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.
Goto 0, 1, 2, 3, Next
Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2023-09-12
Sale
2023-09-14
5:00 pm
ACM Research Inc.ACMRWang David H
See Remarks
10% Owner
175,116$17.87$3,130,0161,449,858
(Indirect
Direct)
View
2023-09-01
Sale
2023-09-05
9:30 pm
ACM Research Inc.ACMRMcKechnie Mark
See Remarks
30,000$18$540,00030,900
(Direct)
View
2023-08-23
Sale
2023-08-25
5:46 pm
ACM Research Inc.ACMRChen Fuping
See remarks
105,000$15$1,575,000141,165
(Direct)
View
2023-08-22
Sale
2023-08-24
8:13 pm
ACM Research Inc.ACMRDun Haiping
Director
32,098$13.85$444,557855,090
(Direct)
View
2023-07-03
Sale
2023-07-05
6:52 pm
ACM Research Inc.ACMRFeng Lisa
See remarks
22,500$15$337,50050,001
(Direct)
View
2023-06-06
Sale
2023-06-08
9:49 pm
ACM Research Inc.ACMRCheav Sotheara
See remarks
39,000$10$390,000136,002
(Direct)
View
2023-06-01
Sale
2023-06-05
6:26 pm
ACM Research Inc.ACMRDun Haiping
Director
37,500$10$375,000887,188
(Direct)
View
2023-03-16
Sale
2023-03-20
8:55 pm
ACM Research Inc.ACMRDun Haiping
Director
37,500$12.06$452,250889,116
(Direct)
View
2023-03-09
Sale
2023-03-13
9:00 pm
ACM Research Inc.ACMRFeng Lisa
See remarks
22,500$12.37$278,35150,001
(Direct)
View
2022-11-30
Sale
2022-12-02
5:31 pm
ACM Research Inc.ACMRDun Haiping
Director
35,327$8.43$297,807890,620
(Direct)
View
2022-08-22
Sale
2022-08-24
9:01 pm
ACM Research Inc.ACMRDun Haiping
Director
36,537$16.1$588,246855,090
(Direct)
View
2022-08-18
Sale
2022-08-22
8:00 pm
ACM Research Inc.ACMRCheav Sotheara
See remarks
10,000$17.5$175,000110,002
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2023-09-04
Exercise
2023-09-06
9:40 pm
N/A
N/A
ACM Research Inc.ACMRWang David H
See Remarks
10% Owner
180,000$0.52,644,974
(Direct)
View
2023-09-04
Exercise
2023-09-06
9:40 pm
N/A
2025-04-30
ACM Research Inc.ACMRWang David H
See Remarks
10% Owner
180,000$02,644,974
(Direct)
View
2023-09-04
Tax Withholding
2023-09-06
9:40 pm
N/A
N/A
ACM Research Inc.ACMRWang David H
See Remarks
10% Owner
4,884$18.432,644,974
(Direct)
View
2023-09-01
Exercise
2023-09-05
9:30 pm
N/A
N/A
ACM Research Inc.ACMRMcKechnie Mark
See Remarks
30,000$4.5530,900
(Direct)
View
2023-09-01
Exercise
2023-09-05
9:30 pm
N/A
2029-11-03
ACM Research Inc.ACMRMcKechnie Mark
See Remarks
30,000$030,900
(Direct)
View
2023-08-23
Exercise
2023-08-25
5:46 pm
N/A
N/A
ACM Research Inc.ACMRChen Fuping
See remarks
8,835$1.77141,165
(Direct)
View
2023-08-23
Exercise
2023-08-25
5:46 pm
N/A
2026-12-27
ACM Research Inc.ACMRChen Fuping
See remarks
105,000$0141,165
(Direct)
View
2023-08-23
Exercise
2023-08-25
5:46 pm
N/A
N/A
ACM Research Inc.ACMRChen Fuping
See remarks
96,165$1141,165
(Direct)
View
2023-08-10
Option Award(A)
2023-08-21
9:19 pm
