Form 4 Filing for Thomas F. Trimback

This filing details a Form 4 submission by Thomas F. Trimback, Chief Accounting Officer of BENTLEY SYSTEMS INC. On March 13, 2026, Mr. Trimback disposed of 451 shares of Class B Common Stock at a price of $38.19 per share. This transaction was made to cover taxes due upon the vesting of awards, as indicated by footnote F1. Following this transaction, Mr. Trimback owns 19,471 shares of Class B Common Stock. The filing was signed by Michael T. Fischette, acting as Attorney-in-Fact, on March 17, 2026.