Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*

Cello Todd M

2. Date of Event Requiring Statement (MM/DD/YYYY) 8/18/2017

3. Issuer Name and Ticker or Trading Symbol

TransUnion [TRU]

(Last) (First) (Middle)

C/O TRANSUNION, 555 WEST ADAMS STREET

4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director _____ 10% Owner
___ X ___ Officer (give title below) _____ Other (specify below)
EVP & CFO /

(Street)

CHICAGO, IL 60661

(City) (State) (Zip)

5. If Amendment, Date Original Filed (MM/DD/YYYY)

6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	10692	D

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Stock Options (right to buy)	⁽¹⁾	8/1/2022	Common Stock	5893.0	$4.99	D
Stock Options (right to buy)	⁽²⁾	6/24/2025	Common Stock	7200.0	$22.5	D

Explanation of Responses:
(1)	Represents an initial grant of 58,918 stock options, 40% of which vest upon the attainment of time-based vesting criteria and 60% of which vest upon the attainment of both time-based and performance-based vesting criteria. The performance-based vesting criteria was satisfied on February 22, 2017, and all options now follow the time-based vesting criteria as follows: 20% on the first anniversary of the date of grant and 5% on the last day of each subsequent full calendar quarter.
(2)	Represents an initial grant of 10,000 stock options, 40% of which vest upon the attainment of time-based vesting criteria and 60% of which vest upon the attainment of both time-based and performance-based vesting criteria. The performance-based vesting criteria was satisfied on February 22, 2017, and all options now follow the time-based vesting criteria as follows: 20% on the first anniversary of the date of grant and 5% on the last day of each subsequent full calendar quarter.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Cello Todd M C/O TRANSUNION 555 WEST ADAMS STREET CHICAGO, IL 60661			EVP & CFO

Signatures
/s/ Michael J. Forde, by power of attorney		8/21/2017
^** Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.