X0202 4 2008-02-12 0001289419 Morningstar, Inc. MORN 0001324069 Mansueto Joseph D C/O MORNINGSTAR, INC. 225 WEST WACKER DRIVE CHICAGO IL 60606 1 1 0 0 Chairman & CEO Common Stock 2008-02-13 4 S 0 300 64.64 D 27923645 D Common Stock 2008-02-13 4 S 0 400 64.73 D 27923245 D Common Stock 2008-02-13 4 S 0 300 64.87 D 27922945 D Common Stock 2008-02-13 4 S 0 300 64.93 D 27922645 D Common Stock 2008-02-13 4 S 0 300 64.92 D 27922345 D Common Stock 2008-02-13 4 S 0 300 65.00 D 37922045 D Common Stock 2008-02-13 4 S 0 300 65.05 D 27921745 D Common Stock 2008-02-13 4 S 0 300 64.71 D 27921445 D Common Stock 2008-02-13 4 S 0 300 64.76 D 27921145 D Common Stock 2008-02-13 4 S 0 201 65.01 D 27920944 D Common Stock 2008-02-13 4 S 0 100 65.03 D 27920844 D Common Stock 2008-02-13 4 S 0 200 65.02 D 27920644 D Common Stock 2008-02-13 4 S 0 300 65.04 D 27920344 D Common Stock 2008-02-13 4 S 0 300 65.18 D 27920044 D Common Stock 2008-02-13 4 S 0 200 68.33 D 27919844 D Common Stock 2008-02-13 4 S 0 300 64.98 D 27919544 D Common Stock 2008-02-13 4 S 0 299 65.33 D 27919245 D Common Stock 2008-02-13 4 S 0 200 68.30 D 27919045 D Common Stock 2008-02-13 4 S 0 100 68.48 D 27918945 D Common Stock 2008-02-13 4 S 0 550 68.44 D 27918395 D Common Stock 2008-02-13 4 S 0 100 68.35 D 27918295 D Common Stock 2008-02-13 4 S 0 300 68.47 D 27917995 D Common Stock 2008-02-13 4 S 0 100 68.38 D 27917895 D Common Stock 2008-02-13 4 S 0 50 68.27 D 27917845 D Common Stock 2008-02-13 4 S 0 300 68.26 D 27917545 D Common Stock 2008-02-13 4 S 0 300 68.66 D 27917245 D Common Stock 2008-02-13 4 S 0 200 68.37 D 27917045 D Common Stock 2008-02-13 4 S 0 130 68.36 D 27916915 D Common Stock 2008-02-13 4 S 0 170 68.33 D 27916745 D Common Stock 2008-02-13 4 S 0 300 68.61 D 27916445 D The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2007. Form 2 of 3 /s/ Heidi Miller, by power of attorney 2008-02-14