Major holdings notice triggers UK RNS for Flutter (NYSE: FLUT)

Rhea-AI Filing Summary

Flutter Entertainment plc filed a current report describing a regulatory disclosure made in the United Kingdom. On August 21, 2025, the company released an announcement via the London Regulatory News Service about the submission to the company of a notification on Standard Form TR-1, which is the standard form for notification of major holdings under UK rules. The announcement, furnished as Exhibit 99.1, was made to comply with the UK Financial Conduct Authority’s Disclosure Guidance and Transparency Rules and is incorporated by reference into this report.

false 0001635327 0001635327 2025-08-21 2025-08-21

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 21, 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 21, 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 21, 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 21, 2025				By:		/s/ Fiona Gildea
				Name:		Fiona Gildea
				Title:		Deputy Company Secretary and
						Head of Governance

FAQ

What did Flutter Entertainment plc (FLUT) disclose in this 8-K filing?

Flutter Entertainment plc furnished an announcement made via the London Regulatory News Service regarding the submission to the company of a notification on Standard Form TR-1, the standard form for notification of major holdings under UK regulations.

Why did Flutter Entertainment plc issue an RNS announcement on August 21, 2025?

The company issued the RNS announcement to comply with the United Kingdom Financial Conduct Authority’s Disclosure Guidance and Transparency Rules related to notifications of major holdings.

What is included as Exhibit 99.1 in Flutter Entertainment plc’s 8-K?

Exhibit 99.1 contains the RNS Announcement dated August 21, 2025, which sets out details of the notification on Standard Form TR-1 received by the company.

Does this 8-K filing from Flutter Entertainment plc describe any financial results or major transactions?

The filing focuses on a regulatory disclosure of a major holdings notification via the RNS system and does not describe financial results or major business transactions.

Which securities of Flutter Entertainment plc are listed in this filing?

The filing lists Flutter Entertainment plc’s ordinary shares, with a nominal value of €0.09 per share, which trade under the symbol FLUT on the New York Stock Exchange.

Who signed the 8-K filing on behalf of Flutter Entertainment plc?

The filing was signed on behalf of Flutter Entertainment plc by Fiona Gildea, who is identified as Deputy Company Secretary and Head of Governance.