Avery H. Nelson III - 09 Feb 2026 Form 4 Insider Report for CORNING INC /NY (GLW)

Role: Executive Vice President & COO
Signature: Melissa J. Gambol, Power of Attorney
Issuer symbol: GLW
Transactions as of: 09 Feb 2026
Net transactions value: -$930,054
Form type: 4
Filing time: 11 Feb 2026, 16:14:14 UTC
Previous filing: 06 Feb 2026
Next filing: 12 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Nelson Avery H III	Executive Vice President & COO	ONE RIVERFRONT PLAZA, CORNING	Melissa J. Gambol, Power of Attorney	11 Feb 2026	0001824828

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GLW	Common Stock	Options Exercise	$0	+2,476	+3.7%	$0.000000	68,526	09 Feb 2026	Direct
transaction	GLW	Common Stock	Tax liability	$117,331	-893	-1.3%	$131.39	67,633	09 Feb 2026	Direct
transaction	GLW	Common Stock	Sale	$812,722	-6,262	-9.3%	$129.79	61,371	09 Feb 2026	Direct	F1
holding	GLW	Common Stock						3,840	09 Feb 2026	Trustee u/Employee Benefit Plan	F2

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	-2,476	-100%	$0.000000	0	09 Feb 2026	Common Stock	2,476		Direct	F3, F7
holding	GLW	Restricted Stock Unit						21,442	09 Feb 2026	Common Stock	21,442		Direct	F3, F4
holding	GLW	Restricted Stock Unit						23,369	09 Feb 2026	Common Stock	23,369		Direct	F3, F5
holding	GLW	Restricted Stock Unit						17,838	09 Feb 2026	Common Stock	17,838		Direct	F3, F6

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

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $129.67 to $129.90, 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 this footnote.
F2	Ownership is represented by units held in a unitized stock fund through the issuer's 401(k) retirement plan as of January 31, 2026.
F3	Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock.
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	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.
F6	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.
F7	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.