N/A
2033-08-09
ACM Research Inc.ACMRDun Haiping
Director
54,000$054,000
(Direct)
View
2023-08-10
Option Award(A)
2023-08-21
9:19 pm
N/A
2033-08-09
ACM Research Inc.ACMRWang David H
See remarks
10% Owner
1,080,000$01,080,000
(Direct)
View
2023-08-10
Option Award(A)
2023-08-21
9:19 pm
N/A
2033-08-09
ACM Research Inc.ACMRMcKechnie Mark
See Remarks
300,000$0300,000
(Direct)
View
2023-08-10
Option Award(A)
2023-08-21
9:19 pm
N/A
2033-08-09
ACM Research Inc.ACMRLiu Tracy
Director
54,000$054,000
(Direct)
View
2023-08-10
Option Award(A)
2023-08-21
9:18 pm
N/A
2033-08-09
ACM Research Inc.ACMRXing Xiao
Director
24,000$024,000
(Direct)
View
2023-08-10
Option Award(A)
2023-08-21
9:18 pm
N/A
2033-08-09
ACM Research Inc.ACMRHu Chenming
Director
24,000$024,000
(Direct)
View
2023-08-10
Option Award(A)
2023-08-21
9:18 pm
N/A
2033-08-09
ACM Research Inc.ACMRFeng Lisa
See remarks
100,000$0100,000
(Direct)
View
2023-08-10
Option Award(A)
2023-08-21
9:18 pm
N/A
2033-08-09
ACM Research Inc.ACMRCheav Sotheara
See remarks
100,000$0100,000
(Direct)
View
2023-08-10
Option Award
2023-08-14
5:31 pm
N/A
2033-08-09
ACM Research Inc.ACMRDun Haiping
Director
54,000$054,000
(Direct)
View
2023-08-10
Option Award
2023-08-14
5:31 pm
N/A
2033-08-09
ACM Research Inc.ACMRCheav Sotheara
See remarks
100,000$0100,000
(Direct)
View
2023-08-10
Option Award
2023-08-14
5:30 pm
N/A
2033-08-09
ACM Research Inc.ACMRFeng Lisa
See remarks
100,000$0100,000
(Direct)
View
2023-08-10
Option Award
2023-08-14
5:30 pm
N/A
2033-08-09
ACM Research Inc.ACMRWang David H
See remarks
10% Owner
1,080,000$01,080,000
(Direct)
View
2023-08-10
Option Award
2023-08-14
5:30 pm
N/A
2033-08-09
ACM Research Inc.ACMRMcKechnie Mark
See Remarks
300,000$0300,000
(Direct)
View
2023-08-10
Option Award
2023-08-14
5:30 pm
N/A
2033-08-09
ACM Research Inc.ACMRLiu Tracy
Director
54,000$054,000
(Direct)
View
2023-08-10
Option Award
2023-08-14
5:30 pm
N/A
2033-08-09
ACM Research Inc.ACMRHu Chenming
Director
24,000$024,000
(Direct)
View
2023-08-10
Option Award
2023-08-14
5:30 pm
N/A
2033-08-09
ACM Research Inc.ACMRXing Xiao
Director
24,000$024,000
(Direct)
View

Ownership(A)
2023-07-18
08:53 am
N/A
N/A
ACM Research Inc.ACMShanghai Science & Technology Venture Capital (Group) Co. Ltd.
Shanghai Pudong Science & Technology Investment Group Co. Ltd.
Possible member of 10% group
10% Owner
0$06,797,238
(Direct)
View
2023-07-03
Exercise
2023-07-05
6:52 pm
N/A
N/A
ACM Research Inc.ACMRFeng Lisa
See remarks
22,500$1.7750,001
(Direct)
View
2023-07-03
Exercise
2023-07-05
6:52 pm
N/A
2028-01-24
ACM Research Inc.ACMRFeng Lisa
See remarks
22,500$050,001
(Direct)
View

Ownership
2023-06-13
5:32 pm
N/A
N/A
ACM Research Inc.ACMRShanghai Science & Technology Venture Capital (Group) Co. Ltd.
