Guggenheim Defined Portfolios, Series 2578: 497J filed Apr 9, 2026

Name: Guggenheim Defined Portfolios, Series 2578 497J (0001528621-26-000352)
Creator: Guggenheim Defined Portfolios, Series 2578
Published: 2026-04-09

Form type: 497J
Filing date: Apr 9, 2026
Accession number: 0001528621-26-000352
Filer: Guggenheim Defined Portfolios, Series 2578 (CIK 2101823)