Wendell P. Weeks - Aug 8, 2025 Form 4 Insider Report for CORNING INC /NY (GLW)

Signature
Melissa J. Gambol, Power of Attorney
Stock symbol
GLW
Transactions as of
Aug 8, 2025
Transactions value $
-$192,509
Form type
4
Date filed
8/12/2025, 04:09 PM
Previous filing
Aug 8, 2025
Next filing
Sep 16, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
WEEKS WENDELL P Chairman and CEO, Director ONE RIVERFRONT PLAZA, CORNING Melissa J. Gambol, Power of Attorney 2025-08-12 0001206158

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GLW Common Stock Options Exercise $0 +5.73K +0.71% $0.00 815K Aug 8, 2025 Direct
transaction GLW Common Stock Tax liability -$193K -2.93K -0.36% $65.77 812K Aug 8, 2025 Direct
holding GLW Common Stock 9.2K Aug 8, 2025 Held by Spouse F1
holding GLW Common Stock 7.07K Aug 8, 2025 Held By Spouse - Emp. Ben. Plan F1, F2
holding GLW Common Stock 11.7K Aug 8, 2025 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 Performance Share Unit Options Exercise $0 -5.73K -50% $0.00 5.73K Aug 8, 2025 Common Stock 5.73K Direct F3, F6
holding GLW Performance Share Unit 121K Aug 8, 2025 Common Stock 121K Direct F3, F4
holding GLW Performance Share Unit 101K Aug 8, 2025 Common Stock 101K Direct F3, 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 Ownership is represented by units held in a unitized stock fund through the issuer's 401(k) retirement plan as of July 31, 2025.
F3 Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock.
F4 Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement.
F5 Earned PSUs remain restricted until April 15, 2027, when they vest and convert to common stock, subject to service-based vesting requirement.
F6 The performance share units (PSUs) earned February 7, 2024 will vest 1/3 after 1 year from the February 8, 2023 grant date and 1/6 every 6 months thereafter until fully vested on the third anniversary of the grant date.