X0202 4 2008-01-30 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 2008-01-30 4 S 0 66 61.84 D 27967779 D Common Stock 2008-01-30 4 S 0 100 61.78 D 27967679 D Common Stock 2008-01-30 4 S 0 300 61.82 D 27967379 D Common Stock 2008-01-30 4 S 0 310 61.90 D 27967069 D Common Stock 2008-01-30 4 S 0 300 61.83 D 27966769 D Common Stock 2008-01-30 4 S 0 300 61.95 D 27966469 D Common Stock 2008-01-30 4 S 0 500 61.93 D 27965969 D Common Stock 2008-01-30 4 S 0 100 62.00 D 27965869 D Common Stock 2008-01-30 4 S 0 200 61.97 D 27965669 D Common Stock 2008-01-30 4 S 0 3005 61.66 D 27962664 D Common Stock 2008-01-30 4 S 0 100 61.71 D 27962564 D Common Stock 2008-01-30 4 S 0 1100 61.73 D 27961464 D Common Stock 2008-01-30 4 S 0 800 61.77 D 27960664 D Common Stock 2008-01-30 4 S 0 200 61.79 D 27960464 D Common Stock 2008-01-30 4 S 0 300 61.89 D 27960164 D Common Stock 2008-01-30 4 S 0 100 61.69 D 27960064 D Common Stock 2008-01-30 4 S 0 200 61.78 D 27959864 D Common Stock 2008-01-30 4 S 0 19 61.76 D 27959845 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. /s/ Heidi Miller, by power of attorney 2008-01-31