ACM Research, Inc.

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

$0.00

−100.0%

Chen Fuping

See remarks

—

$9.16M (5) scheduled

−$9.16M

$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

$0.00

—

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.

Individual transactions

Insider

Date

Role

Action

Price

Amount

Dun Haiping

22 Aug 2023

Director

Sell

32,098

$13.85

$444.56K

Dun Haiping

1 Jun 2023

Director

Sell

37,500

$10.00

$375.00K

Dun Haiping

16 Mar 2023

Director

Sell

37,500

$12.06

$452.25K

Dun Haiping

30 Nov 2022

Director

Sell

35,327

$8.43

$297.81K

Dun Haiping

22 Aug 2022

Director

Sell

36,537

$16.10

$588.25K

Cheav Sotheara

18 Aug 2022

See remarks

Sell

10,000

$17.50

$175.00K

Dun Haiping

27 May 2022

Director

Sell

36,150

$15.00

$542.25K

Xiang Yinan

24 Aug 2021

Director

Sell indirect

11,629

$88.97

$1.03M

Xiang Yinan

24 Aug 2021

Director

Sell indirect

200,000

$88.11

$17.62M

Xiang Yinan

24 Aug 2021

Director

Sell indirect

33,000

$86.08

$2.84M

Xiang Yinan

23 Aug 2021

Director

Sell indirect

35,136

$85.03

$2.99M

Xiang Yinan

18 Aug 2021

Director

Sell indirect

1,476

$86.28

$127.34K

Xiang Yinan

18 Aug 2021

Director

Sell indirect

25,136

$85.06

$2.14M

Xiang Yinan

13 Aug 2021

Director

Sell indirect

3,623

$85.10

$308.31K

Xiang Yinan

12 Aug 2021

Director

Sell indirect

20,000

$85.33

$1.71M

Xiang Yinan

11 Aug 2021

Director

Sell indirect

2,500

$90.05

$225.12K

Xiang Yinan

11 Aug 2021

Director

Sell indirect

1,600

$89.17

$142.68K

Xiang Yinan

11 Aug 2021

Director

Sell indirect

358

$86.15

$30.84K

Xiang Yinan

11 Aug 2021

Director

Sell indirect

25,542

$85.53

$2.18M

Cheav Sotheara

9 Apr 2021

See remarks

Sell

13,111

$86.64

$1.14M

Wang David H

19 Mar 2021

See remarks

Sell

49,228

$90.55

$4.46M

Wang David H

18 Mar 2021

See remarks

Sell

50,000

$91.92

$4.60M

Showing 250 of 300 transactions. The figures above use every one of them.

By person

Individual transactions

What was left out