Invesco Unit Trusts Taxable Income Series 641: 485BPOS filed Jan 26, 2026

Name: Invesco Unit Trusts Taxable Income Series 641 485BPOS (0001528621-26-000086)
Creator: Invesco Unit Trusts Taxable Income Series 641
Published: 2026-01-26

Form type: 485BPOS
Filing date: Jan 26, 2026
Accession number: 0001528621-26-000086
Filer: Invesco Unit Trusts Taxable Income Series 641 (CIK 1686061)