InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
OtherDisclosed buys
0
Disclosed sells
0
T+90 hit rate
100%
T+90 mean return
+15.7%
Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the complete record of transactions filed by Chen Fuping, See remarks. Director active across 1 company, notably ACM Research, Inc.. In total, 3 filings have been published. History available since 23 August 2023. The latest transaction was filed on 2 December 2025 (Levée d'options). Regulator: SEC (Form 4). All data is accessible without signup.
Declarations3 total
100,000 shares@ US$1.7750.0% of flowClass A Common StockSEC:0001140361-25-044360
100,000 shares@ US$1.770.0036% mcap50.0% of flowClass A Common StockSEC:0001140361-25-044360:0
96,165 shares@ US$1.0022.5% of flowClass A Common StockSEC:0001140361-23-041326:0
3 of 3 declarations
