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ACM Research, Inc.

ACMR Net selling
CIK 0001680062 #1301 in the set updated 17 Sep 2026
Bought (120 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$244.77M
$79.83M on a plan · $86.31M straight out of an exercise
Sold at will
$78.64M
45 of 253 sales
Net
−$244.77M
−$78.64M against sales at will

By person

14 insiders · 300 transactions
502×

David H. Wang holds 502 times base salary in stock. $134.70M of shares against $267.80K in salary for 2025.

Salary from the company's own proxy. The shares are what David H. Wang last reported holding, valued at $77.59, the price Class A Common Stock was last bought or sold at on the open market here, on 9 Sep 2026.

Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Wang David H
See Remarks
$79.97M (65) scheduled
−$79.97M
1,736,045
$134.70M
+25.1%
Xiang Yinan
Director
$43.39M (19)
−$43.39M
1,146,170
$88.93M
−31.2%
Shanghai Science & Technology Venture Capital (Group) Co., Ltd. entity
10% owner
$24.21M (8) scheduled
−$24.21M
2,338,510
$181.44M
−32.0%
Xing Xiao
Director
$24.21M (8) scheduled
−$24.21M
2,338,510
$181.44M
−32.0%
McKechnie Mark
See Remarks
$16.14M (43) scheduled
−$16.14M
900
$69.83K
+50.0%
Cheav Sotheara
See remarks
$10.24M (27) scheduled
−$10.24M
100,002
$7.76M
−7.2%
Dun Haiping
Director
$9.67M (33) scheduled
−$9.67M
0
$0.00
−100.0%
Chen Fuping
See remarks
$9.16M (5) scheduled
−$9.16M
0
$0.00
−100.0%
Hu Chenming
Director
$8.59M (5) scheduled
−$8.59M
100,002
$7.76M
−49.4%
Wang Jian
See remarks
$8.15M (9) scheduled
−$8.15M
253,158
$19.64M
0.0%
Feng Lisa
See remarks
$5.29M (16) scheduled
−$5.29M
50,001
$3.88M
+24.1%
Liu Tracy
Director
$5.24M (13) scheduled
−$5.24M
110,772
$8.59M
+45.3%
Pappis Charles C
Director
$510.45K (2) scheduled
−$510.45K
0
$0.00
Chen Fufa
See Remarks
129,583
$10.05M
+76.7%

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Nothing of that kind in this period.

What was left out

Form 4 filings counted 219
Amendments (4/A) skipped 16
Filings about a different issuer 0
Unreadable filings 0
Joint filings 2
Sales on a Rule 10b5-1 plan 57
Sales straight out of an exercise 151
Sales at will 45
Transactions with no price 0
Shares from compensation/vesting 6,671,043
Sales filed before the plan box existed 42
History held since 17 May 2018