| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| McLaughlin Erica | Executive Vice President, CFO | C/O CABOT CORPORATION, TWO SEAPORT LANE, SUITE 1400, BOSTON | By: Mazda Cintron, pursuant to a power of attorney from Erica McLaughlin | 2025-11-12 | 0001740348 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CBT | Common Stock | Tax liability | -$138K | -2.25K | -3.36% | $61.41 | 64.8K | Nov 11, 2025 | Direct | |
| holding | CBT | Common Stock | 1.65 | Nov 11, 2025 | Through the Trustee for the Corporation's 401(k) Plan |