Jordana Daryl Kammerud - 15 Jan 2026 Form 4/A - Amendment Insider Report for CORNING INC /NY (GLW)

Role
SVP
Signature
Melissa J. Gambol, Power of Attorney
Issuer symbol
GLW
Transactions as of
15 Jan 2026
Net transactions value
-$186,045
Form type
4/A - Amendment
Filing time
22 Jan 2026, 16:03:38 UTC
Date Of Original Report
20 Jan 2026
Previous filing
14 Jul 2025
Next filing
06 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Kammerud Jordana Daryl SVP ONE RIVERFRONT PLAZA, CORNING Melissa J. Gambol, Power of Attorney 22 Jan 2026 0001707582

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GLW Common Stock Options Exercise $0 +327 +1% $0.000000 33,099 15 Jan 2026 Direct
transaction GLW Common Stock Options Exercise $0 +484 +1.5% $0.000000 33,583 15 Jan 2026 Direct
transaction GLW Common Stock Options Exercise $0 +258 +0.77% $0.000000 33,841 15 Jan 2026 Direct
transaction GLW Common Stock Options Exercise $0 +474 +1.4% $0.000000 34,315 15 Jan 2026 Direct
transaction GLW Common Stock Options Exercise $0 +447 +1.3% $0.000000 34,762 15 Jan 2026 Direct
transaction GLW Common Stock Tax liability $186,045 -1,990 -5.7% $93.49 32,772 15 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 Restricted Stock Unit Options Exercise $0 -327 -5.5% $0.000000 5,670 15 Jan 2026 Common Stock 327 Direct F2, F3
transaction GLW Restricted Stock Unit Options Exercise $0 -484 -4.7% $0.000000 9,923 15 Jan 2026 Common Stock 484 Direct F2, F4, F5
transaction GLW Restricted Stock Unit Options Exercise $0 -258 -6.4% $0.000000 3,804 15 Jan 2026 Common Stock 258 Direct F2, F6, F7
transaction GLW Performance Share Unit Options Exercise $0 -474 -6.9% $0.000000 6,435 15 Jan 2026 Common Stock 474 Direct F8, F9
transaction GLW Performance Share Unit Options Exercise $0 -447 -3.2% $0.000000 13,603 15 Jan 2026 Common Stock 447 Direct F8, F10
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares withheld to satisfy the reporting person's tax withholding obligations.
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 This balance reflects the forfeiture of 5,204 restricted stock units on January 15, 2026.
F6 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.
F7 This balance reflects the forfeiture of 8,125 restricted stock units on January 15, 2026.
F8 Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock.
F9 Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement.
F10 Earned PSUs remain restricted until April 15, 2027, when they vest and convert to common stock, subject to service-based vesting requirement.

Remarks:

This amendment is being submitted to disclose the shares withheld to satisfy tax obligations, which were inadvertently omitted from the Form 4 filed on January 20, 2026.