X0202 4 2008-01-09 0001289419 Morningstar, Inc. MORN 0001323907 Armour Timothy K C/O MORNINGSTAR, INC. 225 WEST WACKER DRIVE CHICAGO IL 60606 0 1 0 0 Managing Director Common Stock 2008-01-09 4 S 0 400 69.35 D 299292 D Common Stock 2008-01-09 4 S 0 300 69.36 D 298992 D Common Stock 2008-01-09 4 S 0 100 69.42 D 298892 D Common Stock 2008-01-09 4 S 0 300 69.43 D 298592 D Common Stock 2008-01-09 4 S 0 300 69.44 D 298292 D Common Stock 2008-01-09 4 S 0 777 69.45 D 297515 D Common Stock 2008-01-09 4 S 0 300 69.49 D 297215 D Common Stock 2008-01-09 4 S 0 300 69.50 D 296915 D Common Stock 2008-01-09 4 S 0 400 69.55 D 296515 D Common Stock 2008-01-09 4 S 0 300 69.57 D 296215 D Common Stock 2008-01-09 4 S 0 300 69.59 D 295915 D Common Stock 2008-01-09 4 S 0 300 69.61 D 295615 D Common Stock 2008-01-09 4 S 0 100 69.63 D 295515 D Common Stock 2008-01-09 4 S 0 300 69.68 D 295215 D Common Stock 2008-01-09 4 S 0 500 69.70 D 294715 D Common Stock 2008-01-09 4 S 0 300 69.71 D 294415 D Common Stock 2008-01-09 4 S 0 300 69.96 D 294115 D The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 12, 2007. Form 3 of 3 /s/ Heidi Miller, by power of attorney 2008-01-11