---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-016874"
form_type: "8-K"
ticker: "BLDR"
cik: "0001316835"
company_name: "Builders FirstSource, Inc."
filed_at: "2023-05-03T23:59:59+00:00"
generated_at: "2026-06-16T00:29:38.736960+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Builders FirstSource Q1 net sales down 31.6% to $3.9B, EPS $2.41, board authorizes $1B buyback

## Summary
- Net sales $3.9B (-31.6%); net income $333.8M (-47.8%); diluted EPS $2.41 vs $3.56.
- Adjusted EBITDA $631.7M, margin 16.3%; Q2 guidance: sales $4.0-4.2B, EBITDA $525-575M.
- Repurchased 7.5M shares for $627.6M in Q1; board approved new $1B share repurchase plan.
- Cash from ops $654.4M, free cash flow $554.5M; net debt/LTM adjusted EBITDA ratio 0.8x.
- Gross margin up 300bps to 35.3% on multi-family value-added mix; long-term normalized gross margin raised to 28%+.

## SEC filing metadata
- accession: 0000950170-23-016874
- form_type: 8-K
- ticker: BLDR
- cik: 0001316835
- company_name: Builders FirstSource, Inc.
- filed_at: 2023-05-03T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1316835/000095017023016874/0000950170-23-016874-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1316835/000095017023016874/bldr-20230427.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-016874
- JSON: https://secwatch.observer/filing/0000950170-23-016874.json
- Plain text: https://secwatch.observer/filing/0000950170-23-016874.txt

## Key facts
- Earnings Releases
  Builders FirstSource, Inc. reported the first quarter ended March 31, 2023 results: revenue $3.9 billion, net income $333.8 million, EPS $2.41 per diluted share. Guidance raised.
  - Period: the first quarter ended March 31, 2023
  - Revenue: $3.9 billion
  - Net income: $333.8 million
  - EPS: $2.41 per diluted share
  - Guidance: raised
  - Result: reported results
  source text: Builders FirstSource Reports First Quarter 2023 Results Net sales of $3.9 billion, a decrease of 31.6% Net income of $333.8 million Earnings per diluted share of $2.41 per share Adjusted EBITDA of $631.7 million at a margin of 16.3% Repurchased 7.5 million common shares totaling $627.6 million, a 5.4% reduction of shares outstanding May 3, 2023 (Dallas, TX) – Builders FirstSource, Inc. (NYSE: BLDR) today reported its results for the first quarter ended March 31, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1316835/000095017023016874/0000950170-23-016874-index.htm

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