InsiderTrades

Cheav Sotheara

SEC CIK 1721279 · EDGAR

Buying vs selling by month open-market trades, last 50 months, ACMR
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
ACMRACM Research, Inc.See remarks 105.4K — $4.44M 162022-08-162026-06-04

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 16

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
DMT 2026-06-05 21:00 2026-06-04+ ACMR ACM Research, Inc. Cheav Sotheara See remarks M - OptEx $13.89 +18.8K 105.4K +22% +$260.4K
DMT 2026-06-05 21:00 2026-06-04+ ACMR ACM Research, Inc. Cheav Sotheara See remarks S - Sale+OE $84.58 -18.8K 100.0K -16% -$1.59M
DT 2025-09-19 2025-09-18 ACMR ACM Research, Inc. Cheav Sotheara See remarks S - Sale+OE $35.00 -10.0K 100.0K -9% -$350.0K
DT 2025-09-19 2025-09-18 ACMR ACM Research, Inc. Cheav Sotheara See remarks M - OptEx $13.89 +10.0K 110.0K +10% +$138.9K
DT 2025-08-26 2025-08-22 ACMR ACM Research, Inc. Cheav Sotheara See remarks S - Sale+OE $30.00 -11.2K 100.0K -10% -$334.6K
DT 2025-08-26 2025-08-22 ACMR ACM Research, Inc. Cheav Sotheara See remarks M - OptEx $13.89 +11.2K 111.2K +11% +$154.9K
DMT 2025-02-10 2025-02-06 ACMR ACM Research, Inc. Cheav Sotheara See remarks M - OptEx $13.89 +22.6K 122.6K +23% +$313.9K
DT 2025-02-10 2025-02-06 ACMR ACM Research, Inc. Cheav Sotheara See remarks S - Sale+OE $23.00 -22.6K 100.0K -18% -$519.8K
MT 2024-03-15 2024-03-13+ ACMR ACM Research, Inc. Cheav Sotheara See remarks S - Sale $28.49 -10.0K 100.0K -9% -$284.9K
DT 2023-11-15 2023-11-13 ACMR ACM Research, Inc. Cheav Sotheara See remarks S - Sale+OE $16.79 -26.0K 110.0K -19% -$436.5K
DMT 2023-11-15 2023-11-13 ACMR ACM Research, Inc. Cheav Sotheara See remarks M - OptEx $4.99 +26.0K 136.0K +24% +$129.7K
DM 2023-06-08 2023-06-06 ACMR ACM Research, Inc. Cheav Sotheara See remarks M - OptEx $4.92 +39.0K 149.0K +35% +$191.9K
D 2023-06-08 2023-06-06 ACMR ACM Research, Inc. Cheav Sotheara See remarks S - Sale+OE $10.00 -39.0K 110.0K -26% -$390.0K
2022-08-22 2022-08-18 ACMR ACM Research, Inc. Cheav Sotheara See remarks S - Sale $17.50 -10.0K 110.0K -8% -$175.0K
DM 2022-08-18 2022-08-16+ ACMR ACM Research, Inc. Cheav Sotheara See remarks S - Sale+OE $18.21 -20.0K 125.8K -14% -$364.2K
DM 2022-08-18 2022-08-16+ ACMR ACM Research, Inc. Cheav Sotheara See remarks M - OptEx $4.62 +10.0K 135.0K +8% +$46.2K

Purchase Sale Sale after option exercise All abbreviations