UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 30, 2025

BUILDERS FIRSTSOURCE, INC.

(Exact name of Registrant as Specified in Its Charter)


Delaware	001-40620	52-2084569
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

6031 Connection Drive Suite 400
Irving, Texas		75039
(Address of Principal Executive Offices)		(Zip Code)

Registrant’s Telephone Number, Including Area Code: (214) 880-3500

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:


☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common stock, par value $0.01 per share	BLDR	New York Stock Exchange
		NYSE Texas

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition.

On October 30, 2025, Builders FirstSource, Inc. issued the news release attached hereto as Exhibit 99.1 reporting its financial results for the three and nine months ended September 30, 2025.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.


Exhibit No.	Description
99.1	News release reporting financial results for the three and nine months ended September 30, 2025, issued by Builders FirstSource, Inc. on October 30, 2025.

104	Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document

All of the information included in Items 2.02 and 9.01 of this report and Exhibit 99.1 hereto is being furnished and shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and shall not be incorporated by reference in any filing under the Securities Act of 1933, as amended.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.


			BUILDERS FIRSTSOURCE, INC.

Date:	October 30, 2025	By:	/s/ Timothy D. Johnson
			Timothy D. Johnson, Executive Vice President, General Counsel and Corporate Secretary

Builders FirstSource, Inc. 8-K