---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-036303"
form_type: "8-K"
ticker: "GLW"
cik: "0000024741"
company_name: "CORNING INC /NY"
filed_at: "2025-07-29T23:59:59+00:00"
generated_at: "2026-05-17T23:50:45.464500+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Corning Q2 core sales $4.05B (+12% YoY), core EPS $0.60 (+28%); Q3 guidance above street

## Summary
- Core sales $4.05B, core EPS $0.60, both above Q2 guidance; GAAP EPS $0.54.
- Q3 outlook: core sales ~$4.2B, core EPS $0.63-$0.67, implying double-digit YoY growth.
- Optical Communications Enterprise sales surged 81% YoY on Gen AI product demand.
- Adjusted free cash flow $451M, up 28% YoY; core operating margin expanded 160 bps to 19%.
- Guidance factors $0.01-$0.02 tariff impact and $0.02-$0.03 cost headwind from demand ramp.

## SEC filing metadata
- accession: 0001628280-25-036303
- form_type: 8-K
- ticker: GLW
- cik: 0000024741
- company_name: CORNING INC /NY
- filed_at: 2025-07-29T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/24741/000162828025036303/0001628280-25-036303-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/24741/000162828025036303/glw-20250729.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-036303
- JSON: https://secwatch.observer/filing/0001628280-25-036303.json
- Plain text: https://secwatch.observer/filing/0001628280-25-036303.txt

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