X0609 4 2026-09-29 0 0001031308 BENTLEY SYSTEMS INC BSY 0002062214 Moutte Julien false C/O BENTLEY SYSTEMS, INCORPORATED 685 STOCKTON DRIVE EXTON PA 19341 0 1 0 0 Chief Technology Officer 0 Class B Common Stock 2026-09-29 4 A 0 106 0.00 A 90862 D Represents dividend equivalent rights that accrued to the Reporting Person in connection with a dividend paid by the Issuer on awards previously granted and vest on the same terms as the awards to which they relate. Includes shares of Class B Common Stock acquired by the Reporting Person through the Bentley Systems, Incorporated Global Employee Stock Purchase Plan for an offering period ended on June 30, 2026 for which the Reporting Person's enrollment and contribution elections were made in December 2025. Total has been adjusted to account for dividend equivalent rights incorrectly included in prior reports. /s/ Michael T. Fischette, Attorney-in-Fact 2026-10-01