ACM Research, Inc. (ACMR)
After hours:
Insider transactions
Currency in USD| Insider purchases - Last 6 months | Shares | Trans |
|---|---|---|
| Purchases | 518,500 | 11 |
| Sales | 518,783 | 16 |
| Net shares purchased (sold) | -283 | 27 |
| Total insider shares held | 13.32M | N/A |
| % net shares purchased (sold) | -0.00% | N/A |
| Net institutional purchases - Prior quarter to latest quarter | Shares |
|---|---|
| Net shares purchased (sold) | N/A |
| % change in institutional shares held | N/A |
Insider transactions reported - last two years
| Insider | Transaction | Type | Value | Date | Shares |
|---|---|---|---|---|---|
WANG DAVID HUI | Sale at price 27.51 - 28.38 per share. | Direct | 2,405,050 | 14 Mar 2024 | 87,089 |
DUN HAIPING | Sale at price 27.56 - 28.34 per share. | Direct | 538,376 | 14 Mar 2024 | 19,434 |
CHEAV SOTHEARA | Sale at price 27.49 - 29.09 per share. | Direct | 284,878 | 14 Mar 2024 | 10,000 |
WANG DAVID HUI | Sale at price 30.35 - 30.36 per share. | Direct | 2,731,950 | 08 Mar 2024 | 90,000 |
DUN HAIPING | Sale at price 30.36 per share. | Direct | 455,400 | 08 Mar 2024 | 15,000 |
WANG DAVID HUI | Conversion of Exercise of derivative security at price 0.50 per share. | Direct | 90,000 | 01 Mar 2024 | 180,000 |
DUN HAIPING | Conversion of Exercise of derivative security at price 0.50 per share. | Direct | 17,500 | 01 Mar 2024 | 35,000 |
LIU TRACY | Sale at price 25.20 per share. | Direct | 315,000 | 28 Feb 2024 | 12,500 |
LIU TRACY | Conversion of Exercise of derivative security at price 5.60 per share. | Direct | 70,000 | 28 Feb 2024 | 12,500 |
FENG LISA YI LU | Sale at price 25.20 per share. | Direct | 189,000 | 28 Feb 2024 | 7,500 |
FENG LISA YI LU | Conversion of Exercise of derivative security at price 5.60 per share. | Direct | 42,000 | 28 Feb 2024 | 7,500 |
MCKECHNIE MARK | Sale at price 22.00 per share. | Direct | 220,000 | 12 Jan 2024 | 10,000 |
MCKECHNIE MARK | Conversion of Exercise of derivative security at price 4.55 per share. | Direct | 45,500 | 12 Jan 2024 | 10,000 |
LIU TRACY | Sale at price 20.00 per share. | Direct | 200,000 | 26 Dec 2023 | 10,000 |
LIU TRACY | Conversion of Exercise of derivative security at price 5.60 per share. | Direct | 56,000 | 26 Dec 2023 | 10,000 |
FENG LISA YI LU | Sale at price 20.00 per share. | Direct | 150,000 | 26 Dec 2023 | 7,500 |
FENG LISA YI LU | Conversion of Exercise of derivative security at price 5.60 per share. | Direct | 42,000 | 26 Dec 2023 | 7,500 |
WANG DAVID HUI | Sale at price 17.13 - 17.14 per share. | Direct | 1,452,663 | 29 Nov 2023 | 84,776 |
DUN HAIPING | Sale at price 17.25 per share. | Direct | 327,474 | 29 Nov 2023 | 18,984 |
WANG DAVID HUI | Sale at price 17.67 - 17.68 per share. | Direct | 1,590,750 | 22 Nov 2023 | 90,000 |
DUN HAIPING | Sale at price 17.66 per share. | Direct | 264,900 | 22 Nov 2023 | 15,000 |
LIU TRACY | Sale at price 17.91 per share. | Direct | 268,650 | 20 Nov 2023 | 15,000 |
