A flurry of unusual options trades were made a day before Berkshire Hathaway and PE firm 3G Capital agreed to buy Heinz.
Last week, the SEC announced it had frozen a Swiss bank account allegedly linked to a $1.7 million gain from the trades.
“The F.B.I. is consulting with the S.E.C. to see if a crime was committed,” an F.B.I. spokesman told Protess.