Form 4 Filing for Peter K. Johansson

Peter K. Johansson, SVP, Chief Financial Officer of CECO ENVIRONMENTAL CORP, reported a disposition of 30,000 shares of Common Stock on June 24, 2026. The weighted average sale price was $96.4934 per share, with individual transactions ranging from $96.08 to $97.00. Following this transaction, Johansson holds 40,746 shares of Common Stock directly. The filing also details Johansson's holdings in performance-based restricted stock units, with conversions contingent on continued employment and achieving certain stock price targets. These units are set to convert on July 5, 2027, and September 12, 2029, representing 47,247 and 30,000 shares of Common Stock, respectively. The reporting person undertakes to provide further details on sale prices upon request.