Clean Harbors Director Karyn Polito Reports Acquisition of $39,353.75 in Common Shares

• Clean Harbors director Karyn Polito purchased 125 shares of common stock at $314.83 per share.
• Her direct beneficial ownership rose to 4,252 shares following the purchase.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Clean Harbors Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001965457-26-000007), on November 02, 2026, and is solely responsible for the information contained therein.