UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

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FORM 8-K

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CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event Reported): September 14, 2026

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MercadoLibre, Inc.

(Exact name of Registrant as specified in Charter)

Commission file number 001-33647

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WTC Free Zone

Dr. Luis Bonavita 1294, Of. 1733, Tower II

Montevideo, Uruguay , 11300

(Address of registrant’s principal executive offices) (Zip Code)

(+598) 2-927-2770

(Registrant’s telephone number, including area code)

(Former name or former address, if changed since last report)

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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:

☐	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:

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.

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On September 14, 2026, MercadoLibre, Inc. (the “Company” or “we”) closed its underwritten public offering of $1,000,000,000 aggregate principal amount of 5.850% Notes due 2036 (the “Notes”) pursuant to the Company’s Registration Statement on Form S-3 (File No. 333-291604). The Notes were issued pursuant to an indenture (the “Indenture”), dated as of January 14, 2021, among the Company, the guarantors party thereto and The Bank of New York Mellon, as trustee (the “Trustee”), as supplemented by the fifth supplemental indenture (the “Fifth Supplemental Indenture”), dated as of September 14, 2026, among the Company and MercadoLibre S.R.L., Mercado Livre Brasil Ltda., DeRemate.com de México, S. de R.L. de C.V., MP Agregador, S. de R.L. de C.V., MercadoLibre Chile Ltda. and MercadoLibre Colombia Ltda., as guarantors and the Trustee.

The foregoing description of the Indenture and Fifth Supplemental Indenture is qualified in its entirety by the terms of such agreements, which are filed hereto as Exhibits 4.1 and 4.2, respectively, and incorporated herein by reference. The foregoing description of the Notes is qualified in its entirety by reference to the full text of the respective form of Notes filed hereto as Exhibit 4.3, incorporated herein by reference.

In connection with the offering, the legal opinions as to the validity of the Notes are attached hereto as Exhibits 5.1, 5.2, 5.3, 5.4, 5.5 and 5.6 and are incorporated herein by reference.

This report on Form 8-K shall be deemed to be incorporated by reference in the registration statement on Form S-3 (Registration Nos. 333-291604, 333-291604-01, 333-291604-03, 333-291604-04, 333-291604-05, 333-291604-07, 333-291604-08) of MercadoLibre, Inc., and to be part thereof from the date on which this report is furnished, to the extent not superseded by documents or reports subsequently filed or furnished.

(d) Exhibits

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.

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