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 10, 2026 (September 9, 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:

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 9, 2026, MercadoLibre, Inc. (the “Company”) and its subsidiaries 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. entered into an underwriting agreement (the “Underwriting Agreