---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-24-002506"
form_type: "8-K"
ticker: "GLW"
cik: "0000024741"
company_name: "CORNING INC /NY"
filed_at: "2024-01-30T23:59:59+00:00"
generated_at: "2026-06-06T15:18:49.075896+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Corning Q4 core EPS $0.39; guides Q1 core sales ~$3.1B, core EPS $0.32–$0.38

## Summary
- Q4 GAAP sales $2,994M (-6% seq, -12% YoY); core sales $3,272M (-5% seq, -10% YoY).
- Q4 GAAP EPS $(0.05); core EPS $0.39; gross margin improved >300 bps YoY (GAAP +350bps, core +330bps).
- Adjusted free cash flow $487M in Q4; full-year adjusted free cash flow $880M on $2B operating cash flow.
- Full-year 2023: GAAP sales $12,588M (-11% YoY); core sales $13,580M (-8% YoY); core EPS $1.70 (-19% YoY).
- Sees opportunity to add >$3B in annualized sales as markets normalize; Q1 likely low quarter of 2024.

## SEC filing metadata
- accession: 0001437749-24-002506
- form_type: 8-K
- ticker: GLW
- cik: 0000024741
- company_name: CORNING INC /NY
- filed_at: 2024-01-30T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/24741/000143774924002506/0001437749-24-002506-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/24741/000143774924002506/glw20230630_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-24-002506
- JSON: https://secwatch.observer/filing/0001437749-24-002506.json
- Plain text: https://secwatch.observer/filing/0001437749-24-002506.txt

## Key facts
- Earnings Releases
  CORNING INC /NY reported the fourth quarter ended December 31, 2023 results: revenue $3.0 billion, EPS $(0.05).
  - Period: the fourth quarter ended December 31, 2023
  - Revenue: $3.0 billion
  - EPS: $(0.05)
  - Result: reported results
  source text: GAAP and core gross margin each improved by more than 300 basis points year over year and cash generation significantly improved Company has an opportunity to add more than $3 billion in annualized sales and deliver strong incremental profit and cash flow as markets normalize Management expects first-quarter core sales of approximately $3.1 billion and core
  evidence_url: https://www.sec.gov/Archives/edgar/data/24741/000143774924002506/0001437749-24-002506-index.htm
- Earnings Releases
  CORNING INC /NY reported full-year 2023 results: revenue $12.6 billion, EPS $0.68.
  - Period: full-year 2023
  - Revenue: $12.6 billion
  - EPS: $0.68
  - Result: reported results
  source text: 10%, respectively. ● Cash flow continued to improve: GAAP operating cash flow was $713 million, and adjusted free cash flow was $487 million. Full-Year 2023: ● GAAP sales were $12.6 billion, down 11%. Core sales were $13.6 billion, down 8%. ● GAAP EPS was $0.68, and core EPS was $1.70. The difference between GAAP and core EPS primarily reflected constant currency
  evidence_url: https://www.sec.gov/Archives/edgar/data/24741/000143774924002506/0001437749-24-002506-index.htm
- Earnings Releases
  CORNING INC /NY reported first-quarter 2024 results: revenue $3.1 billion, EPS $0.32 to $0.38. Guidance initiated.
  - Period: first-quarter 2024
  - Revenue: $3.1 billion
  - EPS: $0.32 to $0.38
  - Guidance: initiated
  - Result: guidance update
  source text: Management expects first-quarter core sales of approximately $3.1 billion and core EPS in the range of $0.32 to $0.38
  evidence_url: https://www.sec.gov/Archives/edgar/data/24741/000143774924002506/0001437749-24-002506-index.htm

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