Ronald L. Verkleeren - 02 Jan 2026 Form 4 Insider Report for CORNING INC /NY (GLW)

Role
SVP Emerging Innovations Group
Signature
Melissa J. Gambol, Power of Attorney
Issuer symbol
GLW
Transactions as of
02 Jan 2026
Net transactions value
-$52,135
Form type
4
Filing time
06 Jan 2026, 16:03:41 UTC
Previous filing
19 Dec 2025
Next filing
06 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Verkleeren Ronald L SVP Emerging Innovations Group ONE RIVERFRONT PLAZA, CORNING Melissa J. Gambol, Power of Attorney 06 Jan 2026 0001825613

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GLW Common Stock Options Exercise $0 +575 +1.8% $0.000000 33,075 02 Jan 2026 Direct
transaction GLW Common Stock Tax liability $52,135 -575 -1.7% $90.67 32,500 02 Jan 2026 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 -575 -4.7% $0.000000 11,612 02 Jan 2026 Common Stock 575 Direct F1, F5
holding GLW Restricted Stock Unit 2,476 02 Jan 2026 Common Stock 2,476 Direct F1, F2
holding GLW Restricted Stock Unit 15,333 02 Jan 2026 Common Stock 15,333 Direct F1, F3
holding GLW Restricted Stock Unit 14,332 02 Jan 2026 Common Stock 14,332 Direct F1, F4
* 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 (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.