TRANSUNION CORP.

FY: Dec 31 2013

Q: Sep 30 2013

Q: Jun 30 2013

FY: Dec 31 2012

Q: Mar 31 2013

FY: Dec 31 2012

Q: Sep 30 2012

Q: Jun 30 2012

Q: Mar 31 2012

FY: Dec 31 2011

Q: Sep 30 2011

Q: Jun 30 2011

Q: Mar 31 2011

Entry into a Material Definitive Agreement

7.01

Financial Statements and Exhibits

2.02,9.01

5.02

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

1.01,2.01,2.03,5.02,9.01

1.01

2.02,9.01

7.01,9.01

5.02,7.01,9.01

2.02,9.01

2.02,9.01

5.02

2.02,9.01

5.02,9.01

2.02,9.01

2.02,9.01

8.01,9.01

5.02

No description available

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration (IPO) statement under Securities Act of 1933

Withdrawal of a registration statement

Amended Initial Registration Statement

Amended Initial Registration Statement

Amended Initial Registration Statement

Registration (IPO) statement under Securities Act of 1933

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration statement under Securities Act of 1933

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC