Sotheara Cheav
Insider
First SEC filing: Nov. 2, 2017 · Latest: June 5, 2026
Insider at
Insider transactions
0 buys (P)
7 sells (S)
Net: $-1,585,922
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 5, 2026 | ACMR | M | 5,399 | · | · | 37,500 Direct | -12.59% | Disposed | (price as of 2026-10-06) |
| June 5, 2026 | ACMR | S 10b5-1 | 1,647 | $85.41 | $140,670 | 100,002 Direct | -1.62% | Disposed | -9.4% (price as of 2026-10-06) |
| June 5, 2026 | ACMR | S 10b5-1 | 400 | $84.01 | $33,604 | 101,649 Direct | -0.39% | Disposed | -7.9% (price as of 2026-10-06) |
| June 5, 2026 | ACMR | S 10b5-1 | 968 | $82.61 | $79,966 | 102,049 Direct | -0.94% | Disposed | -6.4% (price as of 2026-10-06) |
| June 5, 2026 | ACMR | S 10b5-1 | 2,384 | $81.73 | $194,844 | 103,017 Direct | -2.26% | Disposed | -5.4% (price as of 2026-10-06) |
| June 5, 2026 | ACMR | M | 5,399 | $13.89 | $74,992 | 105,401 Direct | +5.40% | Acquired | 456.8% (price as of 2026-10-06) |
| June 4, 2026 | ACMR | M | 13,351 | · | · | 42,899 Direct | -23.74% | Disposed | (price as of 2026-10-06) |
| June 4, 2026 | ACMR | S 10b5-1 | 2,839 | $85.77 | $243,501 | 100,002 Direct | -2.76% | Disposed | -9.8% (price as of 2026-10-06) |
| June 4, 2026 | ACMR | S 10b5-1 | 9,212 | $85.11 | $784,033 | 102,841 Direct | -8.22% | Disposed | -9.1% (price as of 2026-10-06) |
| June 4, 2026 | ACMR | S 10b5-1 | 1,300 | $84.08 | $109,304 | 112,053 Direct | -1.15% | Disposed | -8.0% (price as of 2026-10-06) |
| June 4, 2026 | ACMR | M | 13,351 | $13.89 | $185,445 | 113,353 Direct | +13.35% | Acquired | 456.8% (price as of 2026-10-06) |
| Sept. 18, 2025 | ACMR | M | 10,000 | · | · | 56,250 Direct | -15.09% | Disposed | (price as of 2026-10-06) |
| Sept. 18, 2025 | ACMR | S 10b5-1 | 10,000 | $35.00 | $350,000 | 100,002 Direct | -9.09% | Disposed | 121.0% (price as of 2026-10-06) |
| Sept. 18, 2025 | ACMR | M | 10,000 | $13.89 | $138,900 | 110,002 Direct | +10.00% | Acquired | 456.8% (price as of 2026-10-06) |
| Aug. 22, 2025 | ACMR | M | 11,152 | · | · | 66,250 Direct | -14.41% | Disposed | (price as of 2026-10-06) |
| Aug. 22, 2025 | ACMR | S 10b5-1 | 11,152 | $30.00 | $334,560 | 100,002 Direct | -10.03% | Disposed | 157.8% (price as of 2026-10-06) |
| Aug. 22, 2025 | ACMR | M | 11,152 | $13.89 | $154,901 | 111,154 Direct | +11.15% | Acquired | 456.8% (price as of 2026-10-06) |
| Feb. 6, 2025 | ACMR | M | 12,598 | · | · | 77,402 Direct | -14.00% | Disposed | (price as of 2026-10-06) |
| Feb. 6, 2025 | ACMR | M | 10,000 | · | · | 90,000 Direct | -10.00% | Disposed | (price as of 2026-10-06) |
| Feb. 6, 2025 | ACMR | S 10b5-1 | 22,598 | $23.00 | $519,754 | 100,002 Direct | -18.43% | Disposed | 236.3% (price as of 2026-10-06) |
| Feb. 6, 2025 | ACMR | M | 12,598 | $13.89 | $174,986 | 122,600 Direct | +11.45% | Acquired | 456.8% (price as of 2026-10-06) |
| Feb. 6, 2025 | ACMR | M | 10,000 | $13.89 | $138,900 | 110,002 Direct | +10.00% | Acquired | 456.8% (price as of 2026-10-06) |
| March 14, 2024 | ACMR | S 10b5-1 | 2,383 | $28.32 | $67,487 | 100,002 Direct | -2.33% | Disposed | 173.1% (price as of 2026-10-06) |
