X0202 4 2008-01-08 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 2008-01-08 4 S 0 200 73.14 D 28070543 D Common Stock 2008-01-08 4 S 0 100 72.83 D 28070443 D Common Stock 2008-01-08 4 S 0 300 72.74 D 28070143 D Common Stock 2008-01-08 4 S 0 100 73.00 D 28070043 D Common Stock 2008-01-08 4 S 0 300 73.06 D 28069743 D Common Stock 2008-01-08 4 S 0 180 72.88 D 28069563 D Common Stock 2008-01-08 4 S 0 100 72.48 D 28069463 D Common Stock 2008-01-08 4 S 0 300 72.63 D 28069163 D Common Stock 2008-01-08 4 S 0 487 72.94 D 28068676 D Common Stock 2008-01-08 4 S 0 100 72.96 D 28068576 D Common Stock 2008-01-08 4 S 0 200 73.00 D 28068376 D Common Stock 2008-01-08 4 S 0 100 72.92 D 28068276 D Common Stock 2008-01-08 4 S 0 100 73.19 D 28068176 D Common Stock 2008-01-08 4 S 0 300 73.21 D 28067876 D Common Stock 2008-01-08 4 S 0 300 73.29 D 28067576 D Common Stock 2008-01-08 4 S 0 300 73.28 D 28067276 D Common Stock 2008-01-08 4 S 0 300 73.18 D 28066976 D Common Stock 2008-01-08 4 S 0 100 73.07 D 28066876 D Common Stock 2008-01-08 4 S 0 100 73.02 D 28066776 D Common Stock 2008-01-08 4 S 0 76 73.08 D 28066700 D Common Stock 2008-01-08 4 S 0 200 73.01 D 28066500 D Common Stock 2008-01-08 4 S 0 870 73.16 D 28065630 D Common Stock 2008-01-08 4 S 0 600 73.26 D 28065030 D Common Stock 2008-01-08 4 S 0 300 73.23 D 28064730 D Common Stock 2008-01-08 4 S 0 200 73.34 D 28064530 D Common Stock 2008-01-08 4 S 0 100 73.42 D 28064430 D Common Stock 2008-01-08 4 S 0 100 73.35 D 28064330 D Common Stock 2008-01-08 4 S 0 100 73.38 D 28064230 D Common Stock 2008-01-08 4 S 0 100 73.40 D 28064130 D Common Stock 2008-01-08 4 S 0 200 73.17 D 28063930 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 1 of 2 /s/ Heidi Miller, by power of attorney 2008-01-10