X0306 4 2023-03-01 0001289419 Morningstar, Inc. MORN 0001692166 Dunn Daniel Joseph C/O MORNINGSTAR, INC. 22 W WASHINGTON ST CHICAGO IL 60602 0 1 0 0 Chief Revenue Officer Common Stock (Restricted Stock Units) 2023-03-01 4 A 0 249 0 A 12654 D Each restricted stock unit represents a contingent right to receive one share of Morningstar, Inc. common stock. The restricted stock units vest in full on August 31, 2024. /s/ Leah Trzcinski, by power of attorney 2023-03-03