| |
| |
| Exchange: |
N/A |
| Security
Type: |
Common |
| Shares
Out: |
54,071,000 |
| Market
Cap: |
1.35(B) |
| Last
Volume: |
0 |
Avg
Vol: |
0 |
| 52
Week Range: |
$14.1 - $32.06 |
|
| Level
I Sector: |
N/A |
| Level
II Sector: |
N/A |
| Level
III Sector: |
N/A |
|
Member Indexes:
|
Rankings:
|
|
| Insider 3 Months : - |
| Insider 6 Months : - |
| Insider 3/6 Months : - |
|
| Guru Rank Number : - |
| Guru Rank Value : - |
| Guru Occurances : - |
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Company Profile ACM Research supplies capital equipment developed for the semiconductor industry. Co.'s tools are use in fabricating foundry, logic and memory chips, including dynamic random-access memory and 3D NAND-flash memory chips. Co. also develops, manufactures and sells a range of packaging tools to wafer assembly and packaging customers. Co.'s technology and product include: Single Wafer Wet Cleaning Equipment for Front End Production Processes, which consist of its proprietary Space Alternated Phase Shift, Timely Energized Bubble Oscillation and Single-Wafer Tools for Back-End Assembly and Packaging, which provides a range of single-wafer tools for back-end wafer assembly and packaging factories.
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D/I:
|
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|
D
is for direct shares.
I is
for indirect shares.
D/I
refers to the Direct or Indirect
shares traded vs. held. |
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Forms:
|
|
|
A
Form 4 is a form filed
by an insider to indicate a change
in ownership.
A Form
3 is a form filed by
an insider to indicate an
initial ownership of a security. |
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3m +/-:
|
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|
This
represents the company's 3 month
price change. The initial price
is based on the closing price
of the stock on the day the transaction
took place. Purchases & sales
are viewed as long & short
positions respectively.
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|
Actions:
|
|
|
| B |
Buy |
| S |
Sell |
| OE |
Option
Exercised |
| A |
Acquired |
| D |
Disposed |
| AB |
Automatic
Buy |
| AS |
Automatic
Sell |
| IO |
Initial
Ownership |
|
|
|
|
Download:
|
|
|
Download only Transactions
Forms. (Default)
Download
only Summary Infomation.
Download
both Transactions and Summary Data
|
|
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| |
| |
Summary (Direct Transactions Only)  |
3 Months |
6 Months |
12 Months |
24 Months |
| Total Shares Bought |
0 |
0 |
0 |
0 |
| Total Buy Value |
$0 |
$0 |
$0 |
$0 |
| Total People Bought |
0 |
0 |
0 |
0 |
| Total Buy Transactions |
0 |
0 |
0 |
0 |
| Total Shares Sold |
175,000 |
509,077 |
3,000,096 |
4,222,672 |
| Total Sell Value |
$4,269,804 |
$13,768,002 |
$67,727,511 |
$93,412,326 |
| Total People Sold |
3 |
6 |
9 |
11 |
| Total Sell Transactions |
5 |
12 |
32 |
64 |
| End Date |
2025-05-18 |
2025-02-14 |
2024-08-16 |
2023-08-17 |
|
| Filer's Name |
Relation Title |
Off-Dir-10% |
