---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-020470"
form_type: "8-K"
ticker: "GLW"
cik: "0000024741"
company_name: "CORNING INC /NY"
filed_at: "2025-04-29T23:59:59+00:00"
generated_at: "2026-05-23T04:18:41.655007+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Corning Q1 core sales up 13% YoY to $3.68B, core EPS up 42% to $0.54; Q2 guidance above

## Summary
- Core sales $3.68B (+13% YoY), core EPS $0.54 (+42% YoY), core operating margin 18% (+250bp).
- GAAP sales $3.45B, GAAP EPS $0.18; GAAP gross margin 35.2%.
- Enterprise network sales surged 106% YoY on Gen AI demand; accelerating U.S. advanced manufacturing ramps.
- Q2 guidance: core sales ~$3.85B, core EPS $0.55-$0.59; includes $0.01-$0.02 tariff impact and $0.03 ramp costs.
- Segment reporting recast: Automotive Glass merged with Environmental Tech into Automotive segment; Display renamed.

## SEC filing metadata
- accession: 0001628280-25-020470
- form_type: 8-K
- ticker: GLW
- cik: 0000024741
- company_name: CORNING INC /NY
- filed_at: 2025-04-29T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/24741/000162828025020470/0001628280-25-020470-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/24741/000162828025020470/glw-20250429.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-020470
- JSON: https://secwatch.observer/filing/0001628280-25-020470.json
- Plain text: https://secwatch.observer/filing/0001628280-25-020470.txt

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