---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-324859"
form_type: "8-K"
ticker: "BLDR"
cik: "0001316835"
company_name: "Builders FirstSource, Inc."
filed_at: "2026-07-30T11:00:17+00:00"
generated_at: "2026-07-30T11:05:19.020798+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Builders FirstSource Q2 net loss $3.9M; sales down 8.8%; cuts full-year outlook

## Summary
- Net loss of $3.9M ($0.04 diluted EPS) vs. prior-year net income of $185M ($1.66 EPS).
- Net sales $3.9B, down 8.8% YoY; core organic sales fell 7.0% and commodity deflation 2.7%.
- Adjusted EBITDA $329.3M, down 34.9%; adjusted EBITDA margin 8.5%, down 350 bps.
- Full-year 2026 outlook updated to reflect weaker housing market; expects $50-70M productivity savings.
- Net debt to LTM Adjusted EBITDA ratio 3.6x vs. 2.3x a year ago; $500M remaining buyback authorization.

## SEC filing metadata
- accession: 0001193125-26-324859
- form_type: 8-K
- ticker: BLDR
- cik: 0001316835
- company_name: Builders FirstSource, Inc.
- filed_at: 2026-07-30T11:00:17+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1316835/000119312526324859/0001193125-26-324859-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1316835/000119312526324859/bldr-20260730.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-324859
- JSON: https://secwatch.observer/filing/0001193125-26-324859.json
- Plain text: https://secwatch.observer/filing/0001193125-26-324859.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.