Eric S. Musser - 30 Sep 2025 Form 4 Insider Report for CORNING INC /NY (GLW)

Role
Retired President
Signature
Melissa J. Gambol, Power of Attorney
Issuer symbol
GLW
Transactions as of
30 Sep 2025
Net transactions value
-$114,924
Form type
4
Filing time
02 Oct 2025, 16:00:48 UTC
Previous filing
07 Oct 2025
Next filing
30 Oct 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Musser Eric S Retired President ONE RIVERFRONT PLAZA, CORNING Melissa J. Gambol, Power of Attorney 02 Oct 2025 0001323968

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GLW Common Stock Options Exercise $0 +525 +0.36% $0.000000 145,195 30 Sep 2025 Direct
transaction GLW Common Stock Tax liability $22,066 -269 -0.19% $82.03 144,926 30 Sep 2025 Direct
transaction GLW Common Stock Options Exercise $0 +1,132 +0.78% $0.000000 146,058 30 Sep 2025 Direct
transaction GLW Common Stock Tax liability $92,858 -1,132 -0.78% $82.03 144,926 30 Sep 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 -525 -100% $0.000000 0 30 Sep 2025 Common Stock 525 Direct F1, F7, F8
transaction GLW Restricted Stock Unit Options Exercise $0 -1,132 -4.6% $0.000000 23,572 30 Sep 2025 Common Stock 1,132 Direct F4, F9, F10
holding GLW Performance Share Unit 45,305 30 Sep 2025 Common Stock 45,305 Direct F1, F2
holding GLW Performance Share Unit 37,864 30 Sep 2025 Common Stock 37,864 Direct F1, F3
holding GLW Restricted Stock Unit 41,835 30 Sep 2025 Common Stock 41,835 Direct F4, F5
holding GLW Restricted Stock Unit 38,983 30 Sep 2025 Common Stock 38,983 Direct F4, F6
* 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 Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock.
F5 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.
F6 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.
F7 Performance Share Units (PSU) vested on 9/30/25 pursuant to the 2/8/23 agreement.
F8 The balance represents the forfeiture of 2,622 PSUs at retirement.
F9 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.
F10 The balance represents the forfeiture of 8,234 RSUs at retirement.