Sec Form 4 Filing - Taylor Daniel Mark @ Flutter Entertainment plc - 2026-02-26

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Taylor Daniel Mark 2. Issuer Name and Ticker or Trading Symbol Flutter Entertainment plc [ FLUT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) CEO - Flutter International (Last) (First) (Middle) C/O FLUTTER ENTERTAINMENT PLC, ONE MADISON AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 02/26/2026 (Street) NEW YORK, NY10010 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Ordinary Shares 03/11/2026 A 15,371 ( 1 ) A $ 0 31,960 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Nil Cost Options (Right to Buy) $ 0 02/26/2026 A 1,107 ( 2 ) ( 3 ) 03/07/2033 Ordinary Shares 1,107 $ 0 7,902 D Nil Cost Options (Right to Buy) $ 0 02/26/2026 A 34,878 ( 4 ) ( 5 ) 12/30/2032 Ordinary Shares 34,878 $ 0 34,878 D Nil Cost Options (Right to Buy) $ 0 02/26/2026 A 11,333 ( 4 ) ( 5 ) 12/30/2032 Ordinary Shares 11,333 $ 0 11,333 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Taylor Daniel Mark C/O FLUTTER ENTERTAINMENT PLC ONE MADISON AVENUE NEW YORK, NY10010 CEO - Flutter International Signatures /s/ Rebecca Sweeney, Attorney-in-Fact 03/13/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Reflects a grant of restricted stock units that vest in three substantially equal instalments beginning on September 1, 2027. ( 2 )The Reporting Person previously reported this award, which contained certain performance-based criteria. Following certification of the applicable performance criteria, an additional portion of the award became earned and is reported herein. This reflects the earned amount only and does not represent a new grant. ( 3 )These options vest on October 1, 2026. ( 4 )Reflects nil cost options acquired upon settlement of a performance-based restricted stock unit award previously granted to the Reporting Person. ( 5 )These options are fully vested.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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