Corning (GLW)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-14 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: CORNING INC /NY (GLW) CIK: 0000024741 --- Reporting Owner --- Name: Fang Li CIK: 0001824647 Role: Officer (SVP, Corning Intl & NBD, Solar) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-14 | Code: M (Exercise of derivative) Shares: +8,725 | Price: $19.65 Total Value: $171,446.25 Shares Owned After: 8,725 | Ownership: D (Direct) --- Derivative Transactions --- [Transaction #1] Security: Stock Appreciation Rights (SAR) Date: 2026-05-14 | Code: M (Exercise of derivative) Shares: -8,725 | Price: $0.00 Exercisable: N/A | Expires: 2030-05-15 Shares Owned After: 0 | Ownership: D (Direct) Footnotes: [F1] Each vested SAR represents the right to receive a cash payment upon exercise equal to the amount by which the Fair Market Value of a share of Corning Incorporated Common Stock on the date of exercise exceeds the Base Amount ($19.65) for the SAR. [F2] The SARs will vest ratably over three years from the May 15, 2020 grant date. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting dates. --- Footnotes (Complete Index) --- F1: Each vested SAR represents the right to receive a cash payment upon exercise equal to the amount by which the Fair Market Value of a share of Corning Incorporated Common Stock on the date of exercise exceeds the Base Amount ($19.65) for the SAR. F2: The SARs will vest ratably over three years from the May 15, 2020 grant date. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting dates. --- Signature --- /s/ Melissa J. Gambol, Power of Attorney (2026-05-15)