John Z. Zhang - 08 Aug 2025 Form 4 Insider Report for CORNING INC /NY (GLW)

Signature
Melissa J. Gambol, Power of Attorney
Issuer symbol
GLW
Transactions as of
08 Aug 2025
Transactions value $
-$162,559
Form type
4
Filing time
12 Aug 2025, 16:10:43 UTC
Previous filing
29 May 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Zhang John Z Exec. Vice President & CCDO ONE RIVERFRONT PLAZA, CORNING Melissa J. Gambol, Power of Attorney 12 Aug 2025 0001825618

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GLW Common Stock Options Exercise $0 +2.48K $0.00 2.48K 08 Aug 2025 Direct
transaction GLW Common Stock Tax liability -$83.1K -1.26K -51.05% $65.77 1.21K 08 Aug 2025 Direct
transaction GLW Common Stock Sale -$79.4K -1.21K -100% $65.53 0 12 Aug 2025 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 -2.48K -50% $0.00 2.48K 08 Aug 2025 Common Stock 2.48K Direct F2, F6
holding GLW Restricted Stock Unit 22.5K 08 Aug 2025 Common Stock 22.5K Direct F2, F3
holding GLW Restricted Stock Unit 24.4K 08 Aug 2025 Common Stock 24.4K Direct F2, F4
holding GLW Restricted Stock Unit 18.9K 08 Aug 2025 Common Stock 18.9K Direct F2, F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.5315 to $65.5350, inclusive. The reporting person undertakes to provide to Corning Incorporated, any security holder of Corning Incorporated, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth previously in this footnote.
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, 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 14, 2028. 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 15, 2026. 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.