The first defendant named in the SEC’s case is Roger Knox, a British citizen who lives in France. According to the SEC, Mr Knox was a client of Mr Gastauer who ran a Swiss asset manager called Silverton, later named Wintercap. The SEC alleged that between 2015 and 2018 Mr Knox — who is also known as “Rocket” Knox — ran an operation to enable corporate insiders at public companies to fraudulently sell their stock.

https://www.ft.com/content/82d17d1e-cae2-11e8-b276-b9069bde0956