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.
"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
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
2022-03-09
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
2021-04-08
Sale
2021-04-12
5:30 pm
ACM Research Inc. ACMR Cheav Sotheara
See remarks
18,111 $87.2 $1,579,237 58,334
(Direct)
View
2021-03-18
Sale
2021-03-22
5:30 pm
ACM Research Inc. ACMR Wang David H
10% Owner
99,228 $91.24 $9,053,595 483,286
(Indirect
Direct)
View
2021-03-15
Sale
2021-03-16
5:31 pm
ACM Research Inc. ACMR Cheav Sotheara
See remarks
20,000 $92.68 $1,853,600 93,334
(Direct)
View
2021-03-12
Sale
2021-03-16
5:31 pm
ACM Research Inc. ACMR McKechnie Mark
See remarks
10,028 $87.89 $881,361 19,972
(Direct)
View
2021-02-12
Sale
2021-02-16
6:05 pm
ACM Research Inc. ACMR Liu Tracy
Director
2,000 $120 $240,000 36,924
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
Company Symnbol Insider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
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
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
2022-08-15
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
2022-08-12
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
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
2022-08-08
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
2022-06-30
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
2022-06-30
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
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
2022-05-18
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
2022-03-09
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
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
5:06 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
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
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
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
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
2027-11-01
ACM Research Inc. ACMR Feng Lisa
See remarks
2,437 $0 16,667
(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
2021-09-14
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
2021-05-04
Exercise
2021-05-06
5:30 pm
N/A
N/A
ACM Research Inc. ACMR Hu Chenming
Director
23,334 $3 87,770
(Direct)
View
2021-05-04
Exercise
2021-05-06
5:30 pm
N/A
2026-12-27
ACM Research Inc. ACMR Hu Chenming
Director
23,334 $0 87,770
(Direct)
View
2021-04-08
Exercise
2021-04-12
5:30 pm
N/A
2028-07-31
ACM Research Inc. ACMR Cheav Sotheara
See remarks
5,000 $0 58,334
(Direct)
View
2021-04-08
Exercise
2021-04-12
5:30 pm
N/A
N/A
ACM Research Inc. ACMR Cheav Sotheara
See remarks
5,000 $13.85 58,334
(Direct)
View
2021-04-05
Tax Withholding
2021-04-05
5:30 pm
N/A
N/A
ACM Research Inc. ACMR Cheav Sotheara
See remarks
223 $90.08 56,445
(Direct)
View
2021-04-05
Exercise
2021-04-05
5:30 pm
N/A
2025-05-01
ACM Research Inc. ACMR Cheav Sotheara
See remarks
13,334 $0 56,445
(Direct)
View
2021-04-05
Exercise
2021-04-05
5:30 pm
N/A
N/A
ACM Research Inc. ACMR Cheav Sotheara
See remarks
13,334 $1.5 56,445
(Direct)
View
2021-03-30
Exercise
2021-04-01
7:39 pm
N/A
N/A
ACM Research Inc. ACMR Hu Chenming
Director
10,000 $3 87,770
(Direct)
View
2021-03-30
Exercise
2021-04-01
7:39 pm
N/A
2026-12-27
ACM Research Inc. ACMR Hu Chenming
Director
10,000 $0 87,770
(Direct)
View
2021-03-15
Exercise
2021-03-16
5:31 pm
N/A
2028-07-31
ACM Research Inc. ACMR Cheav Sotheara
See remarks
20,000 $0 93,334
(Direct)
View
2021-03-15
Exercise
2021-03-16
5:31 pm
N/A
N/A
ACM Research Inc. ACMR Cheav Sotheara
See remarks
20,000 $13.85 93,334
(Direct)
View
2021-03-12
Exercise
2021-03-16
5:31 pm
N/A
2028-07-31
ACM Research Inc. ACMR McKechnie Mark
See remarks
10,028 $0 19,972
(Direct)
View
2021-03-12
Exercise
2021-03-16
5:31 pm
N/A
N/A
ACM Research Inc. ACMR McKechnie Mark
See remarks
10,028 $13.85 19,972
(Direct)
View
2021-03-12
Exercise
2021-03-16
5:30 pm
N/A
N/A
ACM Research Inc. ACMR Wang David H
10% Owner
100,001 $0.75 582,514
(Direct)
View
2021-03-12
Exercise
2021-03-16
5:30 pm
N/A
2021-05-01
ACM Research Inc. ACMR Wang David H
10% Owner
100,001 $0 582,514
(Direct)
View
2021-03-12
Tax Withholding
2021-03-16
5:30 pm
N/A
N/A
ACM Research Inc. ACMR Wang David H
10% Owner
773 $97.05 582,514
(Direct)
View
2021-03-04
Exercise
2021-03-08
7:13 pm
N/A
2027-03-08
ACM Research Inc. ACMR Hu Chenming
Director
23,334 $0 66,770
(Direct)
View
2021-03-04
Exercise
2021-03-08
7:13 pm
N/A
N/A
ACM Research Inc. ACMR Hu Chenming
Director
23,334 $7.5 66,770
(Direct)
View
2021-02-22(A)
Option Award
2021-03-05
9:46 pm
N/A
2031-02-21
ACM Research Inc. ACMR Dun Haiping
Director
5,000 $0 5,000
(Direct)
View
2021-02-22(A)
Option Award
2021-03-05
9:46 pm
N/A
2031-02-21
ACM Research Inc. ACMR Liu Tracy
Director
5,000 $0 5,000
(Direct)
View
2021-02-22(A)
Option Award
2021-03-05
9:45 pm
N/A
2031-02-21
ACM Research Inc. ACMR Hu Chenming
Director
5,000 $0 5,000
(Direct)
View
2021-02-22
Option Award
2021-03-03
5:31 pm
N/A
2031-02-21
ACM Research Inc. ACMR Liu Tracy
Director
5,000 $0 5,000
(Direct)
View
2021-02-22
Option Award
2021-03-03
5:30 pm
N/A
2031-02-21
ACM Research Inc. ACMR Dun Haiping
Director
5,000 $0 5,000
(Direct)
View
2021-02-22
Exercise
2021-03-03
5:30 pm
N/A
2027-03-08
ACM Research Inc. ACMR Hu Chenming
Director
10,000 $0 59,436
(Direct)
View
2021-02-22
Option Award
2021-03-03
5:30 pm
N/A
2031-02-21
ACM Research Inc. ACMR Hu Chenming
Director
5,000 $0 59,436
(Direct)
View
2021-02-22
Exercise
2021-03-03
5:30 pm
N/A
N/A
ACM Research Inc. ACMR Hu Chenming
Director
10,000 $7.5 59,436
(Direct)
View
2021-02-26
Exercise
2021-03-02
5:36 pm
N/A
2027-11-01
ACM Research Inc. ACMR Feng Lisa
See remarks
3,470 $0 16,667
(Direct)
View
2021-02-26
Exercise
2021-03-02
5:36 pm
N/A
N/A
ACM Research Inc. ACMR Feng Lisa
See remarks
3,470 $5.6 16,667
(Direct)
View
(A) Indicate amendment filing.
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