CORNING INC /NY — Director's Dealing 2026

Jan 22, 2026

SEC Form 4/A — Form 4/A

Issuer: CORNING INC /NY (GLW)
CIK: 0000024741
Period of Report: 2026-01-15

Reporting Person: Kammerud Jordana Daryl (SVP)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-15	Common Stock	M	327	—	Acquired	33099	Direct
2026-01-15	Common Stock	M	484	—	Acquired	33583	Direct
2026-01-15	Common Stock	M	258	—	Acquired	33841	Direct
2026-01-15	Common Stock	M	474	—	Acquired	34315	Direct
2026-01-15	Common Stock	M	447	—	Acquired	34762	Direct
2026-01-15	Common Stock	F	1990	$93.49	Disposed	32772	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-01-15	Restricted Stock Unit	$	M	327	Disposed		Common Stock (327)	Direct
2026-01-15	Restricted Stock Unit	$	M	484	Disposed		Common Stock (484)	Direct
2026-01-15	Restricted Stock Unit	$	M	258	Disposed		Common Stock (258)	Direct
2026-01-15	Performance Share Unit	$	M	474	Disposed		Common Stock (474)	Direct
2026-01-15	Performance Share Unit	$	M	447	Disposed		Common Stock (447)	Direct

Footnotes

F1: Shares withheld to satisfy the reporting person's tax withholding obligations.

F2: Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock.

F3: 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.

F4: 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.

F5: This balance reflects the forfeiture of 5,204 restricted stock units on January 15, 2026.

F6: 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.

F7: This balance reflects the forfeiture of 8,125 restricted stock units on January 15, 2026.

F8: Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock.

F9: Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement.

F10: Earned PSUs remain restricted until April 15, 2027, when they vest and convert to common stock, subject to service-based vesting requirement.