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Builders FirstSource, Inc.

For the period ended Sep 30, 2026. Filed Oct 29, 2026.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2026 · Filed Oct 29, 2026

BLDR$65.97+5.5%Stored close · as of Nov 9, 2026

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Item 1A. Risk Factors

In addition to the other information set forth in this report, you should carefully consider the factors discussed in Part I, “Item 1A. Risk Factors” in our 2025 Form 10-K, which could materially affect our business, financial condition or future results. The risks described in our 2025 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 I, “Item 1A. Risk Factors” in our 2025 Form 10-K.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.