X0202 4 2008-06-16 0001289419 Morningstar, Inc. MORN 0001324003 Huang Tao C/O MORNINGSTAR, INC. 225 WEST WACKER DRIVE CHICAGO IL 60606 0 1 0 0 Chief Operating Officer Common Stock 2008-06-16 4 M 0 5000 10.98 A 194864 D Common Stock 2008-06-16 4 M 0 10000 10.98 A 204864 D Common Stock 2008-06-16 4 M 0 10000 14.13 A 214864 D Common Stock 2008-06-16 4 S 0 100 72.10 D 214764 D Common Stock 2008-06-16 4 S 0 100 72.11 D 214664 D Common Stock 2008-06-16 4 S 0 100 72.12 D 214564 D Common Stock 2008-06-16 4 S 0 100 72.25 D 214464 D Common Stock 2008-06-16 4 S 0 200 72.26 D 214264 D Common Stock 2008-06-16 4 S 0 70 72.35 D 214194 D Common Stock 2008-06-16 4 S 0 30 72.38 D 214164 D Common Stock 2008-06-16 4 S 0 400 72.50 D 213764 D Common Stock 2008-06-16 4 S 0 200 72.53 D 213564 D Common Stock 2008-06-16 4 S 0 100 72.55 D 213464 D Common Stock 2008-06-16 4 S 0 200 72.56 D 213264 D Common Stock 2008-06-16 4 S 0 273 72.57 D 212991 D Common Stock 2008-06-16 4 S 0 100 72.58 D 212891 D Common Stock 2008-06-16 4 S 0 100 72.61 D 212791 D Common Stock 2008-06-16 4 S 0 127 72.62 D 212664 D Common Stock 2008-06-16 4 S 0 100 72.63 D 212564 D Common Stock 2008-06-16 4 S 0 100 72.64 D 212464 D Common Stock 2008-06-16 4 S 0 450 72.66 D 212014 D Common Stock 2008-06-16 4 S 0 100 72.69 D 211914 D Common Stock 2008-06-16 4 S 0 200 72.70 D 211714 D Common Stock 2008-06-16 4 S 0 200 72.73 D 211514 D Common Stock 2008-06-16 4 S 0 200 72.75 D 211314 D Common Stock 2008-06-16 4 S 0 300 72.76 D 211014 D Common Stock 2008-06-16 4 S 0 100 72.77 D 210914 D Common Stock 2008-06-16 4 S 0 400 72.78 D 210514 D Common Stock 2008-06-16 4 S 0 100 72.83 D 210414 D Common Stock 2008-06-16 4 S 0 200 72.84 D 210214 D Employee Stock Option (Right to Buy) 10.98 2008-06-16 4 M 0 5000 0 D 2010-01-03 Common Stock 5000 663000 D Employee Stock Option (Right to Buy) 10.98 2008-06-16 4 M 0 10000 0 D 2010-01-03 Common Stock 10000 653000 D Employee Stock Option (Right to Buy) 14.13 2008-06-16 4 M 0 10000 0 D 2011-03-05 Common Stock 10000 480000 D The options became exercisable in four equal installments on January 3, 2001, 2002, 2003 and 2004. The options became exercisable in four equal installments on March 5, 2002, 2003, 2004, and 2005. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 8, 2008. Form 1 of 4 /s/ Heidi Miller, by power of attorney 2008-06-18