Invesco Unit Trusts Taxable Income Series 641: 497J filed Feb 2, 2026

Name: Invesco Unit Trusts Taxable Income Series 641 497J (0001528621-26-000111)
Creator: Invesco Unit Trusts Taxable Income Series 641
Published: 2026-02-02

Form type: 497J
Filing date: Feb 2, 2026
Accession number: 0001528621-26-000111
Filer: Invesco Unit Trusts Taxable Income Series 641 (CIK 1686061)