Wendell P. Weeks - 09 Feb 2026 Form 4 Insider Report for CORNING INC /NY (GLW)

Signature
Melissa J. Gambol, Power of Attorney
Issuer symbol
GLW
Transactions as of
09 Feb 2026
Net transactions value
-$384,579
Form type
4
Filing time
11 Feb 2026, 16:21:41 UTC
Previous filing
06 Feb 2026
Next filing
18 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
WEEKS WENDELL P Chairman, CEO and President, Director ONE RIVERFRONT PLAZA, CORNING Melissa J. Gambol, Power of Attorney 11 Feb 2026 0001206158

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GLW Common Stock Options Exercise $0 +5,733 +0.77% $0.000000 753,512 09 Feb 2026 Direct
transaction GLW Common Stock Tax liability $384,579 -2,927 -0.39% $131.39 750,585 09 Feb 2026 Direct
holding GLW Common Stock 9,200 09 Feb 2026 Held by Spouse F1
holding GLW Common Stock 7,121 09 Feb 2026 Held By Spouse - Emp. Ben. Plan F1, F2
holding GLW Common Stock 11,738 09 Feb 2026 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 -5,733 -100% $0.000000 0 09 Feb 2026 Common Stock 5,733 Direct F3, F7
holding GLW Performance Share Unit 235,610 09 Feb 2026 Common Stock 235,610 Direct F3, F4
holding GLW Performance Share Unit 178,486 09 Feb 2026 Common Stock 178,486 Direct F3, F5
holding GLW Performance Share Unit 60,106 09 Feb 2026 Common Stock 60,106 Direct F3, F6
* 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 January 31, 2026.
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 Earned PSUs remain restricted until April 14, 2028, when they vest and convert to common stock, subject to service-based vesting requirement.
F7 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.