01—Abstract
Summary
Summary of the 8-K filed October 27, 2026. Cited figures are marked; the original filing is the authoritative source.
Corning Incorporated reported outstanding third-quarter 2026 results, exceeding its own guidance and demonstrating significant year-over-year growth.
Core sales increased by 19% to $5.08 billiona, with core earnings per share (EPS) growing at nearly double that rate to $0.91. This performance was largely driven by the Optical Communications segment, which saw a 44% surge in sales, fueled by an 84% increase in Enterprise Networks and over 100% growth in Gen AI product sales. The company also reported strong 37% growth in its Solar segment, despite a slightly slower ramp than anticipated, and expects this segment to become a significant revenue stream.
Looking ahead, Corning provided a positive outlook for the fourth quarter of 2026, projecting core sales growth of approximately 19% year-over-year, reaching between $5.2 billionb and $5.3 billion, with core EPS expected to grow around 36% year-over-year to $0.96-$1.00. The company highlighted that these strong results and outlook signal the commencement of the growth acceleration outlined in its "20-30-40" Springboard Plan. Furthermore, Corning secured four long-term, multi-billion-dollar customer agreements in the third quarter, including with major players like Verizon and AT&T, reinforcing the company's growth trajectory and customer commitment.
02—Key points
Key Highlights
- Corning exceeded Q3 2026 guidance with core sales up 19% year-over-year to $5.08 billion and core EPS up 36% to $0.91.
- Optical Communications segment was a key growth driver, with Q3 sales increasing 44% to $2.38 billion, including over 100% growth in Gen AI product sales.
- Solar segment sales grew 37% year-over-year, with management confident in building a "more than $3 billion Solar revenue stream."
- The company secured four new long-term, multi-billion-dollar customer agreements in Q3, including with Verizon and AT&T.
- Corning provided a strong Q4 2026 outlook, forecasting core sales growth of approximately 19% and core EPS growth of approximately 36%.
- These results and outlook validate the acceleration phase of Corning's "20-30-40" Springboard Plan.
- Core gross margin expanded 150 basis points to 40.5%, and core operating margin expanded 310 basis points to 22.7%.
03—Questions
Frequently Asked Questions
What were Corning's key financial results for the third quarter of 2026?
Corning reported strong third-quarter 2026 results, with core sales of $5.08 billion, a 19% increase year-over-year. Core EPS was $0.91, up 36% year-over-year. GAAP sales were $4.86 billion, up 18% year-over-year, and GAAP EPS was $0.78, up 56% year-over-year. The company also saw significant improvements in core gross margin (40.5%) and core operating margin (22.7%).
Which segments contributed most to Corning's growth in Q3 2026?
The Optical Communications segment was the primary growth driver, with sales surging 44% year-over-year to $2.38 billion. Notably, Enterprise Networks within this segment grew 84%, and Gen AI product sales more than doubled year-over-year. The Solar segment also showed robust growth, with sales up 37% year-over-year.
What is Corning's outlook for the fourth quarter of 2026?
Corning expects continued strong performance in the fourth quarter of 2026. Management forecasts core sales to grow approximately 19% year-over-year, reaching between $5.2 billion and $5.3 billion. Core EPS is projected to grow approximately 36% year-over-year, in the range of $0.96 to $1.00.
What is the significance of the customer agreements mentioned in the report?
In the third quarter, Corning secured four long-term, multi-billion-dollar customer agreements, including with major telecommunications providers Verizon and AT&T. These agreements are crucial as they underpin the company's growth strategy and provide a solid foundation for planned capacity expansions and investments.
04—Continue