Insider Trading & Ownership - ACM Research Inc. (ACMR)

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for ACM Research Inc.
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Common stock purchase or sale:
Transaction
Date		 Reported
DateTime		 Company Symbol Insider
Relationship		 Shares
Traded		 Average
Price		 Total
Amount		 Shares
Owned		 Filing
2023-07-03
Sale		 2023-07-05
6:52 pm		 ACM Research Inc. ACMR Feng Lisa
See remarks		 22,500 $15 $337,500 50,001
(Direct)		 View
2023-06-06
Sale		 2023-06-08
9:49 pm		 ACM Research Inc. ACMR Cheav Sotheara
See remarks		 39,000 $10 $390,000 136,002
(Direct)		 View
2023-06-01
Sale		 2023-06-05
6:26 pm		 ACM Research Inc. ACMR Dun Haiping
Director		 37,500 $10 $375,000 887,188
(Direct)		 View
2023-03-16
Sale		 2023-03-20
8:55 pm		 ACM Research Inc. ACMR Dun Haiping
Director		 37,500 $12.06 $452,250 889,116
(Direct)		 View
2023-03-09
Sale		 2023-03-13
9:00 pm		 ACM Research Inc. ACMR Feng Lisa
See remarks		 22,500 $12.37 $278,351 50,001
(Direct)		 View
2022-11-30
Sale		 2022-12-02
5:31 pm		 ACM Research Inc. ACMR Dun Haiping
Director		 35,327 $8.43 $297,807 890,620
(Direct)		 View
2022-08-22
Sale		 2022-08-24
9:01 pm		 ACM Research Inc. ACMR Dun Haiping
Director		 36,537 $16.1 $588,246 855,090
(Direct)		 View
2022-08-18
Sale		 2022-08-22
8:00 pm		 ACM Research Inc. ACMR Cheav Sotheara
See remarks		 10,000 $17.5 $175,000 110,002
(Direct)		 View
2022-08-16
Sale		 2022-08-18
9:30 pm		 ACM Research Inc. ACMR Cheav Sotheara
See remarks		 20,000 $18.21 $364,196 195,002
(Direct)		 View
2022-08-15
Sale		 2022-08-17
6:00 pm		 ACM Research Inc. ACMR Dun Haiping
Director		 36,519 $19.28 $704,086 1,241,628
(Direct)		 View
2022-05-27
Sale		 2022-05-31
9:03 pm		 ACM Research Inc. ACMR Dun Haiping
Director		 36,150 $15 $542,250 855,090
(Direct)		 View
2022-03-09
Sale		 2022-03-11
5:08 pm		 ACM Research Inc. ACMR Dun Haiping
Director		 12,269 $82.09 $1,007,102 297,530
(Direct)		 View
2022-03-10
Sale		 2022-03-11
5:06 pm		 ACM Research Inc. ACMR McKechnie Mark
See Remarks		 5,000 $64.2 $320,976 14,644
(Direct)		 View
2021-11-18
Sale		 2021-11-22
5:00 pm		 ACM Research Inc. ACMR McKechnie Mark
See Remarks		 5,000 $94.05 $470,266 9,972
(Direct)		 View
2021-08-23
Sale		 2021-08-24
9:00 pm		 ACM Research Inc. ACMR Xiang Yinan
Director		 279,765 $87.52 $24,484,454 1,146,170
(Indirect)		 View
2021-08-18
Sale		 2021-08-20
9:00 pm		 ACM Research Inc. ACMR Xiang Yinan
Director		 26,612 $85.12 $2,265,303 1,425,935
(Indirect)		 View
2021-08-19
Sale		 2021-08-20
4:33 pm		 ACM Research Inc. ACMR McKechnie Mark
See remarks		 5,000 $82.08 $410,383 14,972
(Direct)		 View
2021-08-11
Sale		 2021-08-13
8:07 pm		 ACM Research Inc. ACMR Xiang Yinan
Director		 53,623 $85.75 $4,598,010 1,452,547
(Indirect)		 View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date		 Reported
DateTime		 Exercisable
Expiration		 Company Symnbol Insider
Relationship		 Shares
Traded		 Conversion
Price		 Shares
Owned		 Filing

Ownership(A)		 2023-07-18
08:53 am		 N/A
N/A		 ACM Research Inc. ACM Shanghai Science & Technology Venture Capital (Group) Co. Ltd.
