SCHEDULE 13G

First Trust Exchange-Traded Fund IV

First Trust Commercial Mortgage Opportunities ETF · CUSIP: 33738D762

Event date: 2025-03-31

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: 35,808.00 · Class: 7.16%

• First Trust Advisors L.P.

  Shares: 35,808.00 · Class: 7.16%

• The Charger Corporation

  Shares: 35,808.00 · Class: 7.16%

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