TL
Insider
Tracy Liu
DirectorTracy Liu (Director) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in ACM Research, Inc. Class A Common Stock (ACMR). The largest single filing was $2.9M of ACMR (60,000 sh across 4 lots, as filed), executed Mar 10.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
1
0 buys · 1 sells
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$2.9M
shares × price, as filed
Last traded
Mar 11
Filed Mar 12
Median ADV $117.5M across their filed names
Open performance→Volume by month
Buys $0
Sells $3.8M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Technology
1 filing
Sector per market data · by filing · past 12 months
Most traded names
ACMRRecent filings
ACMRSALE
ACM Research, Inc. Class A Common Stock
View filing →
$2.9M60,000 sh across 4 lots
Exec Mar 10
Filed Mar 12 · 5:30 PM ET ACMRSALE ACM Research, Inc. Class A Common Stock View filing → $495K
15,000 sh × $33.00
Exec Sep 17 2025
Filed Sep 19 2025 · 5:30 PM ET ACMRSALE ACM Research, Inc. Class A Common Stock View filing → $450K
15,000 sh × $30.00
Exec Jul 15 2025
Filed Jul 17 2025 · 5:30 PM ET