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Transaction Types Key To InsiderInsights' Infobase
 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: 8/22/25 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
$30.53 $32.54 $13.87 $1,959 59 1,066 0.0% 5.6% 70.48% 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
    
 
WANG DAVID H
DIR,BO
OS*
$90,012
4,884
---
9/4/23
---
$18.43
679,134
-0.7
D
---
9/6/23 - 9:40:59 pm
2
1y
8
50%
72%
1
WANG DAVID H
DIR,BO
OE*
$90,000
180,000
---
9/4/23
---
$0.50
684,018
35.7
D
---
9/6/23 - 9:40:59 pm
3
    
 
MCKECHNIE MARK
O
OS
$540,000
30,000
---
9/1/23
---
$18.00
900
-97.1
D
10b
9/5/23 - 9:30:31 pm
4
    
 
MCKECHNIE MARK
O
OE
$136,500
30,000
---
9/1/23
---
$4.55
30,900
3,333.3
D
10b
9/5/23 - 9:30:31 pm
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