Sec Form 3 Filing - Gonzalez Avila Carlos Eduardo @ Arcos Dorados Holdings Inc. - 2026-03-18

FORM 3 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 Gonzalez Avila Carlos Eduardo 2. Issuer Name and Ticker or Trading Symbol Arcos Dorados Holdings Inc. [ ARCO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Operating Officer (Last) (First) (Middle) RIO NEGRO 1338, FIRST FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 03/18/2026 (Street) MONTEVIDEO11100 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

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 Phantom Restricted Stock Unit ( 1 ) 05/10/2026( 1 ) 05/10/2026( 1 ) Class A common share 7,522 D Phantom Restricted Stock Unit ( 1 ) 05/10/2027( 1 ) 05/10/2027( 1 ) Class A common share 5,735 D Phantom Restricted Stock Unit ( 1 ) 05/10/2028( 1 ) 05/10/2028( 1 ) Class A common share 14,970 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Gonzalez Avila Carlos Eduardo RIO NEGRO 1338, FIRST FLOOR MONTEVIDEO11100 Chief Operating Officer Signatures /s/ Roman Ajzen, attorney-in-fact on behalf of Carlos Gonzalez Avila 03/18/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each Phantom Restricted Stock Unit ("Phantom RSU") represents the cash equivalent of the closing price of one Class A common share on the vesting date, plus any dividends paid on the Class A common share, if any, since the grant date. The date exercisable and expiration date represent the vesting date for this Phantom RSU. Each Phantom RSU will be settled in cash promptly following the vesting date.

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).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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