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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:


☐		Preliminary Proxy Statement

☐		Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☑		Definitive Proxy Statement

☐		Definitive Additional Materials

☐		Soliciting Material Pursuant to § 240.14a-12

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):


☒		No fee required.

☐		Fee paid previously with preliminary materials.

☐		Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

LOGO

March 24, 2026

Dear Fellow Stockholders:

I am pleased to invite you to join our Board of Directors and senior leadership for our 2026 Annual Meeting of Stockholders (Annual Meeting), which will be held on Tuesday, May 12, 2026, 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 2025 Annual Report (which includes our 2025 Annual Report on 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 of the proxy statement.

We urge you to read the accompanying proxy statement carefully and to vote FOR the director nominees proposed by the Board of Directors, FOR proposals 2 and 3 and AGAINST proposal 4, 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.

LOGO

Chris Cartwright

President & Chief Executive Officer

LOGO

555 West Adams Street

Chicago, Illinois 60661

NOTICE OF ANNUAL MEETING OF STOCKHOLDERS

To be held on Tuesday, May 12, 2026

12:00 p.m. Central Daylight Time

The 2026 Annual Meeting of Stockholders of TransUnion (Annual Meeting) will be held at 12:00 p.m. Central Daylight Time on Tuesday, May 12, 2026. 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 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:

To elect each of George M. Awad, Christopher A. Cartwright, Sayan Chakraborty, Suzanne P. Clark, Hamidou Dia, Russell P. Fradin, Charles E. Gottdiener, Pamela A. Joseph, Thomas L. Monahan, III, Ravi Kumar Singisetti, Charlotte B. Yarkoni and Linda K. Zukauckas to the Board of Directors for a term of one year;

To ratify the appointment of PricewaterhouseCoopers LLP as TransUnion’s independent registered public accounting firm for the fiscal year ending December 31, 2026;

To hold a non-binding advisory vote to approve the compensation of TransUnion’s named executive officers;

To hold an advisory vote on a stockholder proposal set forth in the proxy statement, if properly presented; and

To transact any other business that may properly come before the Annual Meeting or any adjournments or postponements of the Annual Meeting.

The close of business on March 16, 2026 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 24, 2026, we will begin mailing a Notice of Internet Availability of Proxy Materials (Notice) to certain of our stockholders informing them that our proxy statement, 2025 Annual Report (which includes our 2025 Annual Report on Form 10-K for the year ended December 31, 2025) 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 24, 2026. 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,

LOGO

Rachel W. Mantz

Senior Vice President, Deputy General

Counsel and Corporate Secretary

March 24, 2026

IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS

The Notice of the 2026 Annual Meeting, the proxy statement and our 2025 Annual Report

(which includes our 2025 Annual Report on Form 10-K for the year ended December 31, 2025) are available at: www.proxyvote.com

2026 Proxy Statement Contents



CEO LETTER TO STOCKHOLDERS

NOTICE OF ANNUAL MEETING OF STOCKHOLDERS

IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS

PROXY STATEMENT SUMMARY			2

QUESTIONS AND ANSWERS ABOUT THE ANNUAL MEETING			7

CORPORATE GOVERNANCE AND RELATED MATTERS			13

General			13
Board Leadership Structure and Role of Board in Risk Oversight			13
Director Independence			15
Mandatory Retirement			15
No Term Limits			16
Stockholder Engagement			16
Proxy Access			16
Communications with Directors			16
Meetings and Meeting Attendance			16
Sustainability Overview			17
Considerations for Board Nominees			19
Board Evaluations			20
Management Succession Planning			20
Background and Experience of Directors			21
Board Committees			28
Code of Business Conduct			32
Related Person Transactions			32
Compensation Committee Interlocks and Insider Participation			33

SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT			34

Delinquent Section 16(a) Reports			35

PROPOSAL 1: ELECTION OF DIRECTORS			36

Director Compensation			36

PROPOSAL 2: RATIFICATION OF APPOINTMENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM			39

Ratification of Appointment of PricewaterhouseCoopers LLP			39
Audit and Related Fees			39
Audit Committee Report			40

PROPOSAL 3: NON-BINDING ADVISORY VOTE TO APPROVE NAMED EXECUTIVE OFFICER COMPENSATION			42



COMPENSATION DISCUSSION AND ANALYSIS			43

Executive Summary			43
Executive Compensation Philosophy and Governance Practices Align with Stockholders’ Interests, Reflect Best Practices and Promote Thoughtful Decision-Making While Discouraging Unnecessary and Excessive Risk Taking			46
Role of Compensation Committee, Management and Compensation Consultant in Compensation Decisions			48
Overview of 2025 Target Compensation Mix			48
Key Executive Compensation Components			50
Market Analysis and Benchmarking			51
2025 Executive Compensation Program			52

