| 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 |
| 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 |
| 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 |
| 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. |