InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Discover the detailed record of transactions filed by Pappis Charles C, Director. Director active across 1 companies, notably ACM Research, Inc.. In total, 2 filings have been logged. The latest transaction was filed on 17 April 2026 — Levée d'options. Regulator: SEC (Form 4). All data is openly available.
Declarations2 total
US$123,8255,000 shares@ US$24.76510.0029% mcap100.0% of flow
Class A Common Stock
SEC:0001140361-26-015915·
€123,8255,000 shares@ €24.76510.0029% mcap50.0% of flow
Class A Common Stock
SEC:0001140361-26-015915:0·
2 of 2 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.
