| 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 | 16 Jun 2025 | 0001740348 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CBT | Common Stock | Gift | $0 | -1,299 | -2.8% | $0.000000 | 44,381 | 12 Jun 2025 | Direct | F1 |
| holding | CBT | Common Stock | 2 | 12 Jun 2025 | Through the Trustee for the Corporation's 401(k) Plan |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CBT | Phantom Stock Units | Award | $3,976 | +53 | +0.6% | $74.72 | 8,890 | 13 Jun 2025 | Common Stock | 53 | Direct | F2, F3 |
| Id | Content |
|---|---|
| F1 | The transaction reported involved a gift by the reporting person of 1,299 shares of common stock to a chartiable donor advised fund. |
| F2 | 1 for 1 |
| F3 | The reported phantom stock units were acquired under the Corporation's supplemental 401(k) plan and are to be settled upon the reporting person's retirement or other termination of service. |