Form 4 Filing for Peter Johansson

This filing details stock transactions made by Peter Johansson, SVP and Chief Financial Officer of CECO Environmental Corp. On March 15, 2026, Johansson acquired 16,083 shares of Common Stock for $0.00, bringing his total to 75,703 shares. He also disposed of 4,967 shares at $54.85 and 1,731 shares at $54.50, reducing his holdings to 70,736 and 69,005 shares, respectively. On March 16, 2026, he acquired an additional 3,944 shares for $0.00, increasing his total to 72,949 shares. On March 17, 2026, he disposed of 1,570 shares at $57.06, leaving him with 71,379 shares. The filing also notes transactions related to restricted stock units, with conversions to common stock contingent on continued employment and stock price targets.