| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Nathoo Raffiq | Director | C/O CABOT CORPORATION, TWO SEAPORT LANE, SUITE 1400, BOSTON | By: Mazda Cintron, pursuant to a power of attorney from Raffiq Nathoo | 2025-10-02 | 0001927730 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CBT | Phantom Stock Units | Award | $23.7K | +312 | +7.87% | $76.05 | 4.28K | Sep 30, 2025 | Common Stock | 312 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | 1 for 1 |
| F2 | The phantom stock will be settled in cash either upon the reporting person's termination of service as a director or in accordance with the distribution election of the reporting person, whichever first occurs. |