[8-K] Flutter Entertainment plc Reports Material Event

Rhea-AI Filing Summary

Flutter Entertainment plc filed a report describing that it has released an announcement through the Regulatory News Service in London. The announcement relates to the submission to the company of a notification on Standard Form TR-1, which is the standard form for reporting major holdings in the company’s shares.

The RNS announcement, dated January 15, 2026, is included as Exhibit 99.1 and is incorporated by reference. Flutter states that this disclosure was made to comply with the United Kingdom Financial Conduct Authority’s Disclosure Guidance and Transparency Rules, so it is primarily a regulatory transparency update rather than a change to its operations or financial results.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of Earliest Event Reported): January 15, 2026

Flutter Entertainment plc

(Exact Name of Registrant as Specified in its Charter)

Ireland		001-37403		98-1782229
(State or Other Jurisdiction of Incorporation)		(Commission File Number)		(IRS Employer Identification Number)

One Madison Avenue				10010
New York, New York				(Zip Code)
(Address of Principal Executive Offices)

Registrant’s Telephone Number, Including Area Code: (646) 930-0950

Not Applicable

(Former Name or Former Address, if Changed Since Last Report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2.):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Ordinary Shares, nominal value of €0.09 per share		FLUT		New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 7.01 Regulation FD Disclosure.

On January 15, 2026, Flutter Entertainment plc (the “Company”) released, via the Regulatory News Service in London, an announcement (the “RNS Announcement”) regarding the submission to the Company of a notification on Standard Form TR-1 (Standard Form for Notification of Major Holdings), which is furnished as Exhibit 99.1 to this Form 8-K and is incorporated herein by reference. The RNS Announcement was made in order to comply with disclosure requirements pursuant to the United Kingdom Financial Conduct Authority’s Disclosure Guidance and Transparency Rules.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.		Description
99.1		RNS Announcement dated January 15, 2026
104		The cover page of this Current Report on Form 8-K, formatted in Inline XBRL

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

						Flutter Entertainment plc
						(Registrant)
Date: January 15, 2026						By:		/s/ Fiona Gildea
						Name:		Fiona Gildea
						Title:		Deputy Company Secretary and Head of Governance

FAQ

What did Flutter Entertainment plc (FLUT) report in this Form 8-K?

Flutter Entertainment plc reported that it released a Regulatory News Service announcement in London about receiving a Standard Form TR-1 notification of major holdings in its shares. This announcement is furnished as Exhibit 99.1 and incorporated by reference.

What is the RNS Announcement mentioned by Flutter Entertainment (FLUT)?

The RNS Announcement is a disclosure made via the Regulatory News Service in London on January 15, 2026. It relates to a Standard Form TR-1 notification of major holdings submitted to Flutter Entertainment plc and is provided in full as Exhibit 99.1.

What is Standard Form TR-1 in Flutter Entertainment's filing?

Standard Form TR-1 is described as the Standard Form for Notification of Major Holdings. In this context, it refers to a notification submitted to Flutter Entertainment plc regarding major holdings in the company’s ordinary shares.

Why did Flutter Entertainment plc make this major holdings disclosure?

The company states that the RNS Announcement was made in order to comply with disclosure requirements under the United Kingdom Financial Conduct Authority’s Disclosure Guidance and Transparency Rules, which govern how major shareholdings must be reported.

Where can investors find the full major holdings details for Flutter Entertainment (FLUT)?

The detailed information related to the major holdings notification is contained in the RNS Announcement furnished as Exhibit 99.1 to the report. The filing notes that this exhibit is incorporated by reference.

Does this Flutter Entertainment Form 8-K include financial results or transaction details?

No. The report focuses on the disclosure of a major holdings notification via an RNS Announcement to satisfy UK regulatory transparency requirements, and it does not present earnings data or describe major transactions.