| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Wood Matthew Forster | Senior Vice President | C/O CABOT CORPORATION, TWO SEAPORT LANE, BOSTON | By: Mazda Cintron, pursuant to a power of attorney from Matthew F. Wood | 12 Nov 2025 | 0002073644 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CBT | Common Stock | Tax liability | $24,196 | -394 | -2.9% | $61.41 | 13,044 | 11 Nov 2025 | Direct |