LIU TRACY | Conversion of Exercise of derivative security at price 7.36 per share. | Direct | 110,400 | 20 Nov 2023 | 15,000 |
WANG DAVID HUI | Conversion of Exercise of derivative security at price 0.50 per share. | Direct | 90,000 | 14 Nov 2023 | 180,000 |
DUN HAIPING | Conversion of Exercise of derivative security at price 0.50 per share. | Direct | 17,500 | 14 Nov 2023 | 35,000 |
CHEAV SOTHEARA | Sale at price 16.79 per share. | Direct | 436,540 | 13 Nov 2023 | 26,000 |
CHEAV SOTHEARA | Conversion of Exercise of derivative security at price 4.62 - 5.33 per share. | Direct | 129,705 | 13 Nov 2023 | 26,000 |
MCKECHNIE MARK | Sale at price 20.00 per share. | Direct | 225,000 | 11 Oct 2023 | 11,250 |
MCKECHNIE MARK | Conversion of Exercise of derivative security at price 4.55 per share. | Direct | 51,188 | 11 Oct 2023 | 11,250 |
WANG DAVID HUI | Sale at price 17.68 - 18.72 per share. | Direct | 3,130,016 | 13 Sept 2023 | 175,116 |
WANG DAVID HUI | Conversion of Exercise of derivative security at price 0.50 per share. | Direct | 90,000 | 04 Sept 2023 | 180,000 |
MCKECHNIE MARK | Sale at price 18.00 per share. | Direct | 540,000 | 01 Sept 2023 | 30,000 |
MCKECHNIE MARK | Conversion of Exercise of derivative security at price 4.55 per share. | Direct | 136,500 | 01 Sept 2023 | 30,000 |
CHEN FUPING | Sale at price 15.00 per share. | Direct | 1,575,000 | 23 Aug 2023 | 105,000 |
CHEN FUPING | Conversion of Exercise of derivative security at price 1.00 - 1.77 per share. | Direct | 111,803 | 23 Aug 2023 | 105,000 |
DUN HAIPING | Sale at price 13.85 per share. | Direct | 444,557 | 22 Aug 2023 | 32,098 |
FENG LISA YI LU | Sale at price 15.00 per share. | Direct | 337,500 | 03 July 2023 | 22,500 |
FENG LISA YI LU | Conversion of Exercise of derivative security at price 1.77 per share. | Direct | 39,825 | 03 July 2023 | 22,500 |
CHEAV SOTHEARA | Sale at price 10.00 per share. | Direct | 390,000 | 06 June 2023 | 39,000 |
CHEAV SOTHEARA | Conversion of Exercise of derivative security at price 4.62 - 5.33 per share. | Direct | 191,895 | 06 June 2023 | 39,000 |
DUN HAIPING | Sale at price 10.00 per share. | Direct | 375,000 | 01 June 2023 | 37,500 |
DUN HAIPING | Conversion of Exercise of derivative security at price 0.50 per share. | Direct | 18,750 | 22 May 2023 | 37,500 |
DUN HAIPING | Sale at price 12.06 per share. | Direct | 452,250 | 16 Mar 2023 | 37,500 |
DUN HAIPING | Conversion of Exercise of derivative security at price 0.50 per share. | Direct | 18,750 | 09 Mar 2023 | 37,500 |
FENG LISA YI LU | Sale at price 12.21 - 12.55 per share. | Direct | 278,351 | 09 Mar 2023 | 22,500 |
FENG LISA YI LU | Conversion of Exercise of derivative security at price 1.77 per share. | Direct | 39,825 | 09 Mar 2023 | 22,500 |
DUN HAIPING | Sale at price 8.43 per share. | Direct | 297,807 | 30 Nov 2022 | 35,327 |
DUN HAIPING | Conversion of Exercise of derivative security at price 0.50 per share. | Direct | 18,750 | 22 Nov 2022 | 37,500 |
DUN HAIPING | Conversion of Exercise of derivative security at price 0.50 per share. | Direct | 18,750 | 14 Nov 2022 | 37,500 |