COMPENSATION COMMITTEE REPORT			62

EXECUTIVE COMPENSATION			63

Summary Compensation Table — 2025			63
Detailed Analysis of Amounts Included in the “All Other Compensation” Column for 2025			64
Grants of Plan-Based Awards — 2025			65
Narrative Disclosure to Summary Compensation Table and Grants of Plan-Based Awards Table			66
Outstanding Equity Awards at Fiscal Year-End — 2025			67
Options Exercised and Stock Vested — 2025			68
Nonqualified Deferred Compensation — 2025			68
Payments upon Termination and Change in Control — 2025			70

PAY RATIO DISCLOSURE			73

PAY VERSUS PERFORMANCE DISCLOSURE			74

RISK ASSESSMENT IN COMPENSATION PROGRAMS			79

EQUITY COMPENSATION PLAN INFORMATION			79

PROPOSAL 4: ADVISORY VOTE ON A STOCKHOLDER PROPOSAL REQUESTING A STOCKHOLDER RIGHT TO CALL A SPECIAL MEETING			80

Proposal 4 - Give Shareholders the Ability to Call for a Special Shareholder Meeting			80
Board Response to Proposal 4: Advisory Vote on a Stockholder Proposal Requesting a Stockholder Right to Call a Special Meeting			80

OTHER INFORMATION			82

Other Business			82
Proxy Solicitation			82
Stockholder Proposals for 2027 Annual Meeting and Director Nominations			82
Additional Information Available			83

LOGO

TransUnion

555 West Adams Street

Chicago, Illinois 60661

(312) 985-2000

www.transunion.com

PROXY STATEMENT

For the 2026 Annual Meeting of Stockholders

We are furnishing you this proxy statement in connection with the solicitation of proxies by our Board of Directors (the “Board”) to be voted at the 2026 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 Tuesday, May 12, 2026 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 24, 2026, unless a stockholder has previously requested printed materials. Stockholders will have the ability to access the proxy materials and our 2025 Annual Report (which includes our 2025 Annual Report on Form 10-K for the year ended December 31, 2025 (“2025 Annual Report on 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 by e-mail or in printed form by mail. If you choose to receive future proxy materials by e-mail, you will receive an e-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 by e-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.

PROXY STATEMENT SUMMARY

This proxy statement summary highlights information contained elsewhere in this proxy statement. This summary does not contain all of the information that you should consider, and you should read the entire proxy statement and our 2025 Annual Report (which includes our 2025 Annual Report on Form 10-K) carefully before voting.

Annual Meeting of Stockholders

Time and Date:

Tuesday, May 12, 2026 at
12:00 p.m. Central Daylight Time

Record Date:

March 16, 2026

Virtual Meeting Access:

www.virtualshareholdermeeting.com/TRU2026

Voting: Stockholders as of the record date are entitled to vote. We urge you to vote before the meeting.

Voting Matters


Agenda Item	Board Vote Recommendation	Page Reference

1. Election of Directors The Board recommends the election of each of the 12 director nominees for a one-year term.	FOR each Director Nominee	36

2. Ratification of Appointment of PricewaterhouseCoopers LLP as TransUnion’s Independent Registered Public Accounting Firm The Board is asking stockholders to ratify the selection of PricewaterhouseCoopers LLP as TransUnion’s Independent Registered Public Accounting Firm for fiscal year 2026.	FOR	39

3. Advisory Vote to Approve the Compensation of TransUnion’s Named Executive Officers The Board is asking stockholders to approve, on a non-binding advisory basis, the compensation of TransUnion’s named executive officers as disclosed in this proxy statement.	FOR	42

4. Advisory Vote on a Stockholder Proposal Requesting a Stockholder Right to Call a Special Meeting The Board recommends stockholders vote against the stockholder proposal requesting a stockholder right to call a special meeting of stockholders as described in this proxy statement, if properly presented at the Annual Meeting.	AGAINST	80

Submitting Questions During the Annual Meeting

We are committed to ensuring, to the extent possible, that stockholders will be afforded the ability to participate at the virtual meeting similarly to how they would participate at an in-person meeting. As part of the Annual Meeting, we will answer questions following the presentation of each proposal to be voted on at the Annual Meeting, and will hold a live online Q&A session, during which we intend to answer questions submitted before or during the Annual Meeting, as time permits. Questions must be confined to matters properly brought before the Annual Meeting and/or of general Company concern. We reserve the right to edit profanity or other inappropriate language, or to exclude questions that are not pertinent to meeting matters or that are otherwise inappropriate. If we receive substantially similar questions, we will group such questions together and provide a single response to avoid repetition. We kindly ask stockholders not to ask more than two questions in order to allow us to answer questions from as many stockholders as possible. Questions may be submitted during the Annual Meeting through www.virtualshareholdermeeting.com/TRU2026.

Technical Assistance During the Annual Meeting

If you encounter any difficulties accessing the virtual meeting during the check-in or meeting time, please call the technical support number that will be posted on the login page at www.virtualshareholdermeeting.com/TRU2026. Please check in beginning at 11:45 a.m. Central Daylight Time on May 12, 2026, the day of the Annual Meeting, so we may address any technical difficulties before the Annual Meeting.

