Morningstar, Inc. — Director's Dealing 2011

Jan 27, 2011

SEC Form 4/A — Form 4/A

Issuer: Morningstar, Inc. (MORN)
CIK: 0001289419
Period of Report: 2010-05-26

Reporting Person: Sturm Paul W (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-26	Common Stock	S	900	$47.1577	Disposed	68435	Direct
2010-05-26	Common Stock	S	100	$47.85	Disposed	68335	Direct

Footnotes

F1: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 27, 2009.

F2: This transaction was executed in multiple trades at prices ranging from $46.80 to $47.37. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, Morningstar or a shareholder of Morningstar full information regarding the number of shares and prices at which the transaction was effected.

F3: This amendment is being filed to reflect the correct transaction date of 05/26/2010.