The disclosure, made in a court filing this week, is a sign that the pillow magnate and leading supporter of the election denial movement is facing financial stress.
A key figure in a multistate effort to overturn the 2020 election, Mr. DePerno lost his race for Michigan attorney general in 2022. He later finished second to lead the state’s Republican Party.
An arbitration panel ruled that the MyPillow founder had failed to pay a computer software expert who disproved his false election claims as part of a contest.