CORNING INC /NY — Director's Dealing 2026

Jan 6, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CORNING INC /NY (GLW)
CIK: 0000024741
Period of Report: 2026-01-02

Reporting Person: O'Day Michael Paul (SVP and GM, Optical Comm.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-02	Common Stock	M	612	—	Acquired	35578	Direct
2026-01-02	Common Stock	F	612	$90.67	Disposed	34966	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-01-02	Restricted Stock Unit	$	M	612	Disposed		Common Stock (612)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted Stock Unit	$		Common Stock (1091)	1091	Direct
Restricted Stock Unit	$		Common Stock (6460)	6460	Direct
Restricted Stock Unit	$		Common Stock (6244)	6244	Direct

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock.

F2: The restricted stock units (RSUs) granted on February 8, 2023 vest 1/3 after 1 year from the grant date and 1/6 every 6 months thereafter until fully vested on the third anniversary of the grant date.

F3: The restricted stock units (RSUs) vest 100% on April 15, 2027. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date.

F4: The restricted stock units (RSUs) vest 100% on April 15, 2026. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date.

F5: The restricted stock units (RSUs) vest 100% on April 14, 2028. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date.