Michelle L. Gullo - 09 Feb 2026 Form 4 Insider Report for CORNING INC /NY (GLW)

Signature
Melissa J. Gambol, Power of Attorney
Issuer symbol
GLW
Transactions as of
09 Feb 2026
Net transactions value
-$47,695
Form type
4
Filing time
11 Feb 2026, 16:12:25 UTC
Previous filing
06 Feb 2026
Next filing
13 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Gullo Michelle L Senior Vice President & CHRO 1 RIVERFRONT PLAZA, CORNING Melissa J. Gambol, Power of Attorney 11 Feb 2026 0002096996

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GLW Common Stock Options Exercise $0 +918 +2.6% $0.000000 36,918 09 Feb 2026 Direct
transaction GLW Common Stock - Held by Spouse Options Exercise $0 +76 $0.000000 76 09 Feb 2026 Held by Spouse F1
transaction GLW Common Stock - Held by Spouse Tax liability $4,204 -32 -42% $131.39 44 09 Feb 2026 Held by Spouse F1
transaction GLW Common Stock Tax liability $43,490 -331 -0.9% $131.39 36,587 09 Feb 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 -918 -100% $0.000000 0 09 Feb 2026 Common Stock 918 Direct F2, F6
transaction GLW Restricted Stock Unit Options Exercise $0 -76 -100% $0.000000 0 09 Feb 2026 Common Stock 76 Held by Spouse F1, F2, F6
holding GLW Restricted Stock Unit 3,793 09 Feb 2026 Common Stock 3,793 Direct F2, F3
holding GLW Restricted Stock Unit 4,378 09 Feb 2026 Common Stock 4,378 Direct F2, F4
holding GLW Restricted Stock Unit 3,670 09 Feb 2026 Common Stock 3,670 Direct F2, F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The reporting person disclaims beneficial ownership of all securities held by spouse.
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 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) 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.