Sotheara Cheav insider trades: ACM Research (ACMR) stock sales
Trades on the price chart
Daily close, with an arrow on each day they bought or sold
Companies
Where Sotheara reports to the SEC
Open-market buys and sales
13 trades reported on SEC Form 4, newest first
| Date | Stock | Type | Shares | Price | Value | Holding | Reported |
|---|---|---|---|---|---|---|---|
| Jun 5, 2026 | ACMR | ↓ Sell | 18,750 | $84.58 | $1.6M | Direct | Jun 5, 2026 (0d) |
| Sep 18, 2025 | ACMR | ↓ Sell | 10,000 | $35.00 | $350K | Direct | Sep 19, 2025 (1d) |
| Aug 22, 2025 | ACMR | ↓ Sell | 11,152 | $30.00 | $335K | Direct | Aug 26, 2025 (4d) |
| Feb 6, 2025 | ACMR | ↓ Sell | 22,598 | $23.00 | $520K | Direct | Feb 10, 2025 (4d) |
| Mar 14, 2024 | ACMR | ↓ Sell | 10,000 | $28.49 | $285K | Direct | Mar 15, 2024 (1d) |
| Nov 13, 2023 | ACMR | ↓ Sell | 26,000 | $16.79 | $437K | Direct | Nov 15, 2023 (2d) |
| Jun 6, 2023 | ACMR | ↓ Sell | 39,000 | $10.00 | $390K | Direct | Jun 8, 2023 (2d) |
| Aug 18, 2022 | ACMR | ↓ Sell | 10,000 | $17.50 | $175K | Direct | Aug 22, 2022 (4d) |
| Aug 17, 2022 | ACMR | ↓ Sell | 20,000 | $18.21 | $364K | Direct | Aug 18, 2022 (1d) |
| Apr 9, 2021 | ACMR | ↓ Sell | 18,111 | $87.20 | $1.6M | Direct | Apr 12, 2021 (3d) |
| Mar 16, 2021 | ACMR | ↓ Sell | 20,000 | $92.68 | $1.9M | Direct | Mar 16, 2021 (0d) |
| Nov 13, 2020 | ACMR | ↓ Sell | 19,670 | $88.35 | $1.7M | Direct | Nov 16, 2020 (3d) |
| Sep 14, 2020 | ACMR | ↓ Sell | 9,941 | $63.71 | $633K | Direct | Sep 14, 2020 (0d) |
Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.
Other ACMR insiders
Open-market trades in the last 12 months
About Sotheara Cheav's insider trades
Sotheara Cheav is See remarks at ACM Research (ACMR). Since Sep 14, 2020, Sotheara has reported no open-market purchases and 13 sales worth $10.2M on SEC Form 4. In the last 12 months: 1 sale ($1.6M).
Their filings also include option exercises (13 filings), grants and awards (3 filings), shares withheld for taxes (2 filings), shares returned to the company (1 filing). These aren't open-market trades and aren't counted above.
How to read insider trades
Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every ACMR insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.