---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-061436"
form_type: "8-K"
ticker: "BLDR"
cik: "0001316835"
company_name: "Builders FirstSource, Inc."
filed_at: "2025-05-01T23:59:59+00:00"
generated_at: "2026-05-22T23:54:10.908748+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Builders FirstSource Q1 EPS $0.84 (-60% YoY); Adj EBITDA $369M (-31.7%); announces $500M buyback

## Summary
- Net sales $3.7B (-6% YoY); net income $96.3M ($0.84 EPS) vs $258.8M ($2.10 EPS) a year ago.
- Adjusted EBITDA $369.2M (-31.7%), margin 10.1% (-380bps); gross margin 30.5% (-290bps).
- Free cash flow $45M (-80.2%); FY2025 guidance: net sales $16.05-17.05B, adj EBITDA $1.7-2.1B.
- Board authorized $500M share repurchase; cumulative buyback 99.3M shares (48.1% of outstanding) since Aug 2021.
- April 2025 repurchased 3.3M shares at avg $118.27; Q1 repurchased 0.1M shares at $131.51.

## SEC filing metadata
- accession: 0000950170-25-061436
- form_type: 8-K
- ticker: BLDR
- cik: 0001316835
- company_name: Builders FirstSource, Inc.
- filed_at: 2025-05-01T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1316835/000095017025061436/0000950170-25-061436-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1316835/000095017025061436/bldr-20250501.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-061436
- JSON: https://secwatch.observer/filing/0000950170-25-061436.json
- Plain text: https://secwatch.observer/filing/0000950170-25-061436.txt

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