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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:
ACM RESEARCH INC: ACMR
Price: 10/10/25 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$36.59 $45.12 $13.87 $2,348 59 1,721 0.0% 9.6% 70.23% 15.26%
Exch Sector Industry Sub-Industry
NasdaqGM Manufacturing Industrial And Commercial Machinery And Computer Equipment Special Industry Machinery, N E C
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Insider Statistics
T N H M S
Filer Name
Insider Title
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
Input Date
1
    
 
WANG DAVID H
DIR,BO
OS*
$90,010
5,224
---
11/14/23
---
$17.23
678,794
-0.8
D
---
11/16/23 - 4:15:35 pm
2
1y
8
50%
72%
1
WANG DAVID H
DIR,BO
OE*
$90,000
180,000
---
11/14/23
---
$0.50
684,018
35.7
D
---
11/16/23 - 4:15:35 pm
3
    
 
DUN HAIPING
DIR
OS*
$17,506
1,016
---
11/14/23
---
$17.23
889,074
-0.1
D
---
11/16/23 - 4:15:29 pm
4
    
 
DUN HAIPING
DIR
OE*
$17,500
35,000
---
11/14/23
---
$0.50
890,090
4.1
D
---
11/16/23 - 4:15:29 pm
5
1y
10
50%
2%
1
CHEAV SOTHEARA
O
OS
$436,540
26,000
---
11/13/23
---
$16.79
110,002
-19.1
D
10b
11/15/23 - 4:15:22 pm
6
    
 
CHEAV SOTHEARA
O
OE
$129,705
26,000
---
11/13/23
---
$4.62
136,002
23.6
D
10b
11/15/23 - 4:15:22 pm
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