Former President Donald Trump pumps his fist as he arrives for a GOP fundraiser in Palm Beach, Florida. (AP Photo/Lynne Sladky)
"We thought it would be an easy procedure that wouldn't involve other legal problems and it's not turning out that way. We probably didn't charge enough," Hankey told the outlet.
The billionaire — who supported Trump in 2016 and is backing his re-election — said he has faced intense scrutiny from New York Attorney General Letitia James' office and other officials.
Hankey told Reuters, "We have been getting a lot of emails, a lot of phone calls. Maybe that's part of the reason he had trouble with other insurance companies."
Former US President Donald Trump during a campaign event in Green Bay, Wisconsin. (Daniel Steinle)
The billionaire said Trump provided collateral for the bond in cash held by a brokerage firm.
"I don't know if it came from Donald Trump or from Donald Trump and supporters," Hankey said.
Jury selection for the civil fraud trial is expected to begin on April 15.
Timothy Nerozzi is a writer for Fox News Digital. You can follow him on Twitter @timothynerozzi and can email him at timothy.nerozzi@fox.com
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