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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History For:
'DUN HAIPING'
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Insider Statistics
T N H M S
Insider Title
Company Name
Ticker
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
SIC Code
SIC Sector
SIC Industry
SIC Sub-Industry
Input Date
1
    
 
DIR
ACM RESEARCH INC
ACMR
OS*
$17,512
942
---
11/14/24
---
$18.59
789,148
-0.1
D
---
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
11/18/24 - 4:32:29 pm
2
    
 
DIR
ACM RESEARCH INC
ACMR
OE*
$17,500
35,000
---
11/14/24
---
---
790,090
4.6
D
---
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
11/18/24 - 4:32:29 pm
3
    
 
DIR
ACM RESEARCH INC
ACMR
AS
$345,274
19,097
---
8/29/24
---
$18.08
755,090
-2.5
D
10b
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
9/3/24 - 4:30:17 pm
4
    
 
DIR
ACM RESEARCH INC
ACMR
AS
$297,750
15,000
---
8/22/24
---
$19.85
774,187
-1.9
D
10b
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
8/26/24 - 4:30:27 pm
5
    
 
DIR
ACM RESEARCH INC
ACMR
OS*
$17,500
903
---
8/14/24
---
$19.38
789,187
-0.1
D
---
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
8/16/24 - 9:02:36 pm
6
    
 
DIR
ACM RESEARCH INC
ACMR
OE*
$17,500
35,000
---
8/14/24
---
---
790,090
4.6
D
---
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
8/16/24 - 9:02:36 pm
7
    
 
DIR
ACM RESEARCH INC
ACMR
JS
---
400,000
---
6/27/24
---
---
---
All
D
---
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
7/1/24 - 4:30:30 pm
8
    
 
DIR
ACM RESEARCH INC
ACMR
AS
$435,379
19,239
---
5/29/24
---
$22.63
855,090
-2.2
D
10b
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
5/31/24 - 4:30:45 pm
9
    
 
DIR
ACM RESEARCH INC
ACMR
AS
$343,200
15,000
---
5/22/24
---
$22.88
874,329
-1.7
D
10b
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
5/24/24 - 4:30:31 pm
10
    
 
DIR
ACM RESEARCH INC
ACMR
OS*
$17,518
761
---
5/14/24
---
$23.02
889,329
-0.1
D
---
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
5/16/24 - 9:00:11 am
11
    
 
DIR
ACM RESEARCH INC
ACMR
OE*
$17,500
35,000
---
5/14/24
---
---
890,090
4.1
D
---
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
5/16/24 - 9:00:11 am
12
    
 
DIR
ACM RESEARCH INC
ACMR
AS
$538,376
19,434
---
3/14/24
$27.56
$28.34
855,090
-2.2
D
10b
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
3/15/24 - 9:32:09 pm
13
    
 
DIR
ACM RESEARCH INC
ACMR
AS
$455,400
15,000
---
3/8/24
---
$30.36
874,524
-1.7
D
10b
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
3/12/24 - 9:30:41 pm
14
    
 
DIR
ACM RESEARCH INC
ACMR
OS*
$17,501
566
---
3/1/24
---
$30.92
889,524
-0.1
D
---
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
3/5/24 - 9:31:13 pm
15
    
 
DIR
ACM RESEARCH INC
ACMR
OE*
$17,500
35,000
---
3/1/24
---
---
890,090
4.1
D
---
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
3/5/24 - 9:31:13 pm
16
    
 
DIR
ACM RESEARCH INC
ACMR
AS
$327,474
18,984
---
11/29/23
---
$17.25
855,090
-2.2
D
10b
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
12/1/23 - 4:15:41 pm
17
    
 
DIR
ACM RESEARCH INC
ACMR
AS
$264,900
15,000
---
11/22/23
---
$17.66
874,074
-1.7
D
10b
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
11/27/23 - 4:24:52 pm
18
    
 
DIR
ACM RESEARCH INC
ACMR
OS*
$17,506
1,016
---
11/14/23
---
$17.23
889,074
-0.1
D
---
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
11/16/23 - 4:15:29 pm
19
    
 
DIR
ACM RESEARCH INC
ACMR
OE*
$17,500
35,000
---
11/14/23
---
---
890,090
4.1
D
---
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
11/16/23 - 4:15:29 pm
20
    
 
DIR
ACM RESEARCH INC
ACMR
AS
$444,557
32,098
---
8/22/23
---
$13.85
855,090
-3.6
D
10b
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
8/24/23 - 8:13:17 pm
21
    
 
DIR
ACM RESEARCH INC
ACMR
AS
$375,000
37,500
---
6/1/23
---
$10.00
887,188
-4.1
D
10b
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
6/5/23 - 6:26:49 pm
22
    
 
DIR
ACM RESEARCH INC
ACMR
OS*
$18,759
1,928
---
5/22/23
---
$9.73
924,688
-0.2
D
---
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
5/24/23 - 6:33:09 pm
23
    
 
DIR
ACM RESEARCH INC
ACMR
OE*
$18,750
37,500
---
5/22/23
---
---
926,616
4.2
D
---
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
5/24/23 - 6:33:09 pm
24
    
 
DIR
ACM RESEARCH INC
ACMR
AS
$452,250
37,500
---
3/16/23
---
$12.06
889,116
-4.0
D
10b
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
3/20/23 - 8:55:34 pm
25
    
 
DIR
ACM RESEARCH INC
ACMR
OS*
$18,755
1,504
---
3/9/23
---
$12.47
926,616
-0.2
D
---
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
3/13/23 - 9:02:03 pm
26
    
 
DIR
ACM RESEARCH INC
ACMR
OE*
$18,750
37,500
---
3/9/23
---
---
928,120
4.2
D
---
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
3/13/23 - 9:02:03 pm
27
    
 
DIR
ACM RESEARCH INC
ACMR
AS
$297,807
35,327
---
11/30/22
---
$8.43
890,620
-3.8
D
10b
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
12/2/22 - 5:31:33 pm
28
    
 
DIR
ACM RESEARCH INC
ACMR
OS*
$18,753
2,173
---
11/22/22
---
$8.63
925,947
-0.2
D
---
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
11/25/22 - 5:30:22 pm
29
    
 
DIR
ACM RESEARCH INC
ACMR
OE*
$18,750
37,500
---
11/22/22
---
---
928,120
4.2
D
---
3559
Manufacturing
Industrial And Commercial Machinery And Computer Equipment
Special Industry Machinery, N E C
11/25/22 - 5:30:22 pm
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