In the days before the Trump Media deal became public, there was a surge in trading in a type of security known as warrants, which entitled investors to buy shares of Digital World at a preset price in the future.
Federal prosecutors and regulators are now investigating the merger between Digital World and Trump Media, including the frenzied trading in the SPAC’s warrants, according to people familiar with the investigation and public disclosures. Digital World said in a recent regulatory filing that a federal grand jury in Manhattan had issued subpoenas seeking information about Rocket One, among other things.
Source: Word of Trump Media Deal Is Said to Have Leaked Months in Advance – The New York Times