X0202 4 2008-06-02 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 2008-06-02 4 M 0 3000 10.98 A 183664 D Common Stock 2008-06-02 4 S 0 140 70.03 D 183524 D Common Stock 2008-06-02 4 S 0 40 70.04 D 183484 D Common Stock 2008-06-02 4 S 0 121 70.06 D 183363 D Common Stock 2008-06-02 4 S 0 66 70.08 D 183297 D Common Stock 2008-06-02 4 S 0 267 70.12 D 183030 D Common Stock 2008-06-02 4 S 0 34 70.13 D 182996 D Common Stock 2008-06-02 4 S 0 67 70.13 D 182929 D Common Stock 2008-06-02 4 S 0 100 70.14 D 182829 D Common Stock 2008-06-02 4 S 0 33 70.15 D 182796 D Common Stock 2008-06-02 4 S 0 200 70.16 D 182596 D Common Stock 2008-06-02 4 S 0 67 70.17 D 182529 D Common Stock 2008-06-02 4 S 0 100 70.18 D 182429 D Common Stock 2008-06-02 4 S 0 133 70.19 D 182296 D Common Stock 2008-06-02 4 S 0 34 70.20 D 182262 D Common Stock 2008-06-02 4 S 0 100 70.20 D 182162 D Common Stock 2008-06-02 4 S 0 33 70.21 D 182129 D Common Stock 2008-06-02 4 S 0 19 70.22 D 182110 D Common Stock 2008-06-02 4 S 0 348 70.23 D 181762 D Common Stock 2008-06-02 4 S 0 200 70.24 D 181562 D Common Stock 2008-06-02 4 S 0 33 70.29 D 181529 D Common Stock 2008-06-02 4 S 0 34 70.33 D 181495 D Common Stock 2008-06-02 4 S 0 33 70.34 D 181462 D Common Stock 2008-06-02 4 S 0 67 70.38 D 181395 D Common Stock 2008-06-02 4 S 0 100 70.39 D 181295 D Common Stock 2008-06-02 4 S 0 33 70.40 D 181262 D Common Stock 2008-06-02 4 S 0 33 70.41 D 181229 D Common Stock 2008-06-02 4 S 0 66 70.47 D 181163 D Common Stock 2008-06-02 4 S 0 7 70.76 D 181156 D Common Stock 2008-06-02 4 S 0 26 70.78 D 181130 D Employee Stock Option (Right to Buy) 10.98 2008-06-02 4 M 0 3000 0 D 2010-01-03 Common Stock 3000 685000 D The options became exercisable in four equal installments on January 3, 2001, 2002, 2003 and 2004. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2008. Form 1 of 2 /s/ Heidi Miller, by power of attorney 2008-06-04