X0202 4 2008-06-13 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 2008-06-13 4 S 0 200 71.57 D 189264 D Common Stock 2008-06-13 4 S 0 100 71.57 D 189164 D Common Stock 2008-06-13 4 S 0 100 71.58 D 189064 D Common Stock 2008-06-13 4 S 0 200 71.80 D 188864 D Common Stock 2008-06-13 4 S 0 200 71.82 D 188664 D Common Stock 2008-06-13 4 S 0 200 71.94 D 188464 D Common Stock 2008-06-13 4 S 0 400 71.94 D 188064 D Common Stock 2008-06-13 4 S 0 200 71.97 D 187864 D Common Stock 2008-06-13 4 S 0 200 71.98 D 187664 D Common Stock 2008-06-13 4 S 0 300 72.09 D 187364 D Common Stock 2008-06-13 4 S 0 200 72.27 D 187164 D Common Stock 2008-06-13 4 S 0 200 72.32 D 186964 D Common Stock 2008-06-13 4 S 0 400 72.42 D 186564 D Common Stock 2008-06-13 4 S 0 200 72.68 D 186364 D Common Stock 2008-06-13 4 S 0 300 72.77 D 186064 D Common Stock 2008-06-13 4 S 0 200 72.79 D 185864 D Common Stock 2008-06-13 4 S 0 400 72.81 D 185464 D Common Stock 2008-06-13 4 S 0 200 72.85 D 185264 D Common Stock 2008-06-13 4 S 0 100 72.86 D 185164 D Common Stock 2008-06-13 4 S 0 300 72.87 D 184864 D Common Stock 2008-06-13 4 S 0 100 72.89 D 184764 D Common Stock 2008-06-13 4 S 0 300 72.90 D 184464 D Common Stock 2008-06-13 4 S 0 400 72.91 D 184064 D Common Stock 2008-06-13 4 S 0 100 72.92 D 183964 D Common Stock 2008-06-13 4 S 0 200 72.97 D 183764 D Common Stock 2008-06-13 4 S 0 100 72.97 D 183664 D Common Stock 2008-06-13 4 S 0 100 72.98 D 183564 D Common Stock 2008-06-13 4 S 0 100 73.00 D 183464 D Common Stock 2008-06-13 4 S 0 100 73.01 D 183364 D Common Stock 2008-06-13 4 S 0 200 73.05 D 183164 D 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 2 of 3 /s/ Heidi Miller, by power of attorney 2008-06-17