| March 14, 2024 | ACMR | S 10b5-1 | 2,617 | $27.49 | $71,941 | 102,385 Direct | -2.49% | Disposed | 181.3% (price as of 2026-10-06) |
| March 13, 2024 | ACMR | S 10b5-1 | 5,000 | $29.09 | $145,450 | 105,002 Direct | -4.55% | Disposed | 165.9% (price as of 2026-10-06) |
| Nov. 13, 2023 | ACMR | M | 12,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Nov. 13, 2023 | ACMR | M | 13,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Nov. 13, 2023 | ACMR | S 10b5-1 | 26,000 | $16.79 | $436,540 | 110,002 Direct | -19.12% | Disposed | 360.6% (price as of 2026-10-06) |
| Nov. 13, 2023 | ACMR | M | 12,500 | $4.62 | $57,750 | 136,002 Direct | +10.12% | Acquired | 1574.0% (price as of 2026-10-06) |
| Nov. 13, 2023 | ACMR | M | 13,500 | $5.33 | $71,955 | 123,502 Direct | +12.27% | Acquired | 1351.0% (price as of 2026-10-06) |
| Aug. 10, 2023 | ACMR | A | 100,000 | · | · | 100,000 Direct | -50.00% | Disposed | (price as of 2026-10-06) |
| Aug. 10, 2023 | ACMR | A | 100,000 | · | · | 100,000 Direct | -50.00% | Disposed | (price as of 2026-10-06) |
| June 6, 2023 | ACMR | M | 16,500 | · | · | 13,500 Direct | -55.00% | Disposed | (price as of 2026-10-06) |
| June 6, 2023 | ACMR | S 10b5-1 | 39,000 | $10.00 | $390,000 | 110,002 Direct | -26.17% | Disposed | 673.4% (price as of 2026-10-06) |
| June 6, 2023 | ACMR | M | 16,500 | $5.33 | $87,945 | 149,002 Direct | +12.45% | Acquired | 1351.0% (price as of 2026-10-06) |
| June 6, 2023 | ACMR | M | 22,500 | $4.62 | $103,950 | 132,502 Direct | +20.45% | Acquired | 1574.0% (price as of 2026-10-06) |
| Aug. 18, 2022 | ACMR | S 10b5-1 | 10,000 | $17.50 | $175,000 | 110,002 Direct | -8.33% | Disposed | 341.9% (price as of 2026-10-06) |
| Aug. 17, 2022 | ACMR | M | 5,000 | · | · | 35,000 Direct | -12.50% | Disposed | (price as of 2026-10-06) |
| Aug. 17, 2022 | ACMR | S 10b5-1 | 5,818 | $18.29 | $106,411 | 120,002 Direct | -4.62% | Disposed | 322.9% (price as of 2026-10-06) |
| Aug. 17, 2022 | ACMR | S 10b5-1 | 9,182 | $17.50 | $160,685 | 125,820 Direct | -6.80% | Disposed | 341.9% (price as of 2026-10-06) |
| Aug. 17, 2022 | ACMR | M | 5,000 | $4.62 | $23,100 | 135,002 Direct | +3.85% | Acquired | 1574.0% (price as of 2026-10-06) |
| Aug. 16, 2022 | ACMR | M | 5,000 | · | · | 40,000 Direct | -11.11% | Disposed | (price as of 2026-10-06) |
| Aug. 16, 2022 | ACMR | S 10b5-1 | 5,000 | $19.42 | $97,100 | 130,002 Direct | -3.70% | Disposed | 298.2% (price as of 2026-10-06) |
| Aug. 16, 2022 | ACMR | M | 5,000 | $4.62 | $23,100 | 135,002 Direct | +3.85% | Acquired | 1574.0% (price as of 2026-10-06) |
| June 6, 2022 | ACMR | M | 22,500 | · | · | 12,500 Direct | -64.29% | Disposed | (price as of 2026-10-06) |
| April 9, 2021 | ACMR | S 10b5-1 | 13,111 | $86.64 | $1,135,937 | 43,334 Direct | -23.23% | Disposed | 167.8% (price as of 2026-10-06) |
| April 8, 2021 | ACMR | M | 5,000 | · | · | 15,000 Direct | -25.00% | Disposed | (price as of 2026-10-06) |
| April 8, 2021 | ACMR | S 10b5-1 | 5,000 | $88.66 | $443,300 | 56,445 Direct | -8.14% | Disposed | 161.7% (price as of 2026-10-06) |
| April 8, 2021 | ACMR | M | 5,000 | $13.85 | $69,250 | 61,445 Direct | +8.86% | Acquired | 1575.2% (price as of 2026-10-06) |