DUN HAIPING | Sale at price 16.10 per share. | Direct | 588,246 | 22 Aug 2022 | 36,537 |
CHEAV SOTHEARA | Sale at price 17.50 per share. | Direct | 175,000 | 18 Aug 2022 | 10,000 |
CHEAV SOTHEARA | Sale at price 17.50 - 19.42 per share. | Direct | 364,196 | 17 Aug 2022 | 20,000 |
CHEAV SOTHEARA | Conversion of Exercise of derivative security at price 4.62 per share. | Direct | 46,200 | 17 Aug 2022 | 10,000 |
DUN HAIPING | Sale at price 19.28 per share. | Direct | 704,086 | 15 Aug 2022 | 36,519 |
DUN HAIPING | Conversion of Exercise of derivative security at price 0.50 per share. | Direct | 18,750 | 15 Aug 2022 | 37,500 |
DUN HAIPING | Conversion of Exercise of derivative security at price 0.50 per share. | Direct | 18,750 | 08 Aug 2022 | 37,500 |
DUN HAIPING | Sale at price 15.00 per share. | Direct | 542,250 | 27 May 2022 | 36,150 |
DUN HAIPING | Conversion of Exercise of derivative security at price 1.50 per share. | Direct | 56,250 | 18 May 2022 | 37,500 |
MCKECHNIE MARK | Sale at price 60.56 - 69.07 per share. | Direct | 320,976 | 10 Mar 2022 | 5,000 |
MCKECHNIE MARK | Conversion of Exercise of derivative security at price 13.85 per share. | Direct | 73,405 | 10 Mar 2022 | 5,300 |
DUN HAIPING | Sale at price 80.48 - 82.66 per share. | Direct | 1,007,102 | 09 Mar 2022 | 12,269 |
DUN HAIPING | Conversion of Exercise of derivative security at price 1.50 per share. | Direct | 18,404 | 09 Mar 2022 | 12,269 |
DUN HAIPING | Conversion of Exercise of derivative security at price 1.50 per share. | Direct | 18,750 | 02 Mar 2022 | 12,500 |
MCKECHNIE MARK | Sale at price 92.03 - 100.60 per share. | Direct | 470,266 | 18 Nov 2021 | 5,000 |
MCKECHNIE MARK | Conversion of Exercise of derivative security at price 13.85 per share. | Direct | 69,250 | 18 Nov 2021 | 5,000 |
FENG LISA YI LU | Conversion of Exercise of derivative security at price 5.60 per share. | Direct | 13,647 | 03 Nov 2021 | 2,437 |
XIANG YINAN | Sale at price 85.03 - 88.97 per share. | Indirect | 24,484,454 | 24 Aug 2021 | 279,765 |
MCKECHNIE MARK | Sale at price 81.91 - 83.89 per share. | Direct | 410,383 | 19 Aug 2021 | 5,000 |
MCKECHNIE MARK | Conversion of Exercise of derivative security at price 13.85 per share. | Direct | 69,250 | 19 Aug 2021 | 5,000 |
XIANG YINAN | Sale at price 85.06 - 86.28 per share. | Indirect | 2,265,303 | 18 Aug 2021 | 26,612 |
XIANG YINAN | Sale at price 85.10 - 90.05 per share. | Indirect | 4,598,010 | 13 Aug 2021 | 53,623 |
HU CHENMING C | Conversion of Exercise of derivative security at price 3.00 per share. | Direct | 70,002 | 04 May 2021 | 23,334 |
CHEAV SOTHEARA | Sale at price 86.64 - 88.66 per share. | Direct | 1,579,237 | 09 Apr 2021 | 18,111 |
CHEAV SOTHEARA | Conversion of Exercise of derivative security at price 13.85 per share. | Direct | 69,250 | 08 Apr 2021 | 5,000 |
CHEAV SOTHEARA | Conversion of Exercise of derivative security at price 1.50 per share. | Direct | 20,001 | 05 Apr 2021 | 13,334 |