Corporate Governance Highlights

The Board is responsible for overseeing our assets and business affairs in an honest, fair and ethical manner driven by comprehensive corporate governance principles, including the following:



Governance Highlights

Majority voting for directors Declassified Board of Directors No supermajority voting provisions Clawback policy Stock ownership guidelines for executives and directors 11 of 12 director nominees are independent Mandatory retirement age of 75 for directors (subject to waiver)		No poison pill Independent Audit, Compensation and Nominating and Corporate Governance (“NCG”) Committees No pledging or hedging of TransUnion stock Active stockholder engagement Robust director nominee selection process Bylaws include proxy access provision

Director Nominees – Key Facts

The following table provides summary information about each director nominee as of March 16, 2026. More detailed information about each director nominee’s background, skill set and experience can be found beginning on page 21.

Name and Occupation

Age

Director
Since

Independent

Committee Membership⁽¹⁾⁽²⁾

Other Public
Company Boards

George M. Awad

Principal, Gibraltar Capital Corporation

2013

☑

●

—

Christopher A. Cartwright

President & Chief Executive Officer, TransUnion

2019

●

—

Sayan Chakraborty⁽³⁾

Former President, Product and Technology, Workday, Inc.

2026

☑

●

—

Suzanne P. Clark

President and CEO, U.S. Chamber of Commerce

2017

☑

●

AGCO Corporation

Hamidou Dia

VP, Applied AI Engineering, Google Cloud

2022

☑

●

—

Russell P. Fradin

Operating Partner, Clayton, Dubilier & Rice

2018

☑

●

Alight, Inc.

Charles E. Gottdiener

CEO, Anaplan, Inc.

2022

☑

●

—

Pamela A. Joseph

Former CEO and Executive Chair, Xplor Technologies

2015

☑

●

Paychex, Inc.

Adyen N.V.

Ravi Kumar⁽⁴⁾

CEO, Cognizant Technology Solutions Corporation

2022

☑

●

Cognizant Technology Solutions Corporation

Thomas L. Monahan, III

CEO, Heidrick & Struggles International, Inc.

2017

☑

●

—

Charlotte B. Yarkoni⁽³⁾

Former President, Commerce, Ecosystems, Cloud and AI, Microsoft Corporation

2026

☑

●

Fiserv

Linda K. Zukauckas

CFO, Integrity, LLC

2023

☑

●

—

(1) Effective April 1, 2025, Mr. Monahan stepped down from his role as the Chairperson of the Audit Committee and as a member of the Audit Committee. The Board appointed Ms. Zukauckas to serve as the Chairperson of the Audit Committee, effective April 1, 2025.

(2) Effective April 1, 2025, Mr. Fradin stepped down from his role as the Chairperson of the Compensation Committee but continues to serve as a member of the Compensation Committee. The Board appointed Mr. Monahan to serve as the Chairperson of the Compensation Committee, effective April 1, 2025.

(3) Each of Mr. Chakraborty and Ms. Yarkoni was appointed by the Board to serve as a director, effective January 5, 2026, to fill a newly created directorship and to serve for the balance of the one-year term expiring at the Annual Meeting, or until his or her successor is duly elected and qualified. Mr. Chakraborty and Ms. Yarkoni were each recommended to the Board by a third-party search firm.

(4) Ravi Kumar Singisetti is also referred to herein as “Ravi Kumar” or “Mr. Kumar.”

Key:

A – Audit Committee

C – Compensation Committee

N – Nominating and Corporate

Governance Committee

M – Mergers, Acquisitions and

Integration Committee

R – Risk and Compliance

Committee

T – Technology Committee

E – Executive Committee

C – Committee Chairperson

● – Committee Member

Executive Compensation Highlights

Executive Compensation Philosophy

Our executive compensation program is based on a philosophy that aligns the interests of our executives and stockholders. The following are key objectives of our compensation philosophy:

•

Attract, motivate and retain highly experienced executives who are vital to our short- and long-term success, profitability and growth;

•

Align the focus of our executives with the interests of our stockholders by rewarding executives for the achievement of strategic goals that successfully drive our strategy, operations and business performance and, thereby enhance stockholder value;

•

Differentiate pay and rewards based on criticality of role and actual individual and company financial performance while remaining fair and equitable; and

•

Promote thoughtful decision-making while discouraging unnecessary and excessive risk-taking.

Strong Stockholder Support

Our most recent Say-on-Pay vote was held at our 2025 Annual Meeting of Stockholders and received 95.14% stockholder support. We believe this strong Say-on-Pay vote outcome demonstrates stockholder support for our executive compensation program.

Executive Compensation Payouts are Aligned with our Named Executive Officers’ (“NEOs”) and the Company’s Performance During 2025

•

Our NEOs’ 2025 annual incentive payouts were 154% of target resulting from above target performance achievement on all three performance measures: Defined Consolidated Adjusted EBITDA, Defined Consolidated Revenue and Defined Adjusted Diluted Earnings per Share.

•

Our 2023 PSU (as defined on page 44) performance total weighted payout was 142% of target resulting from above target performance achievement on Cumulative Adjusted EBITDA (30% weighting), Cumulative Revenue (20% weighting), and Relative TSR (as defined on page 44) (50% weighting).

