feng Lisa See remarks S - Sale+OE $28.00 -15.0K 50.0K -23% -$420.0K
DT 2025-06-26 2025-06-24 ACMR ACM Research, Inc. Feng Lisa See remarks S - Sale+OE $26.00 -15.0K 50.0K -23% -$390.0K
DT 2025-06-26 2025-06-24 ACMR ACM Research, Inc. Feng Lisa See remarks M - OptEx $5.60 +15.0K 65.0K +30% +$84.0K
DT 2024-03-01 2024-02-28 ACMR ACM Research, Inc. Feng Lisa See remarks S - Sale+OE $25.20 -7,500 50.0K -13% -$189.0K
DT 2024-03-01 2024-02-28 ACMR ACM Research, Inc. Feng Lisa See remarks M - OptEx $5.60 +7,500 57.5K +15% +$42.0K
DT 2023-12-28 2023-12-26 ACMR ACM Research, Inc. Feng Lisa See remarks M - OptEx $5.60 +7,500 57.5K +15% +$42.0K
DT 2023-12-28 2023-12-26 ACMR ACM Research, Inc. Feng Lisa See remarks S - Sale+OE $20.00 -7,500 50.0K -13% -$150.0K
D 2023-07-05 2023-07-03 ACMR ACM Research, Inc. Feng Lisa See remarks M - OptEx $1.77 +22.5K 72.5K +45% +$39.8K
D 2023-07-05 2023-07-03 ACMR ACM Research, Inc. Feng Lisa See remarks S - Sale+OE $15.00 -22.5K 50.0K -31% -$337.5K
DM 2023-03-13 2023-03-09 ACMR ACM Research, Inc. Feng Lisa See remarks S - Sale+OE $12.37 -22.5K 60.3K -27% -$278.4K
D 2023-03-13 2023-03-09 ACMR ACM Research, Inc. Feng Lisa See remarks M - OptEx $1.77 +22.5K 72.5K +45% +$39.8K
D 2021-11-05 2021-11-03 ACMR ACM Research, Inc. Feng Lisa See remarks M - OptEx $5.60 +2,437 16.7K +17% +$13.6K

Purchase Sale Sale after option exercise All abbreviations