Corning (GLW)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-13 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: CORNING INC /NY (GLW) CIK: 0000024741 --- Reporting Owner --- Name: Verkleeren Ronald L CIK: 0001825613 Role: Officer (SVP Emerging Innovations Group) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-13 | Code: S (Open market sale) Shares: -10,000 | Price: $207.77 Total Value: $2,077,708.00 Shares Owned After: 48,143 | Ownership: D (Direct) Footnotes: [F1] The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $207.50 to $207.95, inclusive. The reporting person undertakes to provide to Corning Incorporated, any security holder of Corning Incorporated, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth previously in this footnote. --- Footnotes (Complete Index) --- F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $207.50 to $207.95, inclusive. The reporting person undertakes to provide to Corning Incorporated, any security holder of Corning Incorporated, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth previously in this footnote. --- Signature --- /s/ Melissa J. Gambol, Power of Attorney (2026-05-14)