Target Compensation Mix is Linked to Company Performance and Aligned with Stockholders’ Interests

•

93% of our CEO’s 2025 target compensation and 83% of our other NEOs’ 2025 target compensation is “at-risk” based on Company and share price performance.

•

80% of our CEO’s 2025 target compensation and 65% of our other NEOs’ 2025 target compensation is based on long-term incentives aligned with stockholders’ interests.


CEO TARGET PAY MIX⁽¹⁾		ALL OTHER NEOS’ TARGET PAY MIX⁽¹⁾

(1)	Amounts shown have been rounded to the nearest whole percentage.

See “Compensation Discussion and Analysis” on page 43 and “Executive Compensation” on page 63 for additional details on our executive compensation programs.

QUESTIONS AND ANSWERS ABOUT THE ANNUAL MEETING

Q:	Where and when is the Annual Meeting?

The Annual Meeting will be held on Tuesday, May 12, 2026 at 12:00 p.m. Central Daylight Time virtually, via live audio webcast. You may access the virtual meeting at the following link: www.virtualshareholdermeeting.com/TRU2026. There will be no physical meeting location. The meeting will only be conducted via an audio webcast.

Q:	Why are we holding a virtual Annual Meeting?

We will continue using the latest technology to provide expanded access, improved communication and cost savings for our stockholders and the Company while providing stockholders the same rights and opportunities to participate as they would have at an in-person meeting. Furthermore, we believe that hosting a virtual meeting is in the best interest of the Company and its stockholders and enables increased stockholder attendance and participation because stockholders can participate from any location around the world.

Q:	Who is entitled to vote at the Annual Meeting?

Only stockholders of record at the close of business on March 16, 2026, the record date for the Annual Meeting, are entitled to receive notice of, and to vote at, the Annual Meeting or any adjournments or postponements thereof. The record date is established by our Board. Stockholders are entitled to one vote for each share of our common stock that they owned as of the record date. On the record date, we had 192,940,493 shares of our common stock outstanding and entitled to vote at the Annual Meeting.

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.

Our stock trades on the New York Stock Exchange (“NYSE”) under the ticker “TRU.”

Q:	What do I need to do to attend and participate in the Annual Meeting virtually?

Both stockholders of record and stockholders whose shares are held in street name (defined below) will be able to attend the Annual Meeting via live audio webcast, submit their questions during the meeting and vote their shares electronically at the Annual Meeting by visiting www.virtualshareholdermeeting.com/TRU2026. To participate in the Annual Meeting, you will need the control number included on your Notice or proxy card. If you do not have a control number, please contact your broker, banker or other nominee as soon as possible so that you can be provided with one.

We have designed our virtual format to enhance your access, participation and communication and we are committed to ensuring, to the extent possible, that stockholders will be afforded the ability to participate at the virtual meeting similarly to how they would participate at an in-person meeting. As part of the Annual Meeting, we will answer questions following the presentation of each proposal to be voted on at the Annual Meeting, and will hold a live online Q&A session, during which we intend to answer questions submitted before or during the Annual Meeting, as time permits. Questions must be confined to matters properly brought before the Annual Meeting and/or of general Company concern. We reserve the right to edit profanity or other inappropriate language, or to exclude questions that are not pertinent to meeting matters or that are otherwise inappropriate. If we receive substantially similar questions, we will group such questions together and provide a single response to avoid repetition. We kindly ask stockholders not to ask more than two

questions in order to allow us to answer questions from as many stockholders as possible. Questions may be submitted during the Annual Meeting through www.virtualshareholdermeeting.com/TRU2026.

The Annual Meeting live audio webcast will begin promptly at 12:00 p.m. Central Daylight Time on Tuesday, May 12, 2026. We encourage you to access the meeting prior to the start time. Online check-in will begin at 11:45 a.m. Central Daylight Time, and you should allow ample time for the check-in procedures.

Q:	What is the difference between holding shares as a registered stockholder and as a beneficial owner or in street name?

If your shares were registered directly in your name as of the record date with our transfer agent, Equiniti Trust Company, LLC, you are considered the “registered stockholder” of those shares. As a stockholder of record, we will mail the Notice, or if requested, copies of the proxy materials directly to you.

If your shares are held in a stock brokerage account or by a bank or other nominee (“street name”), you are considered the “beneficial owner” of the shares that are registered in street name. In this case, the Notice or, if requested, printed proxy materials and our 2025 Annual Report were forwarded to you by your broker, bank or other nominee. As the beneficial owner, you have the right to direct your broker, bank or other nominee how to vote your shares by following the voting instructions included in the materials, and your broker is not allowed to vote your shares without instruction except for certain matters. However, because a beneficial owner whose shares are held in street name is not the stockholder of record, you may not vote your shares of our common stock virtually at the Annual Meeting unless you follow your broker, bank or other nominee’s procedures for obtaining a legal proxy.

Q:	What is a proxy?

