Raging Capital Snapped Up Shares of Builders Firstsource, Inc. (BLDR)

Page 2 of 6 SEC Filing
Item 1(a).
Name of Issuer:
Builders FirstSource, Inc.
Item 1(b).
Address of Issuer’s Principal Executive Offices:
2001 Bryan Street, Suite 1600
Dallas, Texas 75201
Item 2(a).
Name of Person Filing:
This statement is filed by Raging Capital Management, LLC, a Delaware limited liability company (“Raging Capital”), and William C. Martin.  Each of the foregoing is referred to as a “Reporting Person” and collectively as the “Reporting Persons.”
Raging Capital is the Investment Manager of Raging Capital Master Fund, Ltd., a Cayman Islands exempted company (“Raging Master”), in whose name the Issuer’s Common Stock, $0.01 par value per share (the “Shares”), are held.  William C. Martin is the Chairman, Chief Investment Officer and Managing Member of Raging Capital.  Raging Master has delegated to Raging Capital the sole authority to vote and dispose of the securities held by Raging Master pursuant to an Investment Management Agreement, dated November 9, 2012 (the “IMA”).  The IMA may be terminated by any party thereto effective at the close of business on the last day of any fiscal quarter by giving the other party not less than sixty-one days’ written notice.  As a result, each of Raging Capital and William C. Martin may be deemed to beneficially own the Shares held by Raging Master.
The filing of this Schedule 13G shall not be construed as an admission that the Reporting Persons are, for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, the beneficial owners of any of the securities reported herein.  Each of the Reporting Persons specifically disclaims beneficial ownership of the securities reported herein.  Without limiting the foregoing sentence, Raging Master specifically disclaims beneficial ownership of the securities held by it by virtue of its inability to vote or dispose of such securities as a result of the IMA.
Item 2(b).
Address of Principal Business Office or, if none, Residence:
The principal business address of each of Raging Capital and William C. Martin is Ten Princeton Avenue, P.O. Box 228, Rocky Hill, New Jersey 08553.
Item 2(c).
Citizenship:
Raging Capital is organized under the laws of the State of Delaware.  William C. Martin is a citizen of the United States of America.
Item 2(d).
Title of Class of Securities:
Common Stock, $0.01 par value per share.
Item 2(e).
CUSIP Number:
12008R 10 7

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