0001209191-21-004350.txt : 20210120 0001209191-21-004350.hdr.sgml : 20210120 20210120165853 ACCESSION NUMBER: 0001209191-21-004350 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210115 FILED AS OF DATE: 20210120 DATE AS OF CHANGE: 20210120 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: ALEXANDER MARK A CENTRAL INDEX KEY: 0001212607 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-51357 FILM NUMBER: 21539367 MAIL ADDRESS: STREET 1: ALEXANDER INVESTORS LLC STREET 2: 16 PINE GLEN DRIVE CITY: BLAUVELT STATE: NY ZIP: 10913 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Builders FirstSource, Inc. CENTRAL INDEX KEY: 0001316835 STANDARD INDUSTRIAL CLASSIFICATION: RETAIL-LUMBER & OTHER BUILDING MATERIALS DEALERS [5211] IRS NUMBER: 522084569 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 2001 BRYAN STREET, SUITE 1600 CITY: DALLAS STATE: TX ZIP: 75201 BUSINESS PHONE: (214) 880-3500 MAIL ADDRESS: STREET 1: 2001 BRYAN STREET, SUITE 1600 CITY: DALLAS STATE: TX ZIP: 75201 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2021-01-15 0 0001316835 Builders FirstSource, Inc. BLDR 0001212607 ALEXANDER MARK A C/O BUILDERS FIRSTSOURCE, INC. 2001 BRYAN ST., SUITE 1600 DALLAS TX 75201 1 0 0 0 Common Stock, par value $0.01 per share 2021-01-15 4 A 0 1660 0.00 A 27367 D Reflects the acquisition of restricted stock units pursuant to the Corporation's 2014 Incentive Plan. The restricted stock units vest on January 15, 2022 and entitle the reporting person to one share of common stock for each restricted stock unit that vests. /s/ Minator Azemi by power of attorney 2021-01-20