[Form 4] TransUnion Insider Trading Activity

Rhea-AI Filing Summary

TransUnion insider sale by EVP and Chief Legal Officer. Heather J. Russell reported a sale of 5,337 shares of TransUnion common stock on 09/05/2025 at a reported price of $90.01 per share under a Rule 10b5-1 trading plan. After the transaction she beneficially owned 23,011 shares. The Form 4 was filed as a single-person report and signed by counsel by power of attorney on 09/08/2025. The filing notes the sale was executed pursuant to an established written plan; no options, derivatives, or other transactions are disclosed.

Positive

• Transaction executed under a Rule 10b5-1 trading plan, indicating pre-arranged, compliant sale procedures
• Form 4 discloses post-transaction beneficial ownership (23,011 shares), providing transparency

Negative

• Insider sold shares (5,337 shares), representing a reduction in the officer's stake

Insights

Securities Analyst

TL;DR: Insider sale executed under a pre-arranged 10b5-1 plan; transaction reduces holdings but is routine.

The filing documents a routine, pre-planned disposition of 5,337 shares at $90.01 each, leaving the reporting officer with 23,011 shares. Because the sale is disclosed as pursuant to a Rule 10b5-1 plan, the transaction is consistent with a pre-established schedule rather than an ad hoc sale. For investors this is a disclosure of insider liquidity but not, by itself, evidence of a change in company outlook. No derivatives or other compensatory transactions are reported.

Corporate Governance Expert

TL;DR: Governance process followed; sale executed via 10b5-1 and properly reported on Form 4.

The Form 4 identifies the reporting person as an officer (EVP, Chief Legal Officer), lists the date of transaction and the post-transaction beneficial ownership, and includes a remark that the trades were effected under a 10b5-1 plan. The form was signed by an authorized attorney by power of attorney. From a compliance perspective, required disclosures appear present and complete in the filing text provided; no amendments or additional arrangements are disclosed.

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).

X

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^*

RUSSELL HEATHER J

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Chief Legal Officer

3. Date of Earliest Transaction (Month/Day/Year)
09/05/2025

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	09/05/2025		S(1)		5,337	D	$90.01	23,011	D

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. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

Remarks:

	/s/ Rachel Mantz, by power of attorney	09/08/2025
	** 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 did TransUnion insider Heather J. Russell report on Form 4 (TRU)?

She reported a sale of 5,337 shares of TransUnion common stock on 09/05/2025 at a reported price of $90.01 per share.

Was the sale by the TransUnion insider part of a 10b5-1 plan?

Yes. The Form 4 states the sales were effected pursuant to a Rule 10b5-1 trading plan.

How many TransUnion shares does the reporting officer beneficially own after the transaction?

The filing reports 23,011 shares beneficially owned following the reported transaction.

What is the reporting officer's role at TransUnion in this Form 4?

The reporting person is an Officer, listed as EVP, Chief Legal Officer.

When was the Form 4 signed and filed?

The signature block shows the form was signed by power of attorney on 09/08/2025.