Van Kampen Unit Trusts Taxable Income Series 422: 485BPOS filed Feb 26, 2026

Name: Van Kampen Unit Trusts Taxable Income Series 422 485BPOS (0001528621-26-000203)
Creator: Van Kampen Unit Trusts Taxable Income Series 422
Published: 2026-02-26

Form type: 485BPOS
Filing date: Feb 26, 2026
Accession number: 0001528621-26-000203
Filer: Van Kampen Unit Trusts Taxable Income Series 422 (CIK 1547597)