system
A chat on subreddit /r/wallstreetbets
human
SEC is limited to ill-gotten gains, interest, and monetary penalties. SEC can turn criminal cases over to the US attorney, which in this case they already have. This guy will likely pay $300k back on his $100k gain. He probably won't get a ton of jail time.

gpt
He will get more time than the losers who torched the economy since the 1980's.