X0306 4 2015-11-16 0 0001633931 TopBuild Corp BLD 0001275621 CANTIE JOSEPH S C/O TOPBUILD CORP. 260 JIMMY ANN DRIVE DAYTONA BEACH FL 32114 1 0 0 0 Common Stock 2015-11-16 4 P 0 3500 28.68 A 3500 I By The Joseph S. Cantie Trust Common Stock 2015-11-17 4 P 0 3500 28.50 A 7000 I By The Joseph S. Cantie Trust Common Stock 2015-11-18 4 P 0 1750 28.50 A 8750 I By The Joseph S. Cantie Trust Common Stock 2770 D The transaction reported herein includes sales at a range of prices from $28.65 to $28.70. The reporting person undertakes to provide on request detailed breakouts in order that the SEC Staff, the issuer or any security holder of the issuer can receive full information regarding the number of shares sold at each separate price. The reporting person is the trustee of the trust. The reporting person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein. /s/ Michelle A. Friel, Attorney-in-Fact 2015-11-18