The imbroglio involves coaches, managers, financial advisors and representatives of sportswear companies.
Zukerman was driven by "unmitigated greed," a prosecutor said.
It all started when the guard received a company email spelling out the terms of an impending takeover of Heinz.
The three targeted at least seven major international law firms that had been retained by companies to advise on deals.
A millennial boyfriend-and-girlfriend coupleis accused of trading on inside information about Apollo Global.
The informant spent more than two years cooperating with the SEC and FBI.