ACM Research, Inc.
| Security | ACMR / ACM Research, Inc. |
| Insider | Sotheara Cheav |
This page shows the track record and history of Cheav Sotheara
insider trades in ACM Research, Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company.
It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean
it is illegal for them to make any
trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis
In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Sotheara Cheav in ACMR / ACM Research, Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
| Trade Date | Reported Shares |
Reported Price |
Adjusted Shares |
Adjusted Price |
Cost Basis | Days to Max |
Price at Max |
Max Profit ($) |
Max Return (%) |
|---|---|---|---|---|---|---|---|
| There are no known unplanned open-market trades for this insider |
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Sales - Short Term Loss Analysis
In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Sotheara Cheav in ACMR / ACM Research, Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
| Trade Date | Reported Shares |
Reported Price |
Adjusted Shares |
Adjusted Price |
Cost Basis | Days to Min |
Price at Min |
Max Loss Avoided ($) |
Max Loss Avoided (%) |
|---|---|---|---|---|---|---|---|
| There are no known unplanned open-market trades for this insider |
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Transaction History
| File Date |
Trade Date |
Form | Insider | Ticker | Security Title | Code | Direct | Exercise Price |
Unit Price |
Units Changed |
Value Changed (1K) |
Remaining Options |
Remaining Shares |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-09-19 | 2025-09-18 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 35.0000 | -10,000 | -350 | 100,002 | ||||
| 2025-09-19 | 2025-09-18 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 13.8900 | 10,000 | 139 | 110,002 | ||||
| 2025-08-26 | 2025-08-22 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 30.0000 | -11,152 | -335 | 100,002 | ||||
| 2025-08-26 | 2025-08-22 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 13.8900 | 11,152 | 155 | 111,154 | ||||
| 2025-02-10 | 2025-02-06 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 23.0000 | -22,598 | -520 | 100,002 | ||||
| 2025-02-10 | 2025-02-06 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 13.8900 | 12,598 | 175 | 122,600 | ||||
| 2025-02-10 | 2025-02-06 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 13.8900 | 10,000 | 139 | 110,002 | ||||
| 2024-03-15 | 2024-03-14 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 28.3200 | -2,383 | -67 | 100,002 | ||||
| 2024-03-15 | 2024-03-14 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 27.4900 | -2,617 | -72 | 102,385 | ||||
| 2024-03-15 | 2024-03-13 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 29.0900 | -5,000 | -145 | 105,002 | ||||
| 2023-11-15 | 2023-11-13 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 16.7900 | -26,000 | -437 | 110,002 | ||||
| 2023-11-15 | 2023-11-13 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 4.6200 | 12,500 | 58 | 136,002 | ||||
| 2023-11-15 | 2023-11-13 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 5.3300 | 13,500 | 72 | 123,502 | ||||
| 2023-06-08 | 2023-06-06 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 10.0000 | -39,000 | -390 | 110,002 | ||||
| 2023-06-08 | 2023-06-06 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 5.3300 | 16,500 | 88 | 149,002 | ||||
| 2023-06-08 | 2023-06-06 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 4.6200 | 22,500 | 104 | 132,502 | ||||
| 2022-08-22 | 2022-08-18 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 17.5000 | -10,000 | -175 | 110,002 | ||||
| 2022-08-18 | 2022-08-17 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 18.2900 | -5,818 | -106 | 120,002 | ||||
| 2022-08-18 | 2022-08-17 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 17.5000 | -9,182 | -161 | 125,820 | ||||
| 2022-08-18 | 2022-08-17 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 4.6200 | 5,000 | 23 | 135,002 | ||||
| 2022-08-18 | 2022-08-16 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 19.4200 | -5,000 | -97 | 130,002 | ||||
| 2022-08-18 | 2022-08-16 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 4.6200 | 5,000 | 23 | 135,002 | ||||
| 2021-04-12 | 2021-04-09 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 86.6400 | -13,111 | -1,136 | 43,334 | ||||
| 2021-04-12 | 2021-04-08 | 4 | Cheav Sotheara | ACMR | Stock Option | D | 13.85 | -5,000 | 15,000 | |||||
