---
schema_version: "secwatch.filing_event.v1"
accession: "0000024741-25-000109"
form_type: "8-K"
ticker: "GLW"
cik: "0000024741"
company_name: "CORNING INC /NY"
filed_at: "2025-10-28T23:59:59+00:00"
generated_at: "2026-05-17T02:02:28.205086+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Corning Q3 core sales $4.27B (+14% YoY), core EPS $0.67 (+24%); Q4 guidance above estimates, margin target a year early

## Summary
- Q3 core sales $4.27B (+14% YoY), core EPS $0.67 (+24% YoY); core operating margin 19.6% (+130bps).
- Q4 outlook: core sales ~$4.35B, core EPS $0.68–$0.72; expects operating margin of 20% in Q4, a year ahead of Springboard plan.
- GAAP sales $4.10B, GAAP EPS $0.50, GAAP operating cash flow $784M; adjusted free cash flow $535M.
- Optical Communications Enterprise sales surged 58% YoY on strong adoption of new Gen AI products.
- Apple committed $2.5B to produce 100% of iPhone and Apple Watch cover glass at Corning's Kentucky facility.

## SEC filing metadata
- accession: 0000024741-25-000109
- form_type: 8-K
- ticker: GLW
- cik: 0000024741
- company_name: CORNING INC /NY
- filed_at: 2025-10-28T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- 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/24741/000002474125000109/0000024741-25-000109-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/24741/000002474125000109/glw-20251028.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000024741-25-000109
- JSON: https://secwatch.observer/filing/0000024741-25-000109.json
- Plain text: https://secwatch.observer/filing/0000024741-25-000109.txt

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