Form 4 Filing for Cabot Corp - Insider Transaction

This filing details a Form 4 submission for Cabot Corp (CBT) concerning insider transactions. Specifically, it reports on transactions involving Lisa M. Dumont, VP, Controller & CAO. On March 13, 2026, Dumont acquired 4.7528 Phantom Stock Units with a value of $69.49 per share, bringing her total holdings of this type to 738.6704 units. These phantom stock units are linked to Cabot Corp's Supplemental 401(k) Plan and are set to be settled upon the reporting person's retirement or termination of employment. The acquisition is marked under transaction code "A" and ownership is direct. The filing was signed on March 17, 2026, by Jennifer Lombardi under power of attorney for Lisa M. Dumont.