John Z. Zhang - 04 Feb 2026 Form 4 Insider Report for CORNING INC /NY (GLW)

Role
Exec. Vice President & CCDO
Signature
Melissa J. Gambol, Power of Attorney
Issuer symbol
GLW
Transactions as of
04 Feb 2026
Net transactions value
$0
Form type
4
Filing time
06 Feb 2026, 16:05:26 UTC
Previous filing
12 Aug 2025
Next filing
11 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Zhang John Z Exec. Vice President & CCDO ONE RIVERFRONT PLAZA, CORNING Melissa J. Gambol, Power of Attorney 06 Feb 2026 0001825618

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 +16,891 $0.000000 16,891 04 Feb 2026 Common Stock 16,891 Direct F1, F2
transaction GLW Performance Share Unit Award $0 +15,591 +77% $0.000000 35,839 04 Feb 2026 Common Stock 15,591 Direct F1, F3
transaction GLW Performance Share Unit Award $0 +20,932 +96% $0.000000 42,687 04 Feb 2026 Common Stock 20,932 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 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.