Shanghai Pudong Science & Technology Investment Group Co. Ltd.
Possible member of 10% group
10% Owner		 0 $0 6,797,238
(Direct)		 View
2023-07-03
Exercise		 2023-07-05
6:52 pm		 N/A
N/A		 ACM Research Inc. ACMR Feng Lisa
See remarks		 22,500 $1.77 50,001
(Direct)		 View
2023-07-03
Exercise		 2023-07-05
6:52 pm		 N/A
2028-01-24		 ACM Research Inc. ACMR Feng Lisa
See remarks		 22,500 $0 50,001
(Direct)		 View

Ownership		 2023-06-13
5:32 pm		 N/A
N/A		 ACM Research Inc. ACMR Shanghai Science & Technology Venture Capital (Group) Co. Ltd.
Shanghai Pudong Science & Technology Investment Group Co. Ltd.
Possible member of 10% group
10% Owner		 0 $0 6,797,238
(Direct)		 View
2023-06-06
Exercise		 2023-06-08
9:49 pm		 N/A
N/A		 ACM Research Inc. ACMR Cheav Sotheara
See remarks		 16,500 $5.33 136,002
(Direct)		 View
2022-06-06
Exercise		 2023-06-08
9:49 pm		 N/A
2028-07-31		 ACM Research Inc. ACMR Cheav Sotheara
See remarks		 39,000 $0 136,002
(Direct)		 View
2023-06-06
Exercise		 2023-06-08
9:49 pm		 N/A
N/A		 ACM Research Inc. ACMR Cheav Sotheara
See remarks		 22,500 $4.62 136,002
(Direct)		 View
2023-05-22
Exercise		 2023-05-24
6:33 pm		 N/A
N/A		 ACM Research Inc. ACMR Dun Haiping
Director		 37,500 $0.5 1,124,689
(Direct)		 View
2023-05-22
Tax Withholding		 2023-05-24
6:33 pm		 N/A
N/A		 ACM Research Inc. ACMR Dun Haiping
Director		 1,928 $9.73 1,124,689
(Direct)		 View
2023-05-22
Exercise		 2023-05-24
6:33 pm		 N/A
2025-04-30		 ACM Research Inc. ACMR Dun Haiping
Director		 37,500 $0 1,124,689
(Direct)		 View
2023-03-09
Exercise		 2023-03-13
9:02 pm		 N/A
N/A		 ACM Research Inc. ACMR Dun Haiping
Director		 37,500 $0.5 1,164,117
(Direct)		 View
2023-03-09
Exercise		 2023-03-13
9:02 pm		 N/A
2025-04-30		 ACM Research Inc. ACMR Dun Haiping
Director		 37,500 $0 1,164,117
(Direct)		 View
2023-03-09
Tax Withholding		 2023-03-13
9:02 pm		 N/A
N/A		 ACM Research Inc. ACMR Dun Haiping
Director		 1,504 $12.47 1,164,117
(Direct)		 View
2023-03-09
Exercise		 2023-03-13
9:00 pm		 N/A
N/A		 ACM Research Inc. ACMR Feng Lisa
See remarks		 22,500 $1.77 50,001
(Direct)		 View
2023-03-09
Exercise		 2023-03-13
9:00 pm		 N/A
2028-01-24		 ACM Research Inc. ACMR Feng Lisa
See remarks		 22,500 $0 50,001
(Direct)		 View
2023-02-12
Option Award		 2023-02-14
6:20 pm		 N/A
2032-03-03		 ACM Research Inc. ACMR Wang Jian
See remarks		 15,000 $0 15,000
(Direct)		 View
2022-12-30
Option Award(A)		 2023-02-14
6:18 pm		 N/A
2032-03-03		 ACM Research Inc. ACMR Chen Fuping
See remarks		 3,000 $0 3,000
(Direct)		 View
2022-12-30
Option Award		 2023-01-04
6:09 pm		 N/A
2032-03-03		 ACM Research Inc. ACMR Chen Fuping
See remarks		 13,500 $0 13,500
(Direct)		 View
2022-12-31
Option Award		 2023-01-04
6:09 pm		 N/A
2032-03-03		 ACM Research Inc. ACMR Feng Lisa
