Cabot Corp Appoints Interim CFO Amid Management Transition

What Happened

• Cabot Corporation (CBT) filed an 8-K reporting that on September 11, 2026 its Board elected Steven J. Delahunt, the company’s Vice President and Treasurer, to serve as interim Chief Financial Officer effective October 1, 2026. This follows Erica McLaughlin’s election as President and Chief Executive Officer, also effective October 1, 2026. Mr. Delahunt joined Cabot in 2010 and previously served as Vice President of Investor Relations from July 2016 through January 2026.

Key Details

• Interim CFO appointment announced by Board on September 11, 2026; effective October 1, 2026.
• Mr. Delahunt will receive an additional cash stipend of $35,000 per month while serving as interim CFO.
• Appointment is interim while the company continues its search for a permanent CFO.
• Filing states there are no related arrangements or reportable transactions under Item 404(a) involving Mr. Delahunt.

Why It Matters

• A CFO transition affects who leads financial reporting and investor communication; investors should note Cabot has an experienced internal leader stepping in temporarily while a permanent search continues.
• The $35,000 monthly stipend is a clear, quantifiable change to executive compensation during the interim period.
• The 8-K also references a press release on the management transition (Exhibit 99.1) for additional context.