Cabot Corporation appointed Steven J. Delahunt as interim Chief Financial Officer, effective October 1, 2026, replacing Erica McLaughlin who transitions to President and Chief Executive Officer. Delahunt, currently Vice President and Treasurer, will receive a monthly cash stipend of $35,000 during his interim tenure while the company searches for a permanent CFO. This leadership change follows the previously announced promotion of McLaughlin from her role as Executive Vice President, Chief Financial Officer and Head of Corporate Strategy to succeed Sean Keohane as CEO.