Shanghai Pudong Science & Technology Investment Group Co. Ltd.
Possible member of 10% group
10% Owner
0$06,797,238
(Direct)
View
2022-06-06
Exercise
2023-06-08
9:49 pm
N/A
2028-07-31
ACM Research Inc.ACMRCheav Sotheara
See remarks
39,000$0136,002
(Direct)
View
2023-06-06
Exercise
2023-06-08
9:49 pm
N/A
N/A
ACM Research Inc.ACMRCheav Sotheara
See remarks
22,500$4.62136,002
(Direct)
View
2023-06-06
Exercise
2023-06-08
9:49 pm
N/A
N/A
ACM Research Inc.ACMRCheav Sotheara
See remarks
16,500$5.33136,002
(Direct)
View
2023-05-22
Exercise
2023-05-24
6:33 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
37,500$0.51,124,689
(Direct)
View
2023-05-22
Tax Withholding
2023-05-24
6:33 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
1,928$9.731,124,689
(Direct)
View
2023-05-22
Exercise
2023-05-24
6:33 pm
N/A
2025-04-30
ACM Research Inc.ACMRDun Haiping
Director
37,500$01,124,689
(Direct)
View
2023-03-09
Exercise
2023-03-13
9:02 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
37,500$0.51,164,117
(Direct)
View
2023-03-09
Exercise
2023-03-13
9:02 pm
N/A
2025-04-30
ACM Research Inc.ACMRDun Haiping
Director
37,500$01,164,117
(Direct)
View
2023-03-09
Tax Withholding
2023-03-13
9:02 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
1,504$12.471,164,117
(Direct)
View
2023-03-09
Exercise
2023-03-13
9:00 pm
N/A
N/A
ACM Research Inc.ACMRFeng Lisa
See remarks
22,500$1.7750,001
(Direct)
View
2023-03-09
Exercise
2023-03-13
9:00 pm
N/A
2028-01-24
ACM Research Inc.ACMRFeng Lisa
See remarks
22,500$050,001
(Direct)
View
2023-02-12
Option Award
2023-02-14
6:20 pm
N/A
2032-03-03
ACM Research Inc.ACMRWang Jian
See remarks
15,000$015,000
(Direct)
View
2022-12-30
Option Award(A)
2023-02-14
6:18 pm
N/A
2032-03-03
ACM Research Inc.ACMRChen Fuping
See remarks
3,000$03,000
(Direct)
View
2022-12-30
Option Award
2023-01-04
6:09 pm
N/A
2032-03-03
ACM Research Inc.ACMRChen Fuping
See remarks
13,500$013,500
(Direct)
View
2022-12-31
Option Award
2023-01-04
6:09 pm
N/A
2032-03-03
ACM Research Inc.ACMRFeng Lisa
See remarks
22,500$022,500
(Direct)
View
2022-12-28
Option Award
2022-12-30
9:30 pm
N/A
2032-03-03
ACM Research Inc.ACMRMcKechnie Mark
See Remarks
22,500$022,500
(Direct)
View
2022-11-22
Exercise
2022-11-25
5:30 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
37,500$0.51,200,948
(Direct)
View
2022-11-22
Tax Withholding
2022-11-25
5:30 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
2,173$8.631,200,948
(Direct)
View
2022-11-22
Exercise
2022-11-25
5:30 pm
N/A
2025-05-01
ACM Research Inc.ACMRDun Haiping
Director
37,500$01,200,948
(Direct)
View
2022-11-14
Exercise
2022-11-15
9:03 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
37,500$0.51,203,121
(Direct)
View
2022-11-14
Exercise
2022-11-15
9:03 pm
N/A
2025-05-01
ACM Research Inc.ACMRDun Haiping
Director
37,500$01,203,121
(Direct)
View
2022-11-14
Tax Withholding
2022-11-15
9:03 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
1,970$9.521,203,121
(Direct)
View
(A) Indicate amendment filing.
Goto 0, 1, 2, 3, Next