X0508 4 2025-03-31 0000016040 CABOT CORP CBT 0001189833 ENRIQUEZ CABOT JUAN C/O CABOT CORPORATION TWO SEAPORT LANE, SUITE 1400 BOSTON MA 02210 true false false false false Phantom Stock Units 2025-03-31 4 A false 330.7673 83.14 A Common Stock 330.7673 53282.9841 D 1 for 1 The shares have been deferred pursuant to Cabot's Non-Employee Directors' Deferral Plan. By: Mazda Cintron, pursuant to a power of attorney from Juan Enriquez 2025-04-02