---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-054694"
form_type: "8-K"
ticker: "AWI"
cik: "0000007431"
company_name: "ARMSTRONG WORLD INDUSTRIES INC"
filed_at: "2023-10-24T23:59:59+00:00"
generated_at: "2026-06-09T15:15:26.251107+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Armstrong World Industries Q3 net sales $347M, EPS $1.56, raises FY guidance

## Summary
- Q3 net sales $347.3M (+6.9% YoY); diluted EPS from cont. ops $1.56 (+32% YoY); adjusted diluted EPS $1.60 (+17.6%).
- Adjusted EBITDA $125M (+19.4%) with 380bps margin expansion to 36.0%; both segments contributed.
- Mineral Fiber net sales $249.7M (+6.8%) on favorable AUV; Architectural Specialties net sales $97.6M (+6.9%) led by metal products.
- Full-year 2023 guidance raised: adj. EBITDA $418-$426M; adj. diluted EPS $5.05-$5.15; adj. free cash flow $245-$255M.
- Returned over $130M to shareholders YTD via buybacks and dividends; $752M remaining under share repurchase program.

## SEC filing metadata
- accession: 0000950170-23-054694
- form_type: 8-K
- ticker: AWI
- cik: 0000007431
- company_name: ARMSTRONG WORLD INDUSTRIES INC
- filed_at: 2023-10-24T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/7431/000095017023054694/0000950170-23-054694-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/7431/000095017023054694/awi-20231024.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-054694
- JSON: https://secwatch.observer/filing/0000950170-23-054694.json
- Plain text: https://secwatch.observer/filing/0000950170-23-054694.txt

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