X0508 4 2025-12-02 0 0001013237 FACTSET RESEARCH SYSTEMS INC FDS 0002046816 McLoughlin Christopher 45 GLOVER AVENUE NORWALK CT 06850 0 1 0 0 Chief Legal Officer 0 Common Stock 2025-12-02 4 F 0 731 278.28 D 2714.62 D Represents the number of shares withheld to cover the cost of taxes upon vesting of restricted stock units granted on December 2, 2024, which was previously reported. The restricted stock units vest 50% annually on the anniversary date of the grant and are fully vested after two years. /s/ WINNIFRED LEWIS, Attorney in Fact for Christopher McLoughlin 2025-12-03