Corning (GLW)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-09-04 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: CORNING INC /NY (GLW) CIK: 0000024741 --- Reporting Owner --- Name: Gullo Michelle L CIK: 0002096996 Role: Officer (Senior Vice President & CHRO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-09-04 | Code: S (Open market sale) Shares: -9,874 | Price: $152.29 Total Value: $1,503,713.43 Shares Owned After: 9,384 | 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 $151.9935 to $152.55 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 the 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 $151.9935 to $152.55 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 the footnote. --- Signature --- /s/ Melissa J. Gambol, Power of Attorney (2026-09-08)