Tran. Date |
Form |
Action |
Price |
Mkt Value |
D/I |
Shares |
Holdings |
Rank
|
|
|
| 3m +/- |
|
|
Form |
  Liu Tracy |
|
• • – |
2025-07-15 |
4 |
AS |
$30.00 |
$450,000 |
D/D |
(15,000) |
110,772 |
|
-15% |
|
| Liu Tracy |
|
• • – |
2025-07-15 |
4 |
OE |
$1.00 |
$15,000 |
D/D |
15,000 |
125,772 |
|
- |
|
| Feng Lisa |
See remarks |
• • – |
2025-07-07 |
4 |
AS |
$28.00 |
$420,000 |
D/D |
(15,000) |
50,001 |
|
-11% |
|
| Feng Lisa |
See remarks |
• • – |
2025-07-07 |
4 |
OE |
$5.60 |
$84,000 |
D/D |
15,000 |
65,001 |
|
- |
|
| Feng Lisa |
See remarks |
• • – |
2025-06-24 |
4 |
AS |
$26.00 |
$390,000 |
D/D |
(15,000) |
50,001 |
|
-4% |
|
| Feng Lisa |
See remarks |
• • – |
2025-06-24 |
4 |
OE |
$5.60 |
$84,000 |
D/D |
15,000 |
65,001 |
|
- |
|
| Wang David H |
See Remarks |
• • • |
2025-05-22 |
4 |
AS |
$22.63 |
$1,357,800 |
D/D |
(60,000) |
672,708 |
|
11% |
|
| Wang David H |
See Remarks |
• • • |
2025-05-22 |
4 |
OE |
$1.00 |
$60,000 |
D/D |
60,000 |
732,708 |
|
- |
|
| Wang David H |
See Remarks |
• • • |
2025-05-21 |
4 |
AS |
$23.60 |
$1,652,004 |
D/D |
(70,000) |
672,708 |
|
9% |
|
| Wang David H |
See Remarks |
• • • |
2025-05-21 |
4 |
OE |
$1.00 |
$70,000 |
D/D |
70,000 |
742,708 |
|
- |
|
| Mckechnie Mark |
See Remarks |
• • – |
2025-05-14 |
4 |
AS |
$25.22 |
$378,300 |
D/D |
(15,000) |
900 |
|
-1% |
|
| Mckechnie Mark |
See Remarks |
• • – |
2025-05-14 |
4 |
OE |
$5.60 |
$84,000 |
D/D |
15,000 |
15,900 |
|
- |
|
| Hu Chenming |
|
• • – |
2025-03-17 |
4 |
AS |
$30.00 |
$4,899,240 |
D/D |
(163,308) |
100,002 |
|
-0% |
|
| Dun Haiping |
|
• • – |
2025-03-14 |
4 |
AS |
$28.32 |
$275,976 |
D/D |
(9,518) |
755,090 |
|
2% |
|
| Wang David H |
See Remarks |
• • • |
2025-03-13 |
4 |
AS |
$27.29 |
$1,023,742 |
D/D |
(37,500) |
672,708 |
|
10% |
|
| Wang David H |
See Remarks |
• • • |
2025-03-12 |
4 |
AS |
$27.42 |
$1,028,250 |
D/D |
(37,500) |
710,208 |
|
8% |
|
| Wang David H |
See Remarks |
• • • |
2025-03-11 |
4 |
AS |
$26.57 |
$1,494,563 |
D/D |
(56,250) |
747,708 |
|
13% |
|
| Dun Haiping |
|
• • – |
2025-03-10 |
4 |
AS |
$26.54 |
$398,127 |
D/D |
(15,001) |
764,608 |
|
15% |
|
| Dun Haiping |
|
• • – |
2025-03-03 |
4 |
D |
$25.94 |
$12,503 |
D/D |
(482) |
779,609 |
|
- |
|
| Dun Haiping |
|
• • – |
2025-03-03 |
4 |
OE |
$0.50 |
$12,501 |
D/D |
25,001 |
780,091 |
|
- |
|
| Wang David H |
See Remarks |
• • • |
2025-03-03 |
4 |
D |
$25.94 |
$105,005 |
D/D |
(4,048) |
803,958 |
|
- |
|
| Wang David H |
See Remarks |
• • • |
2025-03-03 |
4 |
OE |
$0.50 |
$105,000 |
D/D |
210,000 |
808,006 |
|
- |
|
| Cheav Sotheara |
See remarks |
• • – |
2025-02-06 |
4 |
AS |
$23.00 |
$519,754 |
D/D |
(22,598) |
100,002 |
|
10% |
|
| Cheav Sotheara |
See remarks |
• • – |
2025-02-06 |
4 |
OE |
$13.89 |
$313,886 |
D/D |
22,598 |
122,600 |
|
- |
|
| Mckechnie Mark |
See Remarks |
• • – |
2025-02-06 |
4 |
AS |
$22.00 |
$330,000 |
D/D |
(15,000) |
900 |
|
10% |
|
242 Records found
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Page 1 of 10 |
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0.46 (1.81%) 
