Ronald L. Verkleeren - 04 Feb 2026 Form 4 Insider Report for CORNING INC /NY (GLW)

Role
SVP Emerging Innovations Group
Signature
Melissa J. Gambol, Power of Attorney
Issuer symbol
GLW
Transactions as of
04 Feb 2026
Net transactions value
-$141,061
Form type
4
Filing time
06 Feb 2026, 16:42:47 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
Verkleeren Ronald L SVP Emerging Innovations Group ONE RIVERFRONT PLAZA, CORNING Melissa J. Gambol, Power of Attorney 06 Feb 2026 0001825613

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GLW Common Stock Options Exercise $0 +300 +0.92% $0.000000 32,800 04 Feb 2026 Direct F1
transaction GLW Common Stock Options Exercise $0 +395 +1.2% $0.000000 33,195 04 Feb 2026 Direct F1
transaction GLW Common Stock Options Exercise $0 +591 +1.8% $0.000000 33,786 04 Feb 2026 Direct F1
transaction GLW Common Stock Tax liability $141,061 -1,286 -3.8% $109.69 32,500 04 Feb 2026 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 Award $0 +8,445 $0.000000 8,445 04 Feb 2026 Common Stock 8,445 Direct F1, F2
transaction GLW Performance Share Unit Award $0 +11,137 +81% $0.000000 24,938 04 Feb 2026 Common Stock 11,137 Direct F1, F3
transaction GLW Performance Share Unit Award $0 +16,650 +101% $0.000000 33,162 04 Feb 2026 Common Stock 16,650 Direct F1, F4
transaction GLW Performance Share Unit Options Exercise $0 -300 -3.6% $0.000000 8,145 04 Feb 2026 Common Stock 300 Direct F1, F5
transaction GLW Performance Share Unit Options Exercise $0 -395 -1.6% $0.000000 24,543 04 Feb 2026 Common Stock 395 Direct F1, F6
transaction GLW Performance Share Unit Options Exercise $0 -591 -1.8% $0.000000 32,571 04 Feb 2026 Common Stock 591 Direct F1, F7
* 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 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.
F3 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.
F4 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.
F5 Vesting to satisfy tax requirement pursuant to the 2025 agreement.
F6 Vesting to satisfy tax requirement pursuant to the 2024 agreement.
F7 Vesting to satisfy tax requirement pursuant to the 2023 agreement.