0001062993-23-004028 4 1 20230215 20230217 20230217 HORN CHARLES L 0001326952 4 34 001-40776 23642551 BUILDERS FIRSTSOURCE INC. 2001 BRYAN STREET, SUITE 1600 DALLAS TX 75201 Loyalty Ventures Inc. 0001870997 7389 871353472 DE 1231 8235 DOUGLAS AVENUE SUITE 1200 DALLAS TX 75225 (972) 338-5170 8235 DOUGLAS AVENUE SUITE 1200 DALLAS TX 75225 4 1 form4.xml STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES