Invesco Unit Trusts Taxable Income Series 640: 485BPOS filed Dec 20, 2024

Name: Invesco Unit Trusts Taxable Income Series 640 485BPOS (0001528621-24-001387)
Creator: Invesco Unit Trusts Taxable Income Series 640
Published: 2024-12-20

Form type: 485BPOS
Filing date: Dec 20, 2024
Accession number: 0001528621-24-001387
Filer: Invesco Unit Trusts Taxable Income Series 640 (CIK 1686060)