HU CHENMING C | Conversion of Exercise of derivative security at price 3.00 per share. | Direct | 30,000 | 30 Mar 2021 | 10,000 |
WANG DAVID HUI | Sale at price 90.55 - 91.92 per share. | Direct | 9,053,595 | 19 Mar 2021 | 99,228 |
CHEAV SOTHEARA | Sale at price 91.67 - 93.69 per share. | Direct | 1,853,600 | 16 Mar 2021 | 20,000 |
CHEAV SOTHEARA | Conversion of Exercise of derivative security at price 13.85 per share. | Direct | 277,000 | 16 Mar 2021 | 20,000 |
WANG DAVID HUI | Conversion of Exercise of derivative security at price 0.75 per share. | Direct | 75,001 | 12 Mar 2021 | 100,001 |
MCKECHNIE MARK | Sale at price 87.89 per share. | Direct | 881,361 | 12 Mar 2021 | 10,028 |
MCKECHNIE MARK | Conversion of Exercise of derivative security at price 13.85 per share. | Direct | 138,888 | 12 Mar 2021 | 10,028 |
HU CHENMING C | Conversion of Exercise of derivative security at price 7.50 per share. | Direct | 175,005 | 08 Mar 2021 | 23,334 |
HU CHENMING C | Conversion of Exercise of derivative security at price 7.50 per share. | Direct | 75,000 | 02 Mar 2021 | 10,000 |
HU CHENMING C | Conversion of Exercise of derivative security at price 7.50 per share. | Direct | 75,000 | 02 Mar 2021 | 10,000 |
FENG LISA YI LU | Conversion of Exercise of derivative security at price 5.60 per share. | Direct | 19,432 | 26 Feb 2021 | 3,470 |
HU CHENMING C | Sale at price 120.00 per share. | Direct | 1,200,000 | 12 Feb 2021 | 10,000 |
LIU TRACY | Sale at price 120.00 per share. | Direct | 240,000 | 12 Feb 2021 | 2,000 |
CHEN FUPING | Sale at price 120.00 per share. | Direct | 3,600,000 | 12 Feb 2021 | 30,000 |
CHEN FUPING | Conversion of Exercise of derivative security at price 3.00 per share. | Direct | 90,000 | 12 Feb 2021 | 30,000 |
LIU TRACY | Sale at price 110.00 per share. | Direct | 220,000 | 10 Feb 2021 | 2,000 |
LIU TRACY | Sale at price 100.00 per share. | Direct | 200,000 | 06 Jan 2021 | 2,000 |
WANG JIAN | Sale at price 78.00 per share. | Direct | 2,533,908 | 30 Dec 2020 | 32,486 |
XIANG YINAN | Sale at price 75.00 - 76.10 per share. | Indirect | 9,476,131 | 22 Dec 2020 | 125,965 |
XIANG YINAN | Sale at price 75.02 - 76.03 per share. | Indirect | 2,569,929 | 17 Dec 2020 | 34,035 |
WANG DAVID HUI | Sale at price 77.14 - 82.50 per share. | Direct | 7,901,732 | 04 Dec 2020 | 98,983 |
WANG DAVID HUI | Conversion of Exercise of derivative security at price 0.75 per share. | Direct | 75,000 | 25 Nov 2020 | 100,000 |
MCKECHNIE MARK | Sale at price 74.45 per share. | Direct | 558,375 | 19 Nov 2020 | 7,500 |
MCKECHNIE MARK | Conversion of Exercise of derivative security at price 16.81 per share. | Direct | 126,075 | 19 Nov 2020 | 7,500 |
CHEAV SOTHEARA | Sale at price 88.07 - 88.63 per share. | Direct | 1,737,937 | 13 Nov 2020 | 19,670 |
CHEAV SOTHEARA | Conversion of Exercise of derivative security at price 1.50 per share. | Direct | 30,000 | 05 Nov 2020 | 20,000 |
FENG LISA YI LU | Sale at price 72.30 per share. | Direct | 1,084,500 | 16 Sept 2020 | 15,000 |
