[Form 4] TransUnion Insider Trading Activity

Rhea-AI Filing Summary

Christopher A. Cartwright, President and CEO of TransUnion (TRU) and a company director, reported a Section 16 transaction dated 08/28/2025. The filing shows 19,863 shares of TransUnion common stock were disposed at $88.67 per share. The filing explains these shares were withheld by the company to satisfy tax withholding obligations arising from the vesting of restricted stock units granted on 02/28/2023 and 02/28/2024. After the transaction, Mr. Cartwright beneficially owns 397,882 shares directly and 5,691 shares indirectly through a limited liability company. The Form 4 was signed by power of attorney on 08/29/2025.

Positive

• Timely disclosure of insider transaction via Form 4, filed and signed by power of attorney on 08/29/2025
• Clear explanation that shares were withheld for tax withholding related to RSU vesting (02/28/2023 and 02/28/2024), indicating administrative purpose

Negative

• None.

Insights

Securities Analyst

TL;DR Routine tax-withholding disposition of vested restricted stock units; no sign of voluntary market sale.

This Form 4 documents a common compliance activity where vested RSUs trigger tax withholding, and the company withholds shares rather than requiring a cash payment. The disposal of 19,863 shares at $88.67 appears tied solely to tax obligations from 2023 and 2024 grant vesting. The remaining direct and indirect holdings (397,882 and 5,691 shares) provide context on his ongoing economic stake in TRU. For investors, such filings are disclosure of insider holdings changes but not an indication of a deliberate liquidity event.

Corporate Governance Expert

TL;DR Administrative share withholding is standard and typically neutral for governance signals.

The explanation explicitly states shares were withheld to cover tax liabilities from RSU vesting, which is an administrative practice commonly used to satisfy tax-withholding requirements. The report was timely and executed via power of attorney, which is customary. There is no indication of additional derivative transactions, pledges, or transfers that would raise governance or control concerns.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Cartwright Christopher A

(Last) (First) (Middle)

C/O TRANSUNION

555 WEST ADAMS STREET

(Street)

CHICAGO IL 60661

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
TransUnion [ TRU ]

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

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and CEO

3. Date of Earliest Transaction (Month/Day/Year)
08/28/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/28/2025		F(1)		19,863	D	$88.67	397,882	D
Common Stock								5,691	I	By limited liability company

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Reflects shares of Common Stock withheld by the Company in payment of tax liability incident to the vesting of restricted stock units granted on February 28, 2023 and February 28, 2024.

Remarks:

	/s/ Rachel Mantz, by power of attorney	08/29/2025
	** 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 4 (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 Number.

FAQ

What transaction did Christopher A. Cartwright report on Form 4 for TRU?

The report shows a disposition of 19,863 shares on 08/28/2025 at $88.67 per share, withheld to satisfy tax liabilities from vested RSUs.

How many TransUnion shares does the reporting person own after the transaction?

After the reported transaction, he beneficially owns 397,882 shares directly and 5,691 shares indirectly via a limited liability company.

Why were the 19,863 shares disposed of according to the Form 4?

The filing states the shares were withheld by the company to pay tax withholding obligations incident to RSUs granted on 02/28/2023 and 02/28/2024.

Was this Form 4 filed by the reporting person or by someone else?

The form was filed by one reporting person and the signature is by Rachel Mantz by power of attorney on 08/29/2025.

Does the filing indicate any derivative transactions or pledges by the reporting person?

No. Table II shows no derivative securities reported and there is no mention of pledges or similar arrangements in the filing.