John Z. Zhang - 17 May 2021 Form 4 Insider Report for CORNING INC /NY (GLW)

Role: Senior VP & GM, Display
Signature: Linda E. Jolly, Power of Attorney
Issuer symbol: GLW
Transactions as of: 17 May 2021
Net transactions value: -$118,473
Form type: 4
Filing time: 19 May 2021, 16:26:03 UTC
Next filing: 04 Feb 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GLW	Common Stock	Options Exercise	$0	+4,784	+257%	$0.000000	6,646	17 May 2021	Direct
transaction	GLW	Common Stock	Options Exercise	$0	+690	+10%	$0.000000	7,336	17 May 2021	Direct
transaction	GLW	Common Stock	Tax liability	$118,473	-2,681	-37%	$44.19	4,655	17 May 2021	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	GLW	Restricted Stock Unit	Options Exercise	$0	-4,784	-33%	$0.000000	9,568	17 May 2021	Common Stock	4,784		Direct	F1, F2
transaction	GLW	Restricted Stock Unit	Options Exercise	$0	-690	-33%	$0.000000	1,380	17 May 2021	Common Stock	690		Direct	F1, F2
holding	GLW	Restricted Stock Unit						6,265	17 May 2021	Common Stock	6,265		Direct	F1, F3
holding	GLW	Restricted Stock Unit						17,268	17 May 2021	Common Stock	17,268		Direct	F1, F4
holding	GLW	Restricted Stock Unit						9,548	17 May 2021	Common Stock	9,548		Direct	F1, F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated Common Stock.
F2	The restricted stock units will vest ratably over three years from the May 15, 2020 grant date. Vested shares will be delivered to the reporting person within sixty (60) days after vesting. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting dates.
F3	The Restricted Stock Units vest 100% on April 15, 2022. Vested shares will be delivered to the reporting person within thirty (30) days after April 15, 2022. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to April 15, 2022.
F4	The Restricted Stock Units vest 100% on April 14, 2023. Vested shares will be delivered to the reporting person within thirty (30) days after April 14, 2023. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to April 14, 2023.
F5	The Restricted Stock Units vest 100% on April 15, 2024. Vested shares will be delivered to the reporting person within thirty (30) days after April 15, 2024. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to April 15, 2024.