| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Wood Matthew Forster | Senior Vice President | C/O CABOT CORPORATION, TWO SEAPORT LANE, BOSTON | By: Jennifer Lombardi, pursuant to a power of attorney from Matthew F. Wood | 21 Nov 2025 | 0002073644 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CBT | Common Stock | Award | $0 | +671 | +5.1% | $0.000000 | 13,715 | 19 Nov 2025 | Direct | F1 |
| transaction | CBT | Common Stock | Tax liability | $13,087 | -219 | -1.6% | $59.76 | 13,496 | 19 Nov 2025 | Direct |
| Id | Content |
|---|---|
| F1 | Consists of performance based units earned on the basis of the Corporation's performance in fiscal year 2025, of which 477 remain subject to time-based vesting. |