SCHEDULE 13G/A

FIRST TR EXCH TRD ALPHDX FD

First Trust United Kingdom AlphaDEX(R) Fund · CUSIP: 33737J224

Event date: 2025-09-30

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• First Trust Portfolios L.P.

  Shares: 703,373.00 · Class: 46.89%

• First Trust Advisors L.P.

  Shares: 703,373.00 · Class: 46.89%

• The Charger Corporation

  Shares: 703,373.00 · Class: 46.89%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.