Wendell P. Weeks - 04 Feb 2026 Form 4 Insider Report for CORNING INC /NY (GLW)

Role
Chairman, CEO and President, Director
Signature
Melissa J. Gambol, Power of Attorney
Issuer symbol
GLW
Transactions as of
04 Feb 2026
Net transactions value
-$1,148,783
Form type
4
Filing time
06 Feb 2026, 16:00:28 UTC
Previous filing
06 Jan 2026
Next filing
11 Feb 2026
SEC
View on sec.gov

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 06 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 +5,410 +0.73% $0.000000 747,779 04 Feb 2026 Direct F1
transaction GLW Common Stock Options Exercise $0 +2,209 +0.3% $0.000000 749,988 04 Feb 2026 Direct F1
transaction GLW Common Stock Options Exercise $0 +2,854 +0.38% $0.000000 752,842 04 Feb 2026 Direct F1
transaction GLW Common Stock Tax liability $1,148,783 -10,473 -1.4% $109.69 742,369 04 Feb 2026 Direct
holding GLW Common Stock 9,200 04 Feb 2026 Held by Spouse F2
holding GLW Common Stock 7,121 04 Feb 2026 Held By Spouse - Emp. Ben. Plan F2, F3
holding GLW Common Stock 11,738 04 Feb 2026 Trustee U/employee Benefit Plan F3

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 Award $0 +120,365 +100% $0.000000 241,020 04 Feb 2026 Common Stock 120,365 Direct F1, F5
transaction GLW Performance Share Unit Award $0 +80,500 +80% $0.000000 181,340 04 Feb 2026 Common Stock 80,500 Direct F1, F6
transaction GLW Performance Share Unit Award $0 +62,315 $0.000000 62,315 04 Feb 2026 Common Stock 62,315 Direct F1, F7
transaction GLW Performance Share Unit Options Exercise $0 -5,410 -2.2% $0.000000 235,610 04 Feb 2026 Common Stock 5,410 Direct F1, F8
transaction GLW Performance Share Unit Options Exercise $0 -2,209 -3.5% $0.000000 60,106 04 Feb 2026 Common Stock 2,209 Direct F1, F9
transaction GLW Performance Share Unit Options Exercise $0 -2,854 -1.6% $0.000000 178,486 04 Feb 2026 Common Stock 2,854 Direct F1, F10
holding GLW Performance Share Unit 5,733 04 Feb 2026 Common Stock 5,733 Direct F1, F4
* 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 The reporting person disclaims beneficial ownership of all securities held by spouse.
F3 Ownership is represented by units held in a unitized stock fund through the issuer's 401(k) retirement plan as of January 31, 2026.
F4 Performance share units (PSUs) were earned February 7, 2024 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2023 pursuant to the 2023 agreement. Earned PSUs remain restricted until vesting. The earned units 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.
F5 Performance share units (PSUs) were earned February 4, 2026 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2025 pursuant to the 2023 agreement. Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement.
F6 Performance share units (PSUs) were earned February 4, 2026 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2025 pursuant to the 2024 agreement. Earned PSUs remain restricted until April 15, 2027, when they vest and convert to common stock, subject to service-based vesting requirement.
F7 Performance share units (PSUs) were earned February 4, 2026 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2025 pursuant to the 2025 agreement. Earned PSUs remain restricted until April 14, 2028, when they vest and convert to common stock, subject to service-based vesting requirement.
F8 Vesting to satisfy tax requirement pursuant to the 2023 agreement.
F9 Vesting to satisfy tax requirements pursuant to the 2025 agreement.
F10 Vesting to satisfy tax requirement pursuant to the 2024 agreement.