| 2021-04-12 | 2021-04-08 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 88.6600 | -5,000 | -443 | 56,445 | ||||
| 2021-04-12 | 2021-04-08 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 13.8500 | 5,000 | 69 | 61,445 | ||||
| 2021-04-05 | 2021-04-05 | 4 | Cheav Sotheara | ACMR | Stock Option | D | 1.50 | -13,334 | 0 | |||||
| 2021-04-05 | 2021-04-05 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 90.0800 | -223 | -20 | 56,445 | ||||
| 2021-04-05 | 2021-04-05 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 1.5000 | 13,334 | 20 | 56,668 | ||||
| 2021-03-16 | 2021-03-16 | 4 | Cheav Sotheara | ACMR | Stock Option | D | 13.85 | -10,000 | 20,000 | |||||
| 2021-03-16 | 2021-03-16 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 93.6900 | -10,000 | -937 | 43,334 | ||||
| 2021-03-16 | 2021-03-16 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 13.8500 | 10,000 | 138 | 53,334 | ||||
| 2021-03-16 | 2021-03-15 | 4 | Cheav Sotheara | ACMR | Stock Option | D | 13.85 | -10,000 | 30,000 | |||||
| 2021-03-16 | 2021-03-15 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 91.6700 | -10,000 | -917 | 43,334 | ||||
| 2021-03-16 | 2021-03-15 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 13.8500 | 10,000 | 138 | 53,334 | ||||
| 2020-11-16 | 2020-11-13 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 88.0700 | -9,670 | -852 | 43,334 | ||||
| 2020-11-16 | 2020-11-12 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 88.6300 | -10,000 | -886 | 53,004 | ||||
| 2020-11-09 | 2020-11-05 | 4 | Cheav Sotheara | ACMR | Stock Option | D | 1.50 | -20,000 | 13,334 | |||||
| 2020-11-09 | 2020-11-05 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 91.0000 | -330 | -30 | 63,004 | ||||
| 2020-11-09 | 2020-11-05 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 1.5000 | 20,000 | 30 | 63,334 | ||||
| 2020-09-14 | 2020-09-14 | 4 | Cheav Sotheara | ACMR | Stock Option | D | 0.75 | -4,941 | 0 | |||||
| 2020-09-14 | 2020-09-14 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 66.7000 | -4,941 | -330 | 43,334 | ||||
| 2020-09-14 | 2020-09-14 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 0.7500 | 4,941 | 4 | 48,275 | ||||
| 2020-09-14 | 2020-09-10 | 4 | Cheav Sotheara | ACMR | Stock Option | D | 0.75 | -5,000 | 4,941 | |||||
| 2020-09-14 | 2020-09-10 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 60.7500 | -5,000 | -304 | 43,334 | ||||
| 2020-09-14 | 2020-09-10 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 0.7500 | 5,000 | 4 | 48,334 | ||||
| 2019-10-02 | 2019-09-30 | 4/A | Cheav Sotheara | ACMR | Stock Option | D | 0.75 | 12.4450 | -13,393 | -167 | 9,941 | |||
| 2019-08-27 | 2019-08-23 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 13.1950 | -13,393 | -177 | 29,941 | ||||
| 2019-08-06 | 2019-08-04 | 4 | Cheav Sotheara | ACMR | Stock Option | D | 16.00 | 10,000 | 10,000 | |||||
| 2019-05-10 | 2019-05-09 | 4 | Cheav Sotheara | ACMR | Stock Option | D | 0.75 | -10,000 | 23,334 | |||||
| 2019-05-10 | 2019-05-09 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 0.7500 | 10,000 | 8 | 43,334 | ||||
| 2018-10-23 | 2018-08-01 | 4 | Cheav Sotheara | ACMR | Stock Option | D | 13.85 | 40,000 | 40,000 | |||||
| 2018-07-31 | 2018-06-04 | 4 | Cheav Sotheara | ACMR | Class B Common Stock | D | -25,667 | 0 | ||||||
| 2018-07-31 | 2018-06-04 | 4 | Cheav Sotheara | ACMR | Class A Common Stock | D | 25,667 | 33,334 | ||||||
| 2017-11-02 | 3 | Cheav Sotheara | ACMR | Class A Common Stock | D | 41,001 | ||||||||
| 2017-11-02 | 3 | Cheav Sotheara | ACMR | Class B Common Stock | D | 59,001 | ||||||||
| 2017-11-02 | 3 | Cheav Sotheara | ACMR | Class A Common Stock | D | 41,001 | ||||||||
| 2017-11-02 | 3 | Cheav Sotheara | ACMR | Class B Common Stock | D | 59,001 |
P
Åbent marked eller privat køb af ikke-afledte eller afledte værdipapirer
S
Åbent marked eller privat salg af ikke-afledte eller afledte værdipapirer
A
Tildeling, tildeling eller anden erhvervelse af værdipapirer fra virksomheden (såsom en option)
C
Konvertering af derivat
D
Salg eller overførsel af værdipapirer tilbage til virksomheden
F
Betaling af udnyttelseskurs eller skatteforpligtelse ved brug af en del af værdipapirer modtaget fra selskabet
G
Gave af værdipapirer af eller til insideren
K
Aktieswaps og lignende sikringstransaktioner
M
Udnyttelse eller konvertering af afledt værdipapir modtaget fra virksomheden (såsom en option)
V
En transaktion rapporteret frivilligt på formular 4
J
Andet (ledsaget af en fodnote, der beskriver transaktionen)
