[8-K] Flutter Entertainment plc Reports Material Event

Rhea-AI Filing Summary

Event: On August 6, 2025, Flutter Entertainment plc filed a Current Report on Form 8-K reporting the submission to the Company of a notification on Standard Form TR-1, furnished as Exhibit 99.1 and incorporated by reference.

Context & Exhibits: The RNS Announcement was made to comply with the UK Financial Conduct Authority's Disclosure Guidance and Transparency Rules. The filing lists Exhibit 99.1 (RNS Announcement dated August 6, 2025) and Exhibit 104 (cover page in Inline XBRL). The registrant is Flutter Entertainment plc (Ordinary Shares €0.09, trading symbol FLUT on the NYSE). The filing is signed by Fiona Gildea, Deputy Company Secretary and Head of Governance, dated August 6, 2025.

Insights

Financial Analyst

TL;DR: Routine disclosure of a TR-1 notification via RNS; no financial metrics disclosed in this 8-K.

The Form 8-K furnishes an RNS Announcement and a Standard Form TR-1 as Exhibit 99.1 to satisfy UK FCA Disclosure Guidance and Transparency Rules. The document itself contains no revenue, earnings, guidance, or balance-sheet information. Investors should consult Exhibit 99.1 to see the identity and size of the reported holding, as those details determine any valuation or governance impact.

Impact assessment: Not impactful pending details in Exhibit 99.1.

Corporate Governance Expert

TL;DR: Governance disclosure only; implications depend entirely on the TR-1 content in Exhibit 99.1.

The filing documents regulatory compliance via an RNS Announcement and submission of a TR-1 notification, consistent with UK transparency rules. As a governance matter, the materiality hinges on the TR-1 specifics (e.g., shareholder identity, stake size, any change of control signals), which are not reproduced in the 8-K text. The signature by the Deputy Company Secretary confirms formalizing and publicizing the notice.

Impact assessment: Not impactful until Exhibit 99.1 is reviewed.

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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): August 6, 2025

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

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 August 6, 2025, 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 August 6, 2025
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: August 6, 2025				By:		/s/ Fiona Gildea
				Name:		Fiona Gildea
				Title:		Deputy Company Secretary and Head of Governance

FAQ

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

The company reported the submission to the registrant of a Standard Form TR-1 notification and furnished an RNS Announcement as Exhibit 99.1 dated August 6, 2025.

Why was the RNS Announcement made?

The RNS Announcement was made to comply with the UK Financial Conduct Authority's Disclosure Guidance and Transparency Rules.

Which exhibits are included with the filing?

Exhibit 99.1 is the RNS Announcement dated August 6, 2025, and Exhibit 104 is the cover page of the Current Report formatted in Inline XBRL.

Who signed the 8-K and when?

The Form 8-K was signed by Fiona Gildea, Deputy Company Secretary and Head of Governance, on August 6, 2025.

What class of securities and ticker are listed in the filing?

The filing lists Ordinary Shares (nominal value €0.09 per share), trading under the symbol FLUT on the New York Stock Exchange.