X0206 3 2025-01-30 0 0000749251 GARTNER INC IT 0002053986 Rinello John J 56 TOP GALLANT ROAD STAMFORD CT 06902 1 SVP, Global Business Sales Common Stock 2867 D Restricted Stock Units 0 Common Stock 311 D Restricted Stock Units 0 Common Stock 59 D Restricted Stock Units 0 Common Stock 388 D Restricted Stock Units 0 Common Stock 758 D Restricted Stock Units 0 Common Stock 213 D Restricted Stock Units 0 Common Stock 942 D These RSUs are scheduled to vest on February 10, 2025. These RSUs are scheduled to vest on September 15, 2025. These RSUs are scheduled to vest ratably over two years on February 9, 2025 and February 9, 2026. These RSUs are scheduled to vest ratably over three years on February 9, 2025, February 9, 2026, and February 9, 2027. These RSUs are scheduled to vest ratably over three years on June 30, 2025, June 30, 2026, and June 30, 2027. These RSUs are schedule to vest ratably over four years on February 8, 2025, February 8, 2026, February 8, 2027, and February 8, 2028. /s/ Kevin Tang for John J. Rinello 2025-02-06