X0306 4 2012-08-07 0000749251 GARTNER INC IT 0001198849 HALL EUGENE A 56 TOP GALLANT ROAD P.O. BOX 10212 STAMFORD CT 06904-2212 1 1 CEO Common Stock 2012-08-07 4 M 0 271460 18.10 A 1150217 D Common Stock 2012-08-07 4 D 0 102364 48.00 D 1047853 D Common Stock 2012-08-07 4 F 0 72965 48.00 D 974888 D Stock Appreciation Rights 18.10 2012-08-07 4 M 0 271460 0 D 2009-02-15 2015-02-15 Common Stock 271460 0 D Represents the simultaneous sale back to the issuer of this number of shares having an aggregrate value, based on the market price on the date of exercise, substantially equal to the aggregrate exercise price of the SARs. Represents shares withheld from the settlement of the SARs for the payment of applicable income and payroll tax withholding due upon exercise. The SARs became exercisable in four substantially equal annual installments commencing on 2/15/2009 and are fully exercisable. /s/ Jane Lucas for Eugene A. Hall 2012-08-08