Van Kampen Unit Trusts Taxable Income Series 378: 497J filed Jul 1, 2026

Name: Van Kampen Unit Trusts Taxable Income Series 378 497J (0001528621-26-000691)
Creator: Van Kampen Unit Trusts Taxable Income Series 378
Published: 2026-07-01

Form type: 497J
Filing date: Jul 1, 2026
Accession number: 0001528621-26-000691
Filer: Van Kampen Unit Trusts Taxable Income Series 378 (CIK 1524266)