On September 27, 2012, Morningstar Australasia Pty Limited, a subsidiary of Morningstar, Inc., issued a press release announcing that it has entered into an agreement for Sterling Publishing Pty Ltd to acquire Morningstar's Australian financial services trade publishing business. A copy of the press release is filed as Exhibit 99.1 to this Form 8-K.

On September 28, 2012, Morningstar, Inc. issued a press release announcing that its Board of Directors has approved a quarterly cash dividend of 10 cents per share payable October 31, 2012 to shareholders of record as of October 12, 2012. A copy of the press release is filed as Exhibit 99.2 to this Form 8-K.

On October 1, 2012, Morningstar, Inc. issued a press release announcing that Morningstar has acquired a 34% equity stake in Inquiry Financial Europe AB based in Bromma, Sweden. A copy of the press release is filed as Exhibit 99.3 to this Form 8-K.

On October 1, 2012, Morningstar, Inc. issued a press release announcing that it has entered into an agreement to sell its investor relations business to UK-based Investis, a leading specialist in digital corporate communications for public companies. A copy of the press release is filed as Exhibit 99.4 to this Form 8-K.

(d) Exhibits:

Exhibit No.                                Description

99.1          Press Release dated September 27, 2012 regarding Sterling Publishing
              Pty Ltd.

99.2          Press Release dated September 28, 2012 regarding quarterly dividend.

99.3          Press Release dated October 1, 2012 regarding Inquiry Financial Europe
              AB.

99.4          Press Release dated October 1, 2012 regarding Ivestis.