A:	A proxy is your legal designation of another person, called a proxy holder, to vote the shares

that you own. If you designate someone as your proxy holder in a written document, that document is called a proxy. We have designated Heather J. Russell, Executive Vice President, Chief Legal Officer, and Rachel W. Mantz, Senior Vice President, Deputy General Counsel and Corporate Secretary, to act as proxy holders at the virtual Annual Meeting as to all shares for which proxies are returned or voting instructions are provided by internet or telephonic voting.

Q:	What routine matters will be voted on at the Annual Meeting?

The ratification of the appointment of our independent registered public accounting firm is a routine matter on which brokers may vote in their discretion on behalf of customers who have not provided voting instructions; however, certain brokers will not vote on such matters unless they have received voting instructions from their customers.

Q:	What non-routine matters will be voted on at the Annual Meeting?

The election of our directors, the non-binding advisory vote on our NEOs’ compensation and the advisory vote on a stockholder proposal requesting a stockholder right to call a special meeting are each non-routine matters on which brokers are not allowed to vote unless they have received voting instructions from their customers. Brokers who do not receive voting instructions will only be allowed to vote on the ratification of the appointment of PricewaterhouseCoopers LLP as our independent registered public accounting firm for fiscal year 2026, provided such brokers provide discretionary voting.

Q:	Could other matters be decided at the Annual Meeting?

A:	We are not aware of any matters that will be considered at the Annual Meeting other than those described in this proxy statement. However, if any other matters properly arise at the Annual Meeting, the persons named in your proxy will vote in accordance with their best judgment.

Q:	How does the Board recommend that I vote?

A:	The Board recommends that you vote:

•

“FOR” the election of each of the 12 director nominees named in this proxy statement as a director for a one-year term.

•

“FOR” the ratification of the appointment of PricewaterhouseCoopers LLP as our independent registered public accounting firm for fiscal year 2026.

•

“FOR” the approval, on a non-binding advisory basis, of our NEO compensation.

•

“AGAINST” the stockholder proposal requesting a stockholder right to call a special meeting.

Q:	What is the vote required for each proposal?

For Proposal 1, Election of Directors, to be elected, each director nominee must receive a majority of the votes cast (the number of shares voted “FOR” a director nominee must exceed the number of votes cast “AGAINST” that nominee). Any incumbent director who fails to receive the required number of votes for re-election is required to promptly tender his or her resignation, and the NCG Committee will make a recommendation to the Board on whether to accept or reject the resignation, or whether other action should be taken. Taking into account the recommendation of the NCG Committee, the Board will determine whether to accept or reject any such resignation, or what other action should be taken, within 90 days from the date of the certification of election results. We will publicly disclose any such decision by the Board with regard to any director’s resignation. If you hold your shares in street name and do not give your broker specific voting instructions, your shares will not be voted and will not be counted in the election of the director nominees. Abstentions and broker non-votes will have no effect on the outcome of Proposal 1.

For Proposal 2, Ratification of Appointment of Independent Registered Public Accounting Firm, the proposal will be approved if a majority of the shares present or represented at

the Annual Meeting and entitled to vote on the proposal are cast “FOR” the proposal. As Proposal 2 is advisory and non-binding, the Board will review the voting results on this proposal and take the results into account when making future decisions regarding this matter. Broker non-votes (described below) may be voted at the discretion of the broker or other nominee with respect to Proposal 2. Abstentions will have the effect of a vote against Proposal 2.

For Proposal 3, Non-Binding Advisory Vote to Approve Named Executive Officer Compensation, the proposal will be approved if a majority of the shares present or represented at the Annual Meeting and entitled to vote on the proposal are cast “FOR” the proposal. As Proposal 3 is advisory and non-binding, the Board will review the voting results on this proposal and take the results into account when making future decisions regarding this matter. Broker non-votes will have no effect on the outcome of Proposal 3. Abstentions will have the effect of a vote against Proposal 3.

For Proposal 4, Advisory Vote on a Stockholder Proposal Requesting a Stockholder Right to Call a Special Meeting, the proposal will be approved if a majority of the shares present or represented at the Annual Meeting and entitled to vote on the proposal are cast “FOR” the proposal. As Proposal 4 is advisory and non-binding, the Board will review the voting results on this proposal and take the results into account when making future decisions regarding this matter. Broker non-votes will have no effect on the outcome of Proposal 4. Abstentions will have the effect of a vote against Proposal 4.

Q:	What is a broker non-vote?

NYSE permits brokers to vote their customers’ stock held in street name on routine matters when the brokers have not received voting instructions from their customers. NYSE does not, however, allow brokers to vote their customers’ stock held in street name on non-routine matters unless they have received voting instructions from their customers. In such cases, the uninstructed shares for which the broker is unable to vote are called “broker non-votes.” For purposes of determining

the outcome of any proposal as to which the broker has physically indicated on the proxy that it does not have, or chooses not to exercise, discretionary authority to vote, if allowed, these shares will be treated as not present and not entitled to vote with respect to that proposal, even though those shares are considered entitled to vote for quorum purposes.

Q:	What is the effect of an abstention?

