X0202 4 2008-06-10 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 2008-06-10 4 S 0 100 69.87 D 27598092 D Common Stock 2008-06-10 4 S 0 100 69.85 D 27597992 D Common Stock 2008-06-10 4 S 0 100 69.84 D 27597892 D Common Stock 2008-06-10 4 S 0 100 69.96 D 27597792 D Common Stock 2008-06-10 4 S 0 100 70.05 D 27597692 D Common Stock 2008-06-10 4 S 0 337 69.92 D 27597355 D Common Stock 2008-06-10 4 S 0 200 70.00 D 27597155 D Common Stock 2008-06-10 4 S 0 100 70.07 D 27597055 D Common Stock 2008-06-10 4 S 0 200 70.11 D 27596855 D Common Stock 2008-06-10 4 S 0 100 69.90 D 27596755 D Common Stock 2008-06-10 4 S 0 100 69.88 D 27596655 D Common Stock 2008-06-10 4 S 0 200 69.75 D 27596455 D Common Stock 2008-06-10 4 S 0 100 69.57 D 27596355 D Common Stock 2008-06-10 4 S 0 206 69.50 D 27596149 D Common Stock 2008-06-10 4 S 0 270 69.52 D 27595879 D Common Stock 2008-06-10 4 S 0 1368 69.49 D 27594511 D Common Stock 2008-06-10 4 S 0 400 69.55 D 27594111 D Common Stock 2008-06-10 4 S 0 473 69.51 D 27593638 D Common Stock 2008-06-10 4 S 0 100 69.86 D 27593538 D Common Stock 2008-06-10 4 S 0 100 69.56 D 27593438 D Common Stock 2008-06-10 4 S 0 100 69.58 D 27593338 D Common Stock 2008-06-10 4 S 0 100 69.61 D 27593238 D Common Stock 2008-06-10 4 S 0 200 69.78 D 27593038 D Common Stock 2008-06-10 4 S 0 100 69.71 D 27592938 D Common Stock 2008-06-10 4 S 0 100 69.76 D 27592838 D Common Stock 2008-06-10 4 S 0 139 69.53 D 27592699 D Common Stock 2008-06-10 4 S 0 100 69.62 D 27592599 D Common Stock 2008-06-10 4 S 0 200 69.70 D 27592399 D Common Stock 2008-06-10 4 S 0 100 69.72 D 27592299 D Common Stock 2008-06-10 4 S 0 100 69.80 D 27592199 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 2008-06-12