InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (1 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
1
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the detailed record of transactions filed by Pappis Charles C, Director. Director active across 1 company, notably ACM Research, Inc.. In total, 3 filings have been logged. Breakdown: 0 buy · 1 sell. Total volume traded: €221k. Activity tracked since 17 April 2026. The latest transaction was filed on 17 April 2026 (Levée d'options). Regulator: SEC (Form 4). The full history is free.
Declarations3 total
5,000 shares@ US$29.180.0019% mcap50.0% of flowClass A Common StockSEC:0001140361-26-015915
5,000 shares@ US$29.180.0029% mcap50.0% of flowClass A Common StockSEC:0001140361-26-015915:0
5,000 shares@ US$52.000.0034% mcap47.1% of flowClass A Common StockSEC:0001140361-26-015915:1
3 of 3 declarations
About Pappis Charles C
Charles C. Pappis is a Director at ACM Research, Inc. He brings his expertise to the governance of the company, playing a key role in its strategy and development.