A:	A stockholder who abstains on some or all matters is considered present for purposes of determining if a quorum is present at the Annual Meeting. Abstentions will have no effect on the outcome of Proposal 1 and will have the effect of a vote against Proposals 2 through 4.

Q:	What constitutes a quorum?

A majority of the aggregate voting power of the common stock entitled to be voted at the Annual Meeting is a quorum, which is required for holding and transacting business at the Annual Meeting. The shares may be present virtually or represented by proxy at the Annual Meeting. Both abstentions and broker non-votes are counted as present for the purpose of determining the presence of a quorum.

Q:	Who is soliciting my vote?

A:	Our Board is soliciting your vote for the Annual Meeting.

Q:	How do I vote?

A:	If you are a registered stockholder:

LOGO Virtual Meeting. Stockholders of record may attend the virtual meeting by visiting www.virtualshareholdermeeting.com/TRU2026, where you may vote and submit questions during the Annual Meeting. Please have your Notice or proxy card in hand when you visit the website. For more information on how to attend and vote at the Annual Meeting, please see the section titled “Questions and Answers About the Annual Meeting” beginning on page 7. You may also vote by any of the following methods (please vote as soon as possible):

LOGO Internet. Vote at http://www.proxyvote.com, the website for internet voting. Follow the instructions on the Notice, or if you received a proxy card by mail, follow the instructions on the proxy card and you can confirm that your vote has been properly recorded. If you vote on the internet, you can request electronic delivery of future proxy materials. Internet voting for stockholders of record will be available 24 hours a day and will close at 11:59 p.m. Eastern Daylight Time on May 11, 2026.

LOGO Telephone. Vote by telephone by calling 1-800-690-6903. Follow the instructions on the Notice, or if you received a proxy card, by following the instructions on the proxy card. Easy-to-follow voice prompts allow you to vote your stock and confirm that your vote has been properly recorded. Telephone voting for stockholders of record will be available 24 hours a day and will close at 11:59 p.m. Eastern Daylight Time on May 11, 2026.

LOGO Mail. If you received a proxy card by mail, vote by mail by completing, signing, dating and returning your proxy card in the pre-addressed, postage-paid envelope provided. If you vote by mail and your proxy card is returned unsigned, then your vote cannot be counted. If you vote by mail and the returned proxy card is signed without indicating how you want to vote, then your proxy will be voted as recommended by the Board. If mailed, your completed and signed proxy card must be received by May 11, 2026.

Voting by internet, telephone or mail will not limit your right to vote virtually at the Annual Meeting if you later decide to change your vote while attending the virtual Annual Meeting. Even if you plan to attend the virtual Annual Meeting, the Board recommends that you submit a proxy in advance via the internet, by telephone or by mail.

If you are a beneficial owner:

Prior to the Annual Meeting. If you are the beneficial owner of your TransUnion shares, your ability to vote over the internet, by mail or by telephone depends on your broker’s voting process. Please carefully follow the directions

on your proxy card or the voter instruction card from your broker.

At the Virtual Meeting. Beneficial owners may attend the virtual meeting by visiting www.virtualshareholdermeeting.com/TRU2026. Beneficial owners are not stockholders of record and therefore you may not vote your shares at the meeting unless you obtain a “legal proxy” from your broker, nominee or trustee that holds your shares, giving you the right to vote the shares at the Annual Meeting.

Q:	Can I vote my stock by filling out and returning the Notice?

A:	No. The Notice will provide instructions on how to vote by internet, by telephone, by requesting and returning a paper proxy card via mail or by submitting a ballot electronically during the Annual Meeting.

Q:	If I vote by telephone or internet and received a proxy card in the mail, do I need to return my proxy card?

No.

Q:	Can I change my vote?

A:	Yes. You may revoke or change a proxy before the vote is taken at the Annual Meeting by:

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giving notice of the revocation in writing to our Corporate Secretary at 555 West Adams Street, Chicago, Illinois 60661;

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submitting another valid proxy by mail, telephone or over the internet that is later dated and:

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if mailed, is properly signed; or,

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if submitted by telephone or over the internet, is received by 11:59 p.m. Eastern Daylight Time on May 11, 2026; or

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if you have instructed your broker or other nominee to vote your shares, by following the directions received from your broker or nominee to change those instructions.

Q:	Who will tabulate and certify the vote?

A:	Broadridge Financial Solutions, Inc., an independent third party, will tabulate and certify the vote, and will have a representative to act as the independent inspector of elections for the Annual Meeting.

Q:	What if I have technical difficulties during the check-in time or during the Annual Meeting?

If you encounter any difficulties accessing the virtual meeting during the check-in or meeting time, please call the technical support number that will be posted on the login page at www.virtualshareholdermeeting.com/TRU2026. Please be sure to check in beginning at 11:45 a.m. Central Daylight Time on May 12, 2026, the day of the Annual Meeting, so we may address any technical difficulties before the Annual Meeting live audio webcast begins.

Q:	Where can I find the voting results of the Annual Meeting?