FENG LISA YI LU | Conversion of Exercise of derivative security at price 5.31 per share. | Direct | 79,650 | 16 Sept 2020 | 15,000 |
CHEAV SOTHEARA | Sale at price 60.75 - 66.70 per share. | Direct | 633,315 | 14 Sept 2020 | 9,941 |
CHEAV SOTHEARA | Conversion of Exercise of derivative security at price 0.75 per share. | Direct | 7,456 | 14 Sept 2020 | 9,941 |
LIU TRACY | Conversion of Exercise of derivative security at price 16.81 per share. | Direct | 100,860 | 10 Sept 2020 | 6,000 |
WANG JIAN | Conversion of Exercise of derivative security at price 1.50 per share. | Direct | 50,001 | 09 Sept 2020 | 33,334 |
HU CHENMING C | Conversion of Exercise of derivative security at price 3.00 per share. | Direct | 93,306 | 08 Sept 2020 | 31,102 |
WANG DAVID HUI | Sale at price 80.08 - 84.53 per share. | Direct | 5,650,796 | 04 Sept 2020 | 69,453 |
WANG DAVID HUI | Conversion of Exercise of derivative security at price 0.75 per share. | Direct | 52,500 | 27 Aug 2020 | 70,000 |
MCKECHNIE MARK | Sale at price 93.18 per share. | Direct | 427,230 | 27 Aug 2020 | 4,585 |
MCKECHNIE MARK | Conversion of Exercise of derivative security at price 13.85 per share. | Direct | 63,502 | 27 Aug 2020 | 4,585 |
HU CHENMING C | Sale at price 100.00 per share. | Direct | 780,600 | 03 Aug 2020 | 7,806 |
HU CHENMING C | Sale at price 84.15 per share. | Direct | 1,178,100 | 13 July 2020 | 14,000 |
MCKECHNIE MARK | Sale at price 54.34 per share. | Direct | 294,251 | 15 June 2020 | 5,415 |
MCKECHNIE MARK | Conversion of Exercise of derivative security at price 13.85 per share. | Direct | 74,998 | 15 June 2020 | 5,415 |
HU CHENMING C | Sale at price 65.12 per share. | Direct | 533,593 | 03 June 2020 | 8,194 |
WANG DAVID HUI | Indirect | 21 May 2020 | 33,334 | ||
LIU TRACY | Conversion of Exercise of derivative security at price 3.00 per share. | Direct | 60,000 | 18 Mar 2020 | 20,000 |
FENG LISA YI LU | Conversion of Exercise of derivative security at price 5.60 per share. | Direct | 21,375 | 18 Mar 2020 | 3,817 |
WANG DAVID HUI | Conversion of Exercise of derivative security at price 0.75 per share. | Direct | 22,500 | 20 Aug 2019 | 30,000 |
CHEAV SOTHEARA | Conversion of Exercise of derivative security at price 0.75 per share. | Direct | 7,500 | 09 May 2019 | 10,000 |
HU CHENMING C | Conversion of Exercise of derivative security at price 3.00 per share. | Direct | 90,000 | 30 Aug 2018 | 30,000 |
WANG DAVID HUI | Conversion of Exercise of derivative security at price 3.00 per share. | Indirect | 45,837 | 29 June 2018 | 15,279 |
LIU TRACY | Conversion of Exercise of derivative security at price 3.00 per share. | Direct | 50,001 | 28 June 2018 | 16,667 |
CHEAV SOTHEARA | Direct | 04 June 2018 | 25,667 | ||
WANG JIAN | Conversion of Exercise of derivative security at price 7.50 per share. | Indirect | 2,981,265 | 02 Apr 2018 | 397,502 |
CHEN FUFA PH.D. | Conversion of Exercise of derivative security at price 0.75 - 1.50 per share. | Direct | 59,373 | 31 Jan 2018 | 56,249 |
