X0609 4 2026-07-01 1 0001633931 QXO Insulation, LLC BLD 0001310176 Petrarca Mark A false C/O TOPBUILD CORP. 475 NORTH WILLIAMSON BOULEVARD DAYTONA BEACH FL 32114 true false false false 0 Common Stock 2026-07-01 4 D 0 14725 0 D 343 D Common Stock 2026-07-01 4 D 0 343 0 D 0 D Pursuant to the Agreement and Plan of Merger, dated as of April 18, 2026 (the "Merger Agreement), QXO, Inc. ("QXO") acquired TopBuild Corp. ("TopBuild") in a merger transaction (the "Merger") which became effective on July 1, 2026. At the effective time of the Merger (the "Effective Time"), each share (other than certain excluded shares, cancelled shares and dissenting shares) of TopBuild common stock was converted into the right to receive, at the holder's election, one of the following forms of merger consideration, after giving effect to proration as described in the Merger Agreement: (i) approximately $249.71 in cash and 10.211 shares of QXO common stock, subject to final calculations by the exchange agent (the "Cash Consideration"); or (ii) 20.200 shares of QXO common stock (the "Stock Consideration"). The reporting person elected the Cash Consideration. Represents shares of TopBuild common stock underlying restricted stock awards. Restricted stock awards vested in accordance with the terms of the Merger Agreement immediately prior to the Effective Time. /s/ Luis F. Machado, Attorney-in-Fact 2026-07-01