TransUnion

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No. )

Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐

Check the appropriate box:

TransUnion

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)

Payment of Filing Fee (Check the appropriate box):

March 21, 2024

Dear Fellow Stockholders:

I am pleased to invite you to join our Board of Directors and senior leadership for our 2024 Annual Meeting of Stockholders (Annual Meeting), which will be held on Thursday, May 2, 2024, at 12:00 p.m. Central Daylight Time. Our Annual Meeting will be a virtual meeting of stockholders, which will be conducted via live audio webcast.

The attached Notice of Annual Meeting of Stockholders and proxy statement will serve as your guide to the business to be conducted at the meeting. We are also mailing a Notice of Internet Availability of Proxy Materials (Notice) to our stockholders. We believe the Notice process allows us to provide our stockholders with the information they desire in a timely manner, while saving costs and reducing the environmental impact of our Annual Meeting. The Notice contains instructions on how to access our 2023 Annual Report (which includes our 2023 Form 10-K), proxy statement and proxy card over the Internet, as well as instructions on how to request a paper copy of the materials, if desired.

Your vote is very important to us. We encourage you to sign and return your proxy card and/or vote by telephone or via the Internet following the instructions on the Notice as soon as possible, so that your shares will be represented and voted at the Annual Meeting. Instructions on how to vote are on page 10.

We urge you to read the accompanying proxy statement carefully and to vote FOR the director nominees proposed by the Board of Directors and FOR proposals 2 through 5, in accordance with the recommendations of the Board of Directors.

On behalf of your Board of Directors, thank you for your confidence in TransUnion. We look forward to your continued support.

Chris Cartwright

President & Chief Executive Officer

555 West Adams Street

Chicago, Illinois 60661

NOTICE OF ANNUAL MEETING OF STOCKHOLDERS

To be held on Thursday, May 2, 2024

12:00 p.m. Central Daylight Time

The 2024 Annual Meeting of Stockholders of TransUnion (Annual Meeting) will be held at 12:00 p.m. Central Daylight Time on Thursday, May 2, 2024. We believe that a virtual meeting provides expanded access, improved communication and cost savings for our stockholders and TransUnion. Stockholders will be able to attend and listen to the Annual Meeting live, submit questions and vote their shares electronically at the Annual Meeting from virtually any location around the world. In order to attend and vote at the Annual Meeting, please follow the instructions in the section titled “Questions and Answers About the Annual Meeting” beginning on page 7.

We are holding the Annual Meeting for the following purposes:

The close of business on March 7, 2024 is fixed as the record date for the determination of stockholders entitled to receive notice of, and to vote at, the Annual Meeting or any adjournments or postponements thereof. A complete list of such stockholders will be available for examination, by any stockholder, at our offices in Chicago, Illinois during normal business hours for a period of ten days before the Annual Meeting. Please contact our Corporate Secretary, Rachel W. Mantz, at(312) 985-2000 if you wish to inspect the list of stockholders before the Annual Meeting.

We are pleased to take advantage of the U.S. Securities and Exchange Commission’s “Notice and Access” rule that allows us to provide stockholders with notice of their ability to access proxy materials via the Internet. Under this process, on or around March 21, 2024, we will begin mailing a Notice of Internet Availability of Proxy Materials (Notice) to certain of our stockholders informing them that our proxy statement, 2023 Annual Report (which includes our 2023 Form 10-K) and voting instructions will be available on the Internet as of the same date. The proxy statement will also be made available to all other stockholders on or around March 21, 2024. As more fully described in the Notice, all stockholders may choose to access our proxy materials via the Internet or may request printed materials.

By order of the Board of Directors,

Rachel W. Mantz

Senior Vice President, Deputy General

Counsel and Corporate Secretary

March 21, 2024

IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS

The Notice of the 2024 Annual Meeting, the proxy statement and our 2023 Annual Report

(which includes our 2023 Form 10-K) are available at: www.proxyvote.com

2024 Proxy Statement Contents

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ii

TransUnion

555 West Adams Street

Chicago, Illinois 60661

(312)985-2000

www.transunion.com

PROXY STATEMENT

For the 2024 Annual Meeting of Stockholders

We are furnishing you this proxy statement in connection with the solicitation of proxies by our Board of Directors (or “Board”) to be voted at the 2024 Annual Meeting of Stockholders (the “Annual Meeting”) of TransUnion, a Delaware corporation, sometimes referred to as the “Company,” “we,” “us” or “our.” The Annual Meeting will be held on Thursday, May 2, 2024 at 12:00 p.m. Central Daylight Time virtually, via live audio webcast. You will be able to attend and listen to the Annual Meeting live, submit questions and vote your shares electronically at the Annual Meeting. In order to attend and vote at the Annual Meeting, please follow the instructions in the section titled “Questions and Answers About the Annual Meeting” beginning on page 7.

In accordance with rules and regulations adopted by the U.S. Securities and Exchange Commission (the “SEC”), we are providing our stockholders access to our proxy materials and other Annual Meeting materials on the Internet. Accordingly, a Notice of Internet Availability of Proxy Materials (the “Notice”) will be mailed to our stockholders on or about March 21, 2024, unless a stockholder has previously requested printed materials. Stockholders will have the ability to access the proxy materials and our 2023 Annual Report (which includes our 2023 Form 10-K) on a website referred to in the Notice or request a printed set of the proxy materials to be sent to them by following the instructions in the Notice. The Notice contains instructions on how you can vote on the Internet or by telephone. You will need the 16-digit control number provided on the Notice or your proxy card (if applicable) to vote.

The Notice also provides instructions on how to inform us to send future proxy materials to you electronically bye-mail or in printed form by mail. If you choose to receive future proxy materials bye-mail, you will receive ane-mail next year with instructions containing a link to those materials and a link to the proxy voting site. Your election to receive proxy materials bye-mail or mail will remain in effect until you terminate it.

ELECTION TO RECEIVE ELECTRONIC DELIVERY OF FUTURE ANNUAL MEETING MATERIALS.

You can expedite delivery and avoid costly mailings by confirming in advance your preference for electronic

delivery. For further information on how to take advantage of this cost-saving service, please see page 12

of the proxy statement.