X0708 D/A LIVE 0002107877 USEDC Opportunity Zone IV LP 601 E. EXCHANGE AVE. SUITE 100 FORT WORTH TX TEXAS 76164 682-305-2868 DELAWARE None None Limited Partnership true 2026 N/A U.S. Energy Development Corporation 601 E. Exchange Ave. Suite 100 Fort Worth TX TEXAS 76164 Executive Officer Managing General Partner of the Issuer. Matthew P. Iak 601 E. Exchange Ave. Suite 100 Fort Worth TX TEXAS 76164 Executive Officer Director Promoter Officer and Director of the Managing General Partner of the Issuer. Jordan Jayson 601 E. Exchange Ave. Suite 100 Fort Worth TX TEXAS 76164 Executive Officer Director Promoter Officer and Director of the Managing General Partner of the Issuer. Oil and Gas No Revenues 06c true 0002107877-26-000001 2026-09-29 false true true Limited Partnership Interest. false 100000 MARK FRIESE 2331825 AMERITAS INVESTMENT COMPANY, LLC 14869 5900 O Street Lincoln NE NEBRASKA 68510 IL ILLINOIS false 100000000 300000 99700000 false 0 8000000 true 0 Dealer Manager Fee of up to 1.5%; Sales Commission of up to 5.5%; Due Diligence Fee of up to 0.5%; Marketing Expense Fee of up to 0.5%. 300000 true 0.3% Organization Charge payment to the Managing General Partner of the Issuer. false USEDC Opportunity Zone IV LP /s/ Matthew P. Iak Matthew P. Iak President of Capital Markets of the Managing General Partner 2026-10-05