Lewis A. Steverson - 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
Net transactions value
-$65,770
Form type
4
Filing time
12 Aug 2025, 16:07:47 UTC
Previous filing
31 Jul 2025
Next filing
03 Nov 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
STEVERSON LEWIS A Vice Chairman, EVP and CLAO ONE RIVERFRONT PLAZA, CORNING Melissa J. Gambol, Power of Attorney 12 Aug 2025 0001508144

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GLW Common Stock Options Exercise $0 +1,958 +4.9% $0.000000 41,717 08 Aug 2025 Direct
transaction GLW Common Stock Tax liability $65,770 -1,000 -2.4% $65.77 40,717 08 Aug 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 Performance Share Unit Options Exercise $0 -1,958 -50% $0.000000 1,958 08 Aug 2025 Common Stock 1,958 Direct F1, F4
holding GLW Performance Share Unit 36,243 08 Aug 2025 Common Stock 36,243 Direct F1, F2
holding GLW Performance Share Unit 30,292 08 Aug 2025 Common Stock 30,292 Direct F1, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock.
F2 Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement.
F3 Earned PSUs remain restricted until April 15, 2027, when they vest and convert to common stock, subject to service-based vesting requirement.
F4 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.