See remarks		 22,500 $0 22,500
(Direct)		 View
2022-12-28
Option Award		 2022-12-30
9:30 pm		 N/A
2032-03-03		 ACM Research Inc. ACMR McKechnie Mark
See Remarks		 22,500 $0 22,500
(Direct)		 View
2022-11-22
Exercise		 2022-11-25
5:30 pm		 N/A
N/A		 ACM Research Inc. ACMR Dun Haiping
Director		 37,500 $0.5 1,200,948
(Direct)		 View
2022-11-22
Exercise		 2022-11-25
5:30 pm		 N/A
2025-05-01		 ACM Research Inc. ACMR Dun Haiping
Director		 37,500 $0 1,200,948
(Direct)		 View
2022-11-22
Tax Withholding		 2022-11-25
5:30 pm		 N/A
N/A		 ACM Research Inc. ACMR Dun Haiping
Director		 2,173 $8.63 1,200,948
(Direct)		 View
2022-11-14
Exercise		 2022-11-15
9:03 pm		 N/A
N/A		 ACM Research Inc. ACMR Dun Haiping
Director		 37,500 $0.5 1,203,121
(Direct)		 View
2022-11-14
Exercise		 2022-11-15
9:03 pm		 N/A
2025-05-01		 ACM Research Inc. ACMR Dun Haiping
Director		 37,500 $0 1,203,121
(Direct)		 View
2022-11-14
Tax Withholding		 2022-11-15
9:03 pm		 N/A
N/A		 ACM Research Inc. ACMR Dun Haiping
Director		 1,970 $9.52 1,203,121
(Direct)		 View
2022-08-16
Exercise		 2022-08-18
9:30 pm		 N/A
2028-07-31		 ACM Research Inc. ACMR Cheav Sotheara
See remarks		 10,000 $0 195,002
(Direct)		 View
2022-08-16
Exercise		 2022-08-18
9:30 pm		 N/A
N/A		 ACM Research Inc. ACMR Cheav Sotheara
See remarks		 10,000 $4.62 195,002
(Direct)		 View
2022-08-15
Exercise		 2022-08-17
6:00 pm		 N/A
N/A		 ACM Research Inc. ACMR Dun Haiping
Director		 37,500 $0.5 1,241,628
(Direct)		 View
2022-08-15
Exercise		 2022-08-17
6:00 pm		 N/A
2025-05-01		 ACM Research Inc. ACMR Dun Haiping
Director		 37,500 $0 1,241,628
(Direct)		 View
2022-08-15
Tax Withholding		 2022-08-17
6:00 pm		 N/A
N/A		 ACM Research Inc. ACMR Dun Haiping
Director		 963 $19.49 1,241,628
(Direct)		 View
2022-08-12
Option Award		 2022-08-16
6:00 pm		 N/A
2032-08-11		 ACM Research Inc. ACMR McKechnie Mark
See Remarks		 100,000 $0 100,000
(Direct)		 View
2022-08-08
Exercise		 2022-08-10
5:00 pm		 N/A
N/A		 ACM Research Inc. ACMR Dun Haiping
Director		 37,500 $0.5 1,279,110
(Direct)		 View
2022-08-08
Tax Withholding		 2022-08-10
5:00 pm		 N/A
N/A		 ACM Research Inc. ACMR Dun Haiping
Director		 981 $19.13 1,279,110
(Direct)		 View
2022-08-08
Exercise		 2022-08-10
5:00 pm		 N/A
2025-05-01		 ACM Research Inc. ACMR Dun Haiping
Director		 37,500 $0 1,279,110
(Direct)		 View
2022-06-30
Option Award		 2022-07-13
6:01 pm		 N/A
2032-06-29		 ACM Research Inc. ACMR Xing Xiao
Director		 24,000 $0 24,000
(Direct)		 View

Ownership		 2022-07-13
6:00 pm		 N/A
N/A		 ACM Research Inc. ACMR Xing Xiao
Director		 0 $0 3,438,510
(Indirect)		 View
2022-06-30
Option Award		 2022-07-05
5:32 pm		 N/A
2032-06-29		 ACM Research Inc. ACMR Hu Chenming
Director		 24,000 $0 24,000
(Direct)		 View
2022-06-30
