InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
0
T+90 hit rate
67%
T+90 mean return
+21.5%
Across 3 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the detailed record of transactions filed by Liu Tracy, Director. Officer active across 1 company, notably ACM Research, Inc.. In total, 5 reports have been published. History available since 20 November 2023. The latest transaction was filed on 10 March 2026 (Levée d'options). Regulator: SEC (Form 4). All data is free.
Declarations5 total
45,000 shares@ US$1.000.0006% mcap50.0% of flowClass A Common StockSEC:0001140361-26-009239
45,000 shares@ US$1.000.0009% mcap50.0% of flowClass A Common StockSEC:0001140361-26-009239:0
12,500 shares@ US$5.6022.0% of flowClass A Common StockSEC:0001140361-24-010869:0
10,000 shares@ US$5.6017.3% of flowClass A Common StockSEC:0001140361-23-059932:0
15,000 shares@ US$7.3634.4% of flowClass A Common StockSEC:0001140361-23-054444:0
5 of 5 declarations
About Liu Tracy
Tracy Liu is a Board Member at ACM Research, Inc. She provides valuable expertise in corporate governance and strategy. Her role on the board is crucial for guiding strategic decisions and ensuring regulatory compliance. Tracy Liu is recognized for her ability to assess market opportunities and advise on best management practices.
