Liu Tracy
SEC Form 4 insider trading activity
Liu Tracy has filed 2 SEC Form 4 filings (8 transaction rows) across 1 company, with disclosures dating back to 2025. 1 of those filings fall inside the rolling window. Most recent filing: Mar 12, 2026.
On the most recent filing, Liu Tracy is listed as Director at ACM Research, Inc. Inside the rolling window, Liu Tracy reported no open-market purchases and 2 open-market sales totaling $2.9M in ACMR. The largest disclosed transaction in the window is a sale of 45,000 ACMR shares on Mar 10, 2026, worth $2.1M.
Companies traded
Other insiders at ACMR
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$2.9M
reported sales (SEC code S)
Companies
1
in the rolling window
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
| Date | Ticker | Type | Value |
|---|---|---|---|
| Sep 17, 2025 | ACMR | Sale | $495K |
Frequently asked questions
How many SEC Form 4 filings has Liu Tracy made?
Liu Tracy has filed 2 SEC Form 4 filings (8 transaction rows) across 1 company since 2025.
Which companies does Liu Tracy trade?
Liu Tracy has filed SEC Form 4 disclosures for 1 company, including ACMR.
When was Liu Tracy's most recent SEC Form 4 filing?
Liu Tracy's most recent SEC Form 4 filing on Tracefour is dated Mar 12, 2026.
What is Liu Tracy's total buy and sell value in the current window?
Inside the rolling retention window, Liu Tracy bought $0 and sold $2.9M based on SEC Form 4 filings.
What was Liu Tracy's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 45,000 ACMR shares on 2026-03-10, worth $2.1M, per SEC Form 4 filings.