Form 4 Filing for Raffiq Nathoo - Insider Transaction

This filing details a Form 4 submission by Raffiq Nathoo, a director at Cabot Corp. On June 12, 2026, Nathoo acquired 8.667 phantom stock units, with a transaction value of $87.65 per unit. These units are related to dividends on phantom stock acquired under the Non-Employee Director's Deferral Plan and will be settled upon termination of service or as per the reporting person's distribution election. The post-transaction number of shares owned is 1616.4104. The transaction was signed by Jennifer Lombardi under a power of attorney for Raffiq Nathoo.