( June 29, 2026, 1:53 PM EDT) -- PITTSBURGH — A Pittsburgh-based corporation and the U.S. government filed supplemental briefs in a Pennsylvania federal court over whether a recent U.S. Supreme Court ruling supports the corporation’s renewed challenge to more than $6.5 million in promoter penalties tied to a purported captive insurance program, with the corporation arguing that the IRS assessment process denied it a preassessment jury trial and the government arguing that later de novo jury review preserves the penalty framework....