We will announce the preliminary voting results at the Annual Meeting and disclose the final voting results in a Current Report on Form 8-K filed with the SEC within four business days of the date of the Annual Meeting, unless only preliminary voting results are available at that time. If necessary, we will file an amended Current Report on Form 8-K to disclose the final voting results within four business days after the final voting results are known. You may access or obtain a copy of this report and other reports free of charge on our Investor Relations website, investors.transunion.com, on the “Financials” page. Also, the Form 8-K and other reports we file with the SEC are available to you on the internet at the SEC’s website at http://www.sec.gov.

Q:	Why did I receive a Notice of Internet Availability of Proxy Materials instead of printed proxy materials?

Most stockholders received a Notice instead of a full set of printed proxy materials. The Notice provides access to proxy materials in a fast and efficient manner via the internet. This reduces the amount of paper necessary to produce these materials, as well as the costs associated with mailing these materials to stockholders. On or around March 24, 2026, we will begin mailing the Notice to certain stockholders of record as of the close of business on March 16, 2026, and we will post our proxy materials on the website referenced in the Notice. As more fully described in the Notice, stockholders may choose to access our proxy materials on the website or may request to receive a printed set of our proxy materials. The Notice and website provide information regarding how you may request to receive proxy materials in printed form by mail or electronically by e-mail for the Annual Meeting and on an ongoing basis. Stockholders who previously requested printed proxy materials or electronic materials on an ongoing basis will receive those materials in the format requested.

Q:	How can I access the proxy materials over the internet?

The Notice, this proxy statement and our 2025 Annual Report are available at www.proxyvote.com prior to the day of the Annual Meeting or at www.virtualshareholdermeeting.com/TRU2026 on the day of and during the Annual Meeting. Your Notice or proxy card will contain instructions on how to view these materials. Our proxy materials are also available on our Investor Relations website, investors.transunion.com, on the “Financials” page.

Q:	What does it mean if I receive more than one proxy card or Notice?

A:	If you receive more than one proxy card or Notice, your shares may be registered in more than one name or in different accounts. Please follow the instructions on each proxy card and/or Notice to ensure that all of your shares are voted.

Q:	Who pays for the proxy solicitation related to the Annual Meeting?

We will bear the entire cost of this solicitation, including the preparation, assembly, printing, mailing of the Notice and any mailing of this proxy statement, the proxy card and any additional information furnished to stockholders. In addition to using the mail, proxies may be solicited by directors, executive officers and other employees of TransUnion, in person or by telephone. No additional compensation will be paid to our directors, executive officers or other employees for these services. We have retained Georgeson LLC to assist us with the solicitation of proxies for an estimated fee of $11,500 plus expenses. We also will reimburse banks, nominees, fiduciaries, brokers and other custodians for their costs of sending the proxy materials to the beneficial owners of our common stock.

Q:	Can I choose to receive proxy statements and annual reports on the internet instead of receiving them by mail?

Yes. If you are a registered stockholder or beneficial owner, you can elect to receive future annual reports and proxy statements on the internet only and not receive copies in the mail by following the instructions on your proxy card or voting instruction form. Your request for electronic transmission will remain in effect for all future annual reports and proxy statements, unless withdrawn.

CORPORATE GOVERNANCE AND RELATED MATTERS

General

TransUnion is a global information and insights company with approximately 13,800 associates operating in more than 30 countries. We make trust possible by ensuring each person is reliably represented in the marketplace. We do this with a Tru^™ picture of each person: an actionable view of consumers, stewarded with care. Through our acquisitions and technology investments we have developed innovative solutions that extend beyond our strong foundation in core credit into areas such as marketing, fraud, risk and advanced analytics. As a result, consumers and businesses can transact with confidence and achieve great things. We call this Information for Good^®.

Our Board directs the management of our business and affairs and also oversees our business on behalf of our stockholders. The Board and management recognize that the interests of TransUnion and our stockholders are advanced by responsibly addressing the concerns of multiple constituencies, including employees, consumers, customers and the communities in which we operate. Our Corporate Governance Guidelines support the Board in its oversight role and in fulfilling its obligation to stockholders.

Our Corporate Governance Guidelines address, among other things:

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the composition and responsibilities of the Board,

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director independence and qualification standards,

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Board meeting requirements,

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management succession planning,

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compensation of non-management directors, and

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communications with Board members.

The NCG Committee regularly reviews our Corporate Governance Guidelines and recommends modifications of these guidelines to the Board when appropriate, including when NYSE and SEC regulations require changes.

You can find our Corporate Governance Guidelines on our Investor Relations website, investors.transunion.com, on the “Corporate Governance—Governance Documents” page.

Board Leadership Structure and Role of Board in Risk Oversight

Board Leadership Structure

Our Board of Directors is currently led by Ms. Pamela Joseph, our Non-Executive Chairperson. Whenever the Chairperson of the Board is also the Chief Executive Officer (“CEO”) or is a director who does not otherwise qualify as an “independent director,” the independent directors will elect from among themselves a Lead Director of the Board. In such instance, following nomination by the NCG Committee, each independent director will be given the opportunity, by secret ballot, to vote in favor of a Lead Director nominee or to write in a candidate of his or her own. The Lead Director will be elected by a plurality and will serve until the Board meeting immediately following the next annual meeting of stockholders, unless otherwise determined by the Board. Since the CEO position is currently separate from our Chairperson position, we do not have a Lead Director at this time.

