Item 1A. Risk Factors

In addition to the other information set forth in this report, you should carefully consider the factors discussed in Part 1, “Item 1A. Risk Factors” in our Form 10-K, which could materially affect our business, financial condition or future results. The risks described in our annual report on Form 10-K are not the only risks facing our company. Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial also may materially adversely affect our business, financial condition and/or operating results.

There were no material changes to the risk factors reported in Part 1, “Item 1A. Risk Factors” in our Form 10-K.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

Company Stock Repurchases

The following table provides information with respect to our purchases of Builders FirstSource, Inc. common stock during the third quarter of fiscal year 2021:

Period		Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs		Approximate Dollar Value of Shares That May Yet be Purchased Under the Plans or Programs
July 1, 2021 — July 31, 2021	4,470	$	43.57	—		$	—
August 1, 2021 — August 31, 2021	4,322,694	51.18			4,317,500		778,976,435
September 1, 2021 — September 30, 2021	6,640,900	53.75			6,640,900		422,031,163
Total	10,968,064	$	52.73		10,958,400	$	422,031,163

In the third quarter of 2021, 10,958,400 shares were repurchased and retired pursuant to a share repurchase program authorized by our board of directors on August 11, 2021. Under this program we are authorized to repurchase up to $1.0 billion of our common stock. The remaining 9,664 shares presented in the table above represent stock tendered in order to meet tax withholding requirements for restricted stock units vested.

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