8-K: Stonepeak-Plus Infrastructure Fund sells $52,742,330 in unregistered units on September 1, 2026

The Fund sold 1,530,354 Class Z units across six series for aggregate consideration of approximately $52,742,330, with Class Z - Series M-S accounting for 724,902 units and $25,389,481. In September 2026, SP+ INFRA inclusive of the Fund sold interests for aggregate consideration of approximately $260,078,871. Since inception on May 2, 2025, SP+ INFRA has sold interests for aggregate consideration of approximately $1,916,017,455, consisting of $1,716,031,527 of cash and $199,985,928 of assets contributed by affiliates of the Investment Advisor in exchange for Class X Units. The sales were made in a continuous private offering exempt under Section 4(a)(2) and Regulation D.

The Fund sold 1,530,354 Class Z units across six series for aggregate consideration of approximately $52,742,330, with Class Z - Series M-S accounting for 724,902 units and $25,389,481. In September 2