Option Award		 2022-07-05
5:31 pm		 N/A
2032-06-29		 ACM Research Inc. ACMR Liu Tracy
Director		 24,000 $0 24,000
(Direct)		 View
2022-06-30
Option Award		 2022-07-05
5:31 pm		 N/A
2032-06-29		 ACM Research Inc. ACMR Dun Haiping
Director		 24,000 $0 24,000
(Direct)		 View
2022-05-18
Exercise		 2022-05-20
9:50 pm		 N/A
N/A		 ACM Research Inc. ACMR Dun Haiping
Director		 37,500 $0.5 1,316,241
(Direct)		 View
2022-05-18
Tax Withholding		 2022-05-20
9:50 pm		 N/A
N/A		 ACM Research Inc. ACMR Dun Haiping
Director		 1,350 $13.89 1,316,241
(Direct)		 View
2022-05-18
Exercise		 2022-05-20
9:50 pm		 N/A
2025-05-01		 ACM Research Inc. ACMR Dun Haiping
Director		 37,500 $0 1,316,241
(Direct)		 View
2022-03-09
Exercise		 2022-03-11
5:08 pm		 N/A
N/A		 ACM Research Inc. ACMR Dun Haiping
Director		 12,269 $1.5 297,530
(Direct)		 View
2022-03-09
Exercise		 2022-03-11
5:08 pm		 N/A
2025-05-01		 ACM Research Inc. ACMR Dun Haiping
Director		 12,269 $0 297,530
(Direct)		 View
2021-03-09
Exercise		 2022-03-11
5:06 pm		 N/A
2028-07-31		 ACM Research Inc. ACMR McKechnie Mark
See Remarks		 5,300 $0 14,644
(Direct)		 View
2022-03-09
Exercise		 2022-03-11
5:06 pm		 N/A
N/A		 ACM Research Inc. ACMR McKechnie Mark
See Remarks		 5,300 $13.85 14,644
(Direct)		 View
2022-03-02
Exercise		 2022-03-04
5:26 pm		 N/A
N/A		 ACM Research Inc. ACMR Dun Haiping
Director		 12,500 $1.5 451,466
(Direct)		 View
2022-03-02
Exercise		 2022-03-04
5:26 pm		 N/A
2025-05-01		 ACM Research Inc. ACMR Dun Haiping
Director		 12,500 $0 451,466
(Direct)		 View
2022-03-02
Tax Withholding		 2022-03-04
5:26 pm		 N/A
N/A		 ACM Research Inc. ACMR Dun Haiping
Director		 231 $81.46 451,466
(Direct)		 View
2021-11-18
Exercise		 2021-11-22
5:00 pm		 N/A
2028-07-31		 ACM Research Inc. ACMR McKechnie Mark
See Remarks		 5,000 $0 9,972
(Direct)		 View
2021-11-18
Exercise		 2021-11-22
5:00 pm		 N/A
N/A		 ACM Research Inc. ACMR McKechnie Mark
See Remarks		 5,000 $13.85 9,972
(Direct)		 View
2021-11-03
Exercise		 2021-11-05
5:47 pm		 N/A
N/A		 ACM Research Inc. ACMR Feng Lisa
See remarks		 2,437 $5.6 16,667
(Direct)		 View
2021-11-03
Exercise		 2021-11-05
5:47 pm		 N/A
2027-11-01		 ACM Research Inc. ACMR Feng Lisa
See remarks		 2,437 $0 16,667
(Direct)		 View
2021-09-14
Option Award		 2021-09-16
4:30 pm		 2021-09-14
2030-07-27		 ACM Research Inc. ACMR Chen Fuping
See remarks		 10,000 $0 10,000
(Direct)		 View
2021-08-19
Exercise		 2021-08-20
4:33 pm		 N/A
2028-07-31		 ACM Research Inc. ACMR McKechnie Mark
See remarks		 5,000 $0 14,972
(Direct)		 View
2021-08-19
Exercise		 2021-08-20
4:33 pm		 N/A
N/A		 ACM Research Inc. ACMR McKechnie Mark
See remarks		 5,000 $13.85 14,972
(Direct)		 View
(A) Indicate amendment filing.
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