| April 5, 2021 | ACMR | M | 13,334 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| April 5, 2021 | ACMR | F | 223 | $90.08 | $20,088 | 56,445 Direct | -0.39% | Disposed | 157.6% (price as of 2026-10-06) |
| April 5, 2021 | ACMR | M | 13,334 | $1.50 | $20,001 | 56,668 Direct | +30.77% | Acquired | 15368.0% (price as of 2026-10-06) |
| March 16, 2021 | ACMR | M | 10,000 | · | · | 20,000 Direct | -33.33% | Disposed | (price as of 2026-10-06) |
| March 16, 2021 | ACMR | S 10b5-1 | 10,000 | $93.69 | $936,900 | 43,334 Direct | -18.75% | Disposed | 147.6% (price as of 2026-10-06) |
| March 16, 2021 | ACMR | M | 10,000 | $13.85 | $138,500 | 53,334 Direct | +23.08% | Acquired | 1575.2% (price as of 2026-10-06) |
| March 15, 2021 | ACMR | M | 10,000 | · | · | 30,000 Direct | -25.00% | Disposed | (price as of 2026-10-06) |
| March 15, 2021 | ACMR | S 10b5-1 | 10,000 | $91.67 | $916,700 | 43,334 Direct | -18.75% | Disposed | 153.1% (price as of 2026-10-06) |
| March 15, 2021 | ACMR | M | 10,000 | $13.85 | $138,500 | 53,334 Direct | +23.08% | Acquired | 1575.2% (price as of 2026-10-06) |
| Nov. 13, 2020 | ACMR | S 10b5-1 | 9,670 | $88.07 | $851,637 | 43,334 Direct | -18.24% | Disposed | 163.4% (price as of 2026-10-06) |
| Nov. 12, 2020 | ACMR | S 10b5-1 | 10,000 | $88.63 | $886,300 | 53,004 Direct | -15.87% | Disposed | 161.8% (price as of 2026-10-06) |
| Nov. 5, 2020 | ACMR | M | 20,000 | · | · | 13,334 Direct | -60.00% | Disposed | (price as of 2026-10-06) |
| Nov. 5, 2020 | ACMR | F | 330 | $91.00 | $30,030 | 63,004 Direct | -0.52% | Disposed | 155.0% (price as of 2026-10-06) |
| Nov. 5, 2020 | ACMR | M | 20,000 | $1.50 | $30,000 | 63,334 Direct | +46.15% | Acquired | 15368.0% (price as of 2026-10-06) |
| Sept. 14, 2020 | ACMR | M | 4,941 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Sept. 14, 2020 | ACMR | S 10b5-1 | 4,941 | $66.70 | $329,565 | 43,334 Direct | -10.24% | Disposed | 247.9% (price as of 2026-10-06) |
| Sept. 14, 2020 | ACMR | M | 4,941 | $0.75 | $3,706 | 48,275 Direct | +11.40% | Acquired | 30836.0% (price as of 2026-10-06) |
| Sept. 10, 2020 | ACMR | M | 5,000 | · | · | 4,941 Direct | -50.30% | Disposed | (price as of 2026-10-06) |
| Sept. 10, 2020 | ACMR | S 10b5-1 | 5,000 | $60.75 | $303,750 | 43,334 Direct | -10.34% | Disposed | 281.9% (price as of 2026-10-06) |
| Sept. 10, 2020 | ACMR | M | 5,000 | $0.75 | $3,750 | 48,334 Direct | +11.54% | Acquired | 30836.0% (price as of 2026-10-06) |
| Sept. 30, 2019 | ACMR | D | 13,393 | $12.44 | $166,609 | 9,941 Direct | -57.40% | Disposed | 1765.1% (price as of 2026-10-06) |
| Aug. 23, 2019 | ACMR | D | 13,393 | $13.20 | $176,788 | 29,941 Direct | -30.91% | Disposed | 1657.7% (price as of 2026-10-06) |
| Aug. 4, 2019 | ACMR | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-06) |
| May 9, 2019 | ACMR | M | 10,000 | $0.75 | $7,500 | 43,334 Direct | +30.00% | Acquired | 30836.0% (price as of 2026-10-06) |
| May 9, 2019 | ACMR | M | 10,000 | · | · | 23,334 Direct | -30.00% | Disposed | (price as of 2026-10-06) |
| Aug. 1, 2018 | ACMR | A | 40,000 | · | · | 40,000 Direct | · | Acquired | (price as of 2026-10-06) |