We believe that the separation of the Chairperson and the CEO roles is appropriate for us at this time. The Board believes that this leadership structure is appropriate because it strikes an effective balance between management and independent director participation in the Board process. The Non-Executive Chairperson role allows our President & CEO to focus on his management responsibilities in leading the business, setting our strategic direction and optimizing our performance and operations. At the same time, the Non-Executive Chairperson can focus on Board leadership, provide guidance to the CEO, and focus on corporate governance and our overall business strategy. The Board believes that the separation of functions between the CEO and the Non-Executive

Chairperson of the Board provides independent leadership of the Board in the exercise of its oversight responsibilities, increases the accountability of the CEO and creates transparency into the relationship among executive management, the Board and our stockholders.

Role of the Board in Risk Oversight

The Board of Directors has extensive involvement in the oversight of risk management related to TransUnion and our business, which is implemented through regular reporting to the Board by the Audit Committee and Risk and Compliance Committee.

The Audit Committee reviews our accounting, reporting and financial practices, including the quality and integrity of our financial statements and our financial reporting and disclosure practices, the soundness of our internal controls over financial reporting, and, together with the Risk and Compliance Committee, our compliance with applicable legal and regulatory requirements. The Audit Committee reviews and discusses with management, our independent auditor and the Risk and Compliance Committee, our guidelines and policies governing the process by which risk assessment and enterprise risk management are undertaken, including our major financial and other risk exposures, and the steps management has taken to monitor and mitigate the risk of such exposures. The Audit Committee also periodically reviews with management (including the Chief Legal Officer) and our independent auditor, any correspondence with, or other action by, regulators or governmental agencies, and any employee complaints, submissions or published reports that raise concerns regarding our financial statements, accounting or auditing matters, or compliance with law or our Code of Business Conduct.

The Risk and Compliance Committee oversees the Company’s risk management, as outlined in the Global Risk Taxonomy approved by our Enterprise Risk Management Committee (“ERMC”), a management-level committee chaired by our Chief Risk and Compliance Officer and consisting of our CEO, his direct reports and our Chief Information Security Officer. The Risk and Compliance Committee also oversees the assessment of the quality and effectiveness of our capabilities, policies and controls (including the methods of identifying, assessing, monitoring and mitigating such risks), and review of our enterprise risk management framework, enterprise risk appetite, compliance infrastructure and material risk exposures. The Risk and Compliance Committee periodically reviews and approves our Global Risk Appetite Statement, which summarizes our approach to taking, managing and responding to risks, and provides parameters to guide management on risk decisions. The ERMC sets our risk strategy within the boundaries of our Global Risk Appetite Statement and escalates certain issues to the Risk and Compliance Committee, or other relevant Board committees, as appropriate. The Risk and Compliance Committee also oversees the quality and effectiveness of our information security framework – including capabilities, policies and controls, and methods for identifying, assessing and mitigating information and cybersecurity risks – and assesses the effectiveness of our management of information security-related risks. The committee meets periodically with our Chief Legal Officer, Chief Risk and Compliance Officer, Chief Information Security Officer and other appropriate legal, risk or compliance staff to review any legal or regulatory matters that may have a material impact on our business or operating strategy.

As described above, through regular meetings with management, including the finance, legal, risk and compliance and internal audit functions, the Audit Committee and Risk and Compliance Committee review and discuss the significant areas of risk to our business and summarize for the Board areas of compliance risk and appropriate mitigating factors. In addition, our Board receives periodic operating performance reviews from management.

Executive Sessions of the Board

Our non-management directors regularly meet in executive sessions without management present. Ms. Joseph, our Board Chairperson, presides at such sessions.

Director Independence

Our Board has affirmatively determined that each of Mses. Clark, Joseph, Yarkoni and Zukauckas, Dr. Awad and Messrs. Chakraborty, Dia, Fradin, Gottdiener, Kumar and Monahan has no material relationship with the Company and qualifies as an independent director under the standards established by NYSE, as currently in effect.

In making that determination, the Board considered all relevant facts and circumstances, including the director’s commercial, industrial, banking, consulting, legal, accounting, charitable and familial relationships, and applied the following standards under NYSE rules, which provide that a director will not be considered independent if he or she:

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is currently an employee of the Company or has an immediate family member who is one of our executive officers;

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has been a Company employee within the past three years or has an immediate family member who has been an executive officer within the past three years;

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has, or has an immediate family member who has, received within the past three years more than $120,000 during any

Vote by internet at http://www.proxyvote.com

Vote by telephone at 1-800-690-6903

Vote by mail by completing and returning your proxy card or voter instruction card

Vote your shares during the Annual Meeting at www.virtualshareholdermeeting.com/TRU2026

SEC Form DEF 14A filed by TransUnion