X0609 4 2026-10-15 0 0001013237 FACTSET RESEARCH SYSTEMS INC FDS 0001282677 ABRAMS ROBIN ANN false C/O FACTSET RESEARCH SYSTEMS INC. 45 GLOVER AVENUE NORWALK CT 06850 1 0 0 0 0 Common Stock 2026-10-15 4 G 0 125 0 D 15365 D Common Stock 2026-10-15 4 G 0 125 0 D 15240 D Common Stock 2026-10-15 4 G 0 125 0 D 15115 D Reflects a gift of common stock to an individual. /s/ WINNIFRED LEWIS, Attorney in Fact for Robin A. Abrams 2026-10-19