| June 4, 2018 | ACMR | C | 25,667 | · | · | 33,334 Direct | +334.77% | Acquired | (price as of 2026-10-06) |
| June 4, 2018 | ACMR | C | 25,667 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 5, 2026 | ACMR | Stock Option | Class A Common Stock | $13.89 | Aug. 9, 2033 | 5,399 | Disposed |
| June 4, 2026 | ACMR | Stock Option | Class A Common Stock | $13.89 | Aug. 9, 2033 | 13,351 | Disposed |
| Sept. 18, 2025 | ACMR | Stock Option | Class A Common Stock | $13.89 | Aug. 9, 2033 | 10,000 | Disposed |
| Aug. 22, 2025 | ACMR | Stock Option | Class A Common Stock | $13.89 | Aug. 9, 2033 | 11,152 | Disposed |
| Feb. 6, 2025 | ACMR | Stock Option | Class A Common Stock | $13.89 | Aug. 9, 2033 | 12,598 | Disposed |
| Feb. 6, 2025 | ACMR | Stock Option | Class A Common Stock | $13.89 | Aug. 9, 2033 | 10,000 | Disposed |
| Nov. 13, 2023 | ACMR | Stock Option | Class A Common Stock | $4.62 | July 31, 2028 | 12,500 | Disposed |
| Nov. 13, 2023 | ACMR | Stock Option | Class A Common Stock | $5.33 | Aug. 3, 2029 | 13,500 | Disposed |
| Aug. 10, 2023 | ACMR | Stock Option | Class A Common Stock | · | Aug. 9, 2033 | 100,000 | Disposed |
| Aug. 10, 2023 | ACMR | Stock Option | Class A Common Stock | $13.24 | Aug. 9, 2033 | 100,000 | Disposed |
| June 6, 2023 | ACMR | Stock Option | Class A Common Stock | $5.33 | Aug. 3, 2029 | 16,500 | Disposed |
| Aug. 17, 2022 | ACMR | Stock Option | Class A Common Stock | $4.62 | July 31, 2028 | 5,000 | Disposed |
| Aug. 16, 2022 | ACMR | Stock Option | Class A Common Stock | $4.62 | July 31, 2028 | 5,000 | Disposed |
| June 6, 2022 | ACMR | Stock Option | Class A Common Stock | $4.62 | July 31, 2028 | 22,500 | Disposed |
| April 8, 2021 | ACMR | Stock Option | Class A Common Stock | $13.85 | July 31, 2028 | 5,000 | Disposed |
| April 5, 2021 | ACMR | Stock Option | Class A Common Stock | $1.50 | May 1, 2025 | 13,334 | Disposed |
| March 16, 2021 | ACMR | Stock Option | Class A Common Stock | $13.85 | July 31, 2028 | 10,000 | Disposed |
| March 15, 2021 | ACMR | Stock Option | Class A Common Stock | $13.85 | July 31, 2028 | 10,000 | Disposed |
| Nov. 5, 2020 | ACMR | Stock Option | Class A Common Stock | $1.50 | May 1, 2025 | 20,000 | Disposed |
| Sept. 14, 2020 | ACMR | Stock Option | Class A Common Stock | $0.75 | May 1, 2021 | 4,941 | Disposed |
| Sept. 10, 2020 | ACMR | Stock Option | Class A Common Stock | $0.75 | May 1, 2021 | 5,000 | Disposed |
| Sept. 30, 2019 | ACMR | Stock Option | Class A Common Stock | $0.75 | May 1, 2021 | 13,393 | Disposed |
| Aug. 4, 2019 | ACMR | Stock Option | Class A Common Stock | $16.00 | Aug. 3, 2029 | 10,000 | Acquired |
| May 9, 2019 | ACMR | Stock Option | Class A Common Stock | $0.75 | May 1, 2021 | 10,000 | Disposed |
| Aug. 1, 2018 | ACMR | Stock Option | Class A Common Stock | $13.85 | July 31, 2028 | 40,000 | Acquired |
| June 4, 2018 | ACMR | Class B Common Stock | Class A Common Stock | · | · | 25,667 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2018 | $139,824 | $16,296 | · | $257,032 | · | · | $13,895 | $427,047 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.