MFS Amends 13G/A to Report 6.8% Stake in TransUnion (NYSE: TRU)

Rhea-AI Filing Summary

TransUnion is reported as having 13,146,925 shares beneficially owned by Massachusetts Financial Services Company (MFS) per an amended Schedule 13G/A. The filing states this equals 6.8% of common stock, with 12,873,778 shares as sole voting power. The amendment was signed on 05/14/2026.

Insights

Institutional Ownership Analyst

MFS reports a passive, significant stake in TransUnion at 6.8%.

The amended Schedule 13G/A lists 13,146,925 shares as beneficially owned, with 12,873,778 shares carrying sole voting power. The filing format and use of a 13G/A indicate a passive investor reporting under beneficial ownership rules.

Key dependencies are unchanged voting/control disclosures and any future amendments; subsequent filings would show increases, decreases, or a conversion to a Schedule 13D if activist intent arises.

Corporate Governance Specialist

Disclosure clarifies voting and dispositive authority for regulatory transparency.

The filing itemizes sole voting power (12,873,778) and sole dispositive power (13,146,925), aligning with typical Schedule 13G/A detail requirements. This establishes who can direct votes and dispositions tied to the reported stake.

Watch for further amendments that would change percent ownership or voting power; this filing itself is an ownership disclosure rather than a transaction announcement.

Key Figures

Beneficially owned: 13,146,925 shares Percent of class: 6.8% Sole voting power: 12,873,778 shares +3 more

6 metrics

Beneficially owned 13,146,925 shares reported on Schedule 13G/A

Percent of class 6.8% percent of TransUnion common stock

Sole voting power 12,873,778 shares sole power to vote or direct the vote

Sole dispositive power 13,146,925 shares sole power to dispose or direct disposition

CUSIP 89400J107 TransUnion Common Stock identifier

Amendment signature date 05/14/2026 date the amendment was signed

Key Terms

Schedule 13G/A, beneficially owned, sole dispositive power, sole voting power

4 terms

Schedule 13G/A regulatory

"amended Schedule 13G/A reporting beneficial ownership"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

beneficially owned financial

"Amount beneficially owned: 13,146,925 shares"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

sole dispositive power regulatory

"Sole power to dispose or to direct the disposition of: 13,146,925"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

sole voting power regulatory

"Sole power to vote or to direct the vote: 12,873,778"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 5)

TRANSUNION

(Name of Issuer)

Common Stock

(Title of Class of Securities)

89400J107

(CUSIP Number)

03/31/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 89400J107

1

Names of Reporting Persons

Massachusetts Financial Services Company

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 12,873,778.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 13,146,925.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

13,146,925.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.8 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: TRANSUNION
(b)	Address of issuer's principal executive offices: 555 West Adams, Chicago, IL 60661
Item 2.
(a)	Name of person filing: Massachusetts Financial Services Company
(b)	Address or principal business office or, if none, residence: 111 Huntington Avenue, Boston, MA 02199
(c)	Citizenship: Delaware
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 89400J107
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 13,146,925 shares of Common Stock consisting of shares beneficially owned by MFS and/or certain other non-reporting entities
(b)	Percent of class: 6.8 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 12,873,778
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 13,146,925
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Massachusetts Financial Services Company

Signature:	Deepu Pylee
Name/Title:	Compliance Director
Date:	05/14/2026

FAQ

What stake does MFS report in TransUnion (TRU)?

MFS reports beneficial ownership of 13,146,925 shares, equal to 6.8% of TransUnion common stock. The filing shows sole voting power of 12,873,778 shares and sole dispositive power over 13,146,925 shares as of the amendment signature.

What form was filed to report MFS's position in TRU?

The position is disclosed on an amended Schedule 13G/A, a passive-investor beneficial ownership filing. The amendment was signed on 05/14/2026 and references CUSIP 89400J107 for TransUnion common stock.

Does the filing indicate MFS controls TransUnion votes?

The filing shows MFS has sole voting power for 12,873,778 shares, which documents its voting authority for that portion. It does not, by itself, indicate control of the company beyond the disclosed voting stake.

Is this Schedule 13G/A evidence of activist intent by MFS?

No. A Schedule 13G/A is typically used by passive investors to report ownership. The filing format and language list beneficial ownership and powers without indicating activist intentions or plans to influence management.

Who signed the amended filing for MFS?

The amendment was signed by Deepu Pylee, listed as Compliance Director, with the signature date of 05/14/2026. The filer is Massachusetts Financial Services Company at 111 Huntington Avenue, Boston, MA.