CUBI – 8-K May 28, 2026 In SEC https://www.sec.gov/Archives/edgar/data/1488813/000148881326000073/0001488813-26-000073-index.htm #CUBI KBRA Assigns Preliminary Ratings to New Residential Mortgage Loan Trust 2026-NQM7 (NRMLT 2026-NQM7) SB – 6-K