X0202 4 2008-02-19 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 2008-02-19 4 S 0 300 67.04 D 37909064 D Common Stock 2008-02-19 4 S 0 100 66.76 D 27908964 D Common Stock 2008-02-19 4 S 0 100 66.80 D 27908864 D Common Stock 2008-02-19 4 S 0 100 66.77 D 27908764 D Common Stock 2008-02-19 4 S 0 519 66.69 D 27908245 D Common Stock 2008-02-19 4 S 0 200 67.75 D 27908045 D Common Stock 2008-02-19 4 S 0 400 66.92 D 27907645 D Common Stock 2008-02-20 4 S 0 105 67.27 D 27907540 D Common Stock 2008-02-20 4 S 0 300 67.22 D 27907240 D Common Stock 2008-02-20 4 S 0 100 66.89 D 27907140 D Common Stock 2008-02-20 4 S 0 15 66.88 D 27907125 D Common Stock 2008-02-20 4 S 0 100 66.92 D 27907025 D Common Stock 2008-02-20 4 S 0 100 66.86 D 27906925 D Common Stock 2008-02-20 4 S 0 300 66.84 D 27906625 D Common Stock 2008-02-20 4 S 0 5280 66.83 D 27901345 D Common Stock 2008-02-20 4 S 0 300 67.22 D 27901045 D Common Stock 2008-02-20 4 S 0 100 67.30 D 27900945 D Common Stock 2008-02-20 4 S 0 200 67.24 D 27900745 D Common Stock 2008-02-20 4 S 0 300 66.87 D 27900445 D Common Stock 2008-02-20 4 S 0 200 66.98 D 27900245 D Common Stock 2008-02-20 4 S 0 200 67.00 D 27900045 D Common Stock 2008-02-20 4 S 0 200 67.03 D 27899845 D Common Stock 2008-02-20 4 S 0 100 67.01 D 27899745 D Common Stock 2008-02-20 4 S 0 100 66.83 D 27899645 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 2 of 2 /s/ Heidi Miller, by power of attorney 2008-02-21