Flutter Entertainment details major holdings notification update

Flutter Entertainment plc reported that it received a notification on Standard Form TR-1, which is used to disclose major holdings in a company.

Rhea-AI Filing Summary

Flutter Entertainment plc reported that it received a notification on Standard Form TR-1, which is used to disclose major holdings in a company. Flutter released a related announcement through the Regulatory News Service in London and furnished that announcement as an exhibit. This disclosure is intended to comply with the United Kingdom Financial Conduct Authority’s Disclosure Guidance and Transparency Rules on transparency of significant shareholdings.

8-K Event Classification

2 items: 7.01, 9.01

2 items

Item 7.01 Regulation FD Disclosure Disclosure

Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Flutter Entertainment plc (FLUT) disclose in this report?

Flutter Entertainment plc disclosed that it received a notification on Standard Form TR-1 about major holdings in the company and released a related RNS announcement in London.

What is the significance of the Standard Form TR-1 for Flutter Entertainment plc (FLUT)?

Standard Form TR-1 is a Standard Form for Notification of Major Holdings, indicating that a major shareholding position in Flutter Entertainment plc has been formally notified to the company.

Why did Flutter Entertainment plc issue an RNS announcement on December 17, 2025?

Flutter Entertainment plc issued an RNS announcement on December 17, 2025 to communicate the receipt of a major holdings notification and to comply with UK FCA Disclosure Guidance and Transparency Rules.

How is Flutter Entertainment plc complying with UK Financial Conduct Authority rules?

Flutter Entertainment plc stated that the RNS announcement was made to comply with the United Kingdom Financial Conduct Authority’s Disclosure Guidance and Transparency Rules regarding major holdings.

Where can investors find the major holdings information for Flutter Entertainment plc (FLUT)?

The major holdings information is included in the RNS announcement that was released in London and furnished as an exhibit to the company’s current report.

On which exchange are Flutter Entertainment plc shares listed and under what symbol?

Flutter Entertainment plc’s ordinary shares, with a nominal value of €0.09 per share, are listed on the New York Stock Exchange under the trading symbol FLUT.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 12/17/2025 - 11:05 AM EST Learn about SEC filing dates

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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): December 17, 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 December 17, 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 December 17, 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: December 17, 2025				By:		/s/ Fiona Gildea
				Name:		Fiona Gildea
				Title:		Deputy Company Secretary and Head of Governance