Michael Paul O'Day - 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 $
-$31,372
Form type
4
Date filed
8/12/2025, 04:05 PM
Previous filing
Jul 31, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
O'Day Michael Paul SVP and GM, Optical Comm. ONE RIVERFRONT PLAZA, CORNING Melissa J. Gambol, Power of Attorney 2025-08-12 0002034226

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GLW Common Stock Options Exercise $0 +1.09K +3.05% $0.00 36.8K Aug 8, 2025 Direct
transaction GLW Common Stock Tax liability -$31.4K -477 -1.29% $65.77 36.4K Aug 8, 2025 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 -1.09K -50% $0.00 1.09K Aug 8, 2025 Common Stock 1.09K Direct F1, F5
holding GLW Restricted Stock Unit 6.46K Aug 8, 2025 Common Stock 6.46K Direct F1, F2
holding GLW Restricted Stock Unit 15.3K Aug 8, 2025 Common Stock 15.3K Direct F1, F3
holding GLW Restricted Stock Unit 6.24K Aug 8, 2025 Common Stock 6.24K 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) 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.
F3 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.
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) 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.