ACM Research, Inc. Class A Common Stock

ACMR · Technology · ACM Research, Inc., together with its subsidiaries, develops, manufactures, and sells capital equipment in Mainland China and international…

ACM Research, Inc. Class A Common Stock (ACMR), in the Technology sector, has 17 disclosed filings on Paydirt over the trailing twelve months from 8 corporate insiders: 0 purchases and 17 sales. Filers took a median of 2 days from execution to disclosure, and the most recent trade was executed Sep 9 and filed Sep 10. The most active filer was David H Wang with 10 filings.

Add to watchlist

Filings, ttm

0 buys · 17 sells

Traders, ttm

8 insiders

Volume, ttmiDollar value disclosed in the window

$50.3M

estimated for Congress, as filed for insiders

Median delay

execution to disclosure

Last traded

Sep 9

Filed Sep 10

ADViAverage daily dollar volume

$117.5M

market data

Share price · 12M

$74.42 (+102.9%)

Adjusted for splits and dividends.

Volume by month

Buys $0 Sells $125.2M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed

David H Wang See Remarks 10 filings HD

Haiping Dun Director 7 filings MM

Mark McKechnie See Remarks 7 filings SC

Sotheara Cheav See remarks 4 filings LF

Lisa Feng See remarks 4 filings TL

Tracy Liu Director 3 filings CP

Charles C Pappis Director 2 filings JW

Jian Wang See remarks 2 filings

Recent filings

David H WangSALE See Remarks $10.5M
138,900 sh across 8 lots
Exec Sep 8
Filed Sep 10 · 4:30 PM ET Mark McKechnieSALE See Remarks $4.3M
55,199 sh across 3 lots
Exec Aug 20
Filed Aug 21 · 9:30 PM ET Haiping DunSALE Director $276K
3,400 sh × $81.31
Exec Aug 18
Filed Aug 20 · 4:30 PM ET David H WangSALE See Remarks $8.8M
99,176 sh across 10 lots
Exec Jun 3
Filed Jun 5 · 5:30 PM ET Sotheara CheavSALE See remarks $1.5M
17,382 sh across 5 lots
Exec Jun 4
Filed Jun 5 · 5:30 PM ET Haiping DunSALE Director $125K
1,858 sh × $67.54
Exec May 19
Filed May 21 · 5:30 PM ET Charles C PappisSALE Director $260K
5,000 sh × $52.00
Exec Apr 17
Filed Apr 21 · 5:30 PM ET David H WangSALE See Remarks $5.1M
109,298 sh across 4 lots
Exec Mar 11
Filed Mar 13 · 5:30 PM ET Mark McKechnieSALE See Remarks $4.4M
97,005 sh across 4 lots
Exec Mar 12
Filed Mar 13 · 5:30 PM ET Tracy LiuSALE Director $2.9M
60,000 sh across 4 lots
Exec Mar 10
Filed Mar 12 · 5:30 PM ET Haiping DunSALE Director $178K
4,100 sh × $43.37
Exec Mar 9
Filed Mar 11 · 5:30 PM ET Lisa FengSALE See remarks $1.4M
29,800 sh across 3 lots
Exec Mar 5
Filed Mar 9 · 5:30 PM ET Charles C PappisSALE Director $250K
5,000 sh × $50.09
Exec Mar 5
Filed Mar 9 · 5:30 PM ET Mark McKechnieSALE See Remarks $1.1M
30,254 sh across 2 lots
Exec Dec 4 2025
Filed Dec 8 2025 · 5:30 PM ET David H WangSALE See Remarks $4.3M
128,800 sh across 3 lots
Exec Dec 3 2025
Filed Dec 5 2025 · 5:30 PM ET Fuping ChenSALE See remarks $4.0M
119,700 sh across 2 lots
Exec Dec 2 2025
Filed Dec 4 2025 · 5:30 PM ET Lisa FengSALE See remarks $998K
30,000 sh across 2 lots
Exec Nov 12 2025
Filed Nov 14 2025 · 5:30 PM ET Jian WangSALE See remarks $1.1M
30,000 sh × $35.00
Exec Sep 18 2025
Filed Sep 19 2025 · 5:30 PM ET Tracy LiuSALE Director $495K
15,000 sh × $33.00
Exec Sep 17 2025
Filed Sep 19 2025 · 5:30 PM ET Sotheara CheavSALE See remarks $350K
10,000 sh × $35.00
Exec Sep 18 2025
Filed Sep 19 2025 · 5:30 PM ET David H WangSALE See Remarks $3.5M
130,000 sh across 3 lots
Exec Sep 3 2025
Filed Sep 5 2025 · 5:30 PM ET Jian WangSALE See remarks $1.9M
60,000 sh across 2 lots
Exec Aug 22 2025
Filed Aug 26 2025 · 5:30 PM ET Sotheara CheavSALE See remarks $335K
11,152 sh × $30.00
Exec Aug 22 2025
Filed Aug 26 2025 · 5:30 PM ET Tracy LiuSALE Director $450K
15,000 sh × $30.00
Exec Jul 15 2025
Filed Jul 17 2025 · 5:30 PM ET Lisa FengSALE See remarks $420K
15,000 sh × $28.00
Exec Jul 7 2025
Filed Jul 9 2025 · 5:30 PM ET