Edward A. Schlesinger - 29 Jan 2026 Form 4 Insider Report for CORNING INC /NY (GLW)

Role: Exec. Vice President and CFO
Signature: Melissa J. Gambol, Power of Attorney
Issuer symbol: GLW
Transactions as of: 29 Jan 2026
Net transactions value: -$2,030,950
Form type: 4
Filing time: 29 Jan 2026, 16:06:29 UTC
Previous filing: 06 Jan 2026
Next filing: 06 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Schlesinger Edward A	Exec. Vice President and CFO	ONE RIVERFRONT PLAZA, CORNING	Melissa J. Gambol, Power of Attorney	29 Jan 2026	0001658538

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GLW	Common Stock	Options Exercise	$175,376	+8,925	+13%	$19.65	75,884	29 Jan 2026	Direct
transaction	GLW	Common Stock	Sale	$2,206,326	-21,104	-28%	$104.55	54,780	29 Jan 2026	Direct	F1

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	Stock Options (Right to Buy)	Options Exercise	$0	-8,925	-100%	$0.000000	0	29 Jan 2026	Common Stock	8,925	$19.65	Direct	F2

* 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 a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.06 to $105.04, 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 the footnote.
F2	On December 2, 2020, the Compensation Committee approved the early vesting of one half of the stock options granted on May 15, 2020. The remaining stock options vested ratably over three years from the grand date.

Content

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.06 to $105.04, 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 the footnote.

On December 2, 2020, the Compensation Committee approved the early vesting of one half of the stock options granted on May 15, 2020. The remaining stock options vested ratably over three years from the grand date.