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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: 7/25/25 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
$29.93 $30.73 $13.87 $1,911 59 1,050 0.0% 5.8% 69.38% 15.04%
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
    
 
CHEN FUPING
O
OS
$1,575,000
105,000
---
8/23/23
---
$15.00
---
All
D
10b
8/25/23 - 5:46:47 pm
2
    
 
CHEN FUPING
O
OE
$111,803
105,000
---
8/23/23
$1.00
$1.77
105,000
New
D
10b
8/25/23 - 5:46:47 pm
3
    
 
DUN HAIPING
DIR
AS
$444,557
32,098
---
8/22/23
---
$13.85
855,090
-3.6
D
10b
8/24/23 - 8:13:17 pm
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