---
schema_version: "secwatch.filing_event.v1"
accession: "0001370946-25-000239"
form_type: "8-K"
ticker: "OC"
cik: "0001370946"
company_name: "Owens Corning"
filed_at: "2025-11-05T23:59:59+00:00"
generated_at: "2026-05-17T00:13:08.887478+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Owens Corning Q3 net loss $495M on $780M impairment; Q4 revenue seen down mid-to-high teens

## Summary
- Net sales $2.68B (-3% YoY); net loss $495M from $780M non-cash impairment in Doors.
- Adjusted EBITDA $638M (-10% YoY); adjusted diluted EPS $3.67 (-9% YoY).
- Q4 outlook: revenue ~$2.1-2.2B (down mid-to-high teens); adjusted EBITDA margin 16-18%.
- Returned $278M to shareholders via dividends and buybacks in Q3; YTD >$700M returned.
- Glass reinforcements divestiture targeted for completion in 2025, subject to regulatory approvals.

## SEC filing metadata
- accession: 0001370946-25-000239
- form_type: 8-K
- ticker: OC
- cik: 0001370946
- company_name: Owens Corning
- filed_at: 2025-11-05T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1370946/000137094625000239/0001370946-25-000239-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1370946/000137094625000239/oc-20251105.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001370946-25-000239
- JSON: https://secwatch.observer/filing/0001370946-25-000239.json
- Plain text: https://secwatch.observer/filing/0001370946-25-000239.txt

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