Cabot Corporation (CBT) 8-K Filing Summary

Date of Report: November 3, 2025

This 8-K primarily serves to disclose financial results under Item 2.02.

• Event: Cabot Corporation announced operating results for the fiscal quarter ended September 30, 2025.
• Key Information Location: The substantive financial performance metrics, operational highlights, and potential guidance changes are contained within Exhibit 99.1 (the furnished press release).

Investors must review Exhibit 99.1 for specific details on quarterly performance and guidance updates.

• **Registrant