Insider Trading & Ownership - Dun Haiping

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 Dun Haiping
Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2024-11-29
Sale
2024-12-03
4:32 pm
ACM Research Inc.ACMRDun Haiping
Director
19,058$17.43$332,181855,090
(Indirect
Direct)
View
2024-11-22
Sale
2024-11-26
4:30 pm
ACM Research Inc.ACMRDun Haiping
Director
15,000$19.12$286,800874,148
(Indirect
Direct)
View
2024-08-29
Sale
2024-09-03
4:30 pm
ACM Research Inc.ACMRDun Haiping
Director
19,097$18.08$345,274855,090
(Indirect
Direct)
View
2024-08-22
Sale
2024-08-26
4:30 pm
ACM Research Inc.ACMRDun Haiping
Director
15,000$19.85$297,750874,187
(Indirect
Direct)
View
2024-05-29
Sale
2024-05-31
4:30 pm
ACM Research Inc.ACMRDun Haiping
Director
19,239$22.63$435,379855,090
(Direct)
View
2024-05-22
Sale
2024-05-24
4:30 pm
ACM Research Inc.ACMRDun Haiping
Director
15,000$22.88$343,200874,329
(Direct)
View
2024-03-14
Sale
2024-03-15
9:32 pm
ACM Research Inc.ACMRDun Haiping
Director
19,434$27.7$538,376855,090
(Direct)
View
2024-03-08
Sale
2024-03-12
9:30 pm
ACM Research Inc.ACMRDun Haiping
Director
15,000$30.36$455,400874,524
(Direct)
View
2023-11-29
Sale
2023-12-01
4:15 pm
ACM Research Inc.ACMRDun Haiping
Director
18,984$17.25$327,474855,090
(Direct)
View
2023-11-22
Sale
2023-11-27
4:24 pm
ACM Research Inc.ACMRDun Haiping
Director
15,000$17.66$264,900874,074
(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
2023-06-01
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
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
2022-08-15
Sale
2022-08-17
6:00 pm
ACM Research Inc.ACMRDun Haiping
Director
36,519$19.28$704,0861,241,628
(Direct)
View
2022-05-27
Sale
2022-05-31
9:03 pm
ACM Research Inc.ACMRDun Haiping
Director
36,150$15$542,250855,090
(Direct)
View
2022-03-09
Sale
2022-03-11
5:08 pm
ACM Research Inc.ACMRDun Haiping
Director
12,269$82.09$1,007,102297,530
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2024-11-14
Exercise
2024-11-18
4:32 pm
N/A
2025-04-30
ACM Research Inc.ACMRDun Haiping
Director
35,000$0914,149
(Direct)
View
2024-11-14
Tax Withholding
2024-11-18
4:32 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
942$18.59914,149
(Direct)
View
2024-11-14
Exercise
2024-11-18
4:32 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
35,000$0.5914,149
(Direct)
View
2024-08-12
Option Award
2024-08-20
9:00 pm
N/A
2034-08-11
ACM Research Inc.ACMRDun Haiping
Director
20,000$020,000
(Direct)
View
2024-08-14
Exercise
2024-08-16
9:02 pm
N/A
2025-04-30
ACM Research Inc.ACMRDun Haiping
Director
35,000$0949,188
(Direct)
View
2024-08-14
Tax Withholding
2024-08-16
9:02 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
903$19.38949,188
(Direct)
View
2024-08-14
Exercise
2024-08-16
9:02 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
35,000$0.5949,188
(Direct)
View
2024-06-27
Gift
2024-07-01
4:30 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
400,000$0400,000
(Direct)
View
2024-05-14
Exercise
2024-05-16
09:00 am
N/A
2025-04-30
ACM Research Inc.ACMRDun Haiping
Director
35,000$0984,330
(Direct)
View
2024-05-14
Tax Withholding
2024-05-16
09:00 am
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
761$23.02984,330
(Direct)
View
2024-05-14
Exercise
2024-05-16
09:00 am
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
35,000$0.5984,330
(Direct)
View
2024-03-01
Exercise
2024-03-05
9:31 pm
N/A
2025-04-30
ACM Research Inc.ACMRDun Haiping
Director
35,000$01,019,525
(Direct)
View
2024-03-01
Tax Withholding
2024-03-05
9:31 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
566$30.921,019,525
(Direct)
View
2024-03-01
Exercise
2024-03-05
9:31 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
35,000$0.51,019,525
(Direct)
View
2023-11-14
Exercise
2023-11-16
4:15 pm
N/A
2025-04-30
ACM Research Inc.ACMRDun Haiping
Director
35,000$01,054,075
(Direct)
View
2023-11-14
Tax Withholding
2023-11-16
4:15 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
1,016$17.231,054,075
(Direct)
View
2023-11-14
Exercise
2023-11-16
4:15 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
35,000$0.51,054,075
(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
2023-08-14
5:31 pm
N/A
2033-08-09
ACM Research Inc.ACMRDun Haiping
Director
54,000$054,000
(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
2023-05-22
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
2023-03-09
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
9:02 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
37,500$0.51,164,117
(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
2022-11-22
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
2022-11-14
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
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
2022-08-15
Exercise
2022-08-17
6:00 pm
N/A
2025-05-01
ACM Research Inc.ACMRDun Haiping
Director
37,500$01,241,628
(Direct)
View
2022-08-15
Tax Withholding
2022-08-17
6:00 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
963$19.491,241,628
(Direct)
View
2022-08-15
Exercise
2022-08-17
6:00 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
37,500$0.51,241,628
(Direct)
View
2022-08-08
Exercise
2022-08-10
5:00 pm
N/A
2025-05-01
ACM Research Inc.ACMRDun Haiping
Director
37,500$01,279,110
(Direct)
View
2022-08-08
Tax Withholding
2022-08-10
5:00 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
981$19.131,279,110
(Direct)
View
2022-08-08
Exercise
2022-08-10
5:00 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
37,500$0.51,279,110
(Direct)
View
2022-06-30
Option Award
2022-07-05
5:31 pm
N/A
2032-06-29
ACM Research Inc.ACMRDun Haiping
Director
24,000$024,000
(Direct)
View
2022-05-18
Exercise
2022-05-20
9:50 pm
N/A
2025-05-01
ACM Research Inc.ACMRDun Haiping
Director
37,500$01,316,241
(Direct)
View
2022-05-18
Exercise
2022-05-20
9:50 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
37,500$0.51,316,241
(Direct)
View
2022-05-18
Tax Withholding
2022-05-20
9:50 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
1,350$13.891,316,241
(Direct)
View
2022-03-09
Exercise
2022-03-11
5:08 pm
N/A
2025-05-01
ACM Research Inc.ACMRDun Haiping
Director
12,269$0297,530
(Direct)
View
2022-03-09
Exercise
2022-03-11
5:08 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
12,269$1.5297,530
(Direct)
View
2022-03-02
Exercise
2022-03-04
5:26 pm
N/A
2025-05-01
ACM Research Inc.ACMRDun Haiping
Director
12,500$0451,466
(Direct)
View
2022-03-02
Exercise
2022-03-04
5:26 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
12,500$1.5451,466
(Direct)
View
2022-03-02
Tax Withholding
2022-03-04
5:26 pm
N/A
N/A
ACM Research Inc.ACMRDun Haiping
Director
231$81.46451,466
(Direct)
View
2021-02-22
Option Award(A)
2021-03-05
9:46 pm
N/A
2031-02-21
ACM Research Inc.ACMRDun Haiping
Director
5,000$05,000
(Direct)
View
2021-02-22
Option Award
2021-03-03
5:30 pm
N/A
2031-02-21
ACM Research Inc.ACMRDun Haiping
Director
5,000$05,000
(Direct)
View
2020-03-20
Option Award
2020-03-24
9:15 pm
N/A
2030-03-19
ACM Research Inc.ACMRDun Haiping
Director
10,000$010,000
(Direct)
View
(A) Indicate amendment filing.