SEC EDGAR Filings04/09 15:22 UTC497J - GUGGENHEIM DEFINED PORTFOLIOS, SERIES 2578Filed: 2026-04-09 AccNo: 0001528621-26-000352 Size: 3 KBRegulatory UpdateGUGGENHEIM DEFINED PORTFOLIOS, SERIES 2578U.S. Securities and Exchange Commission热度 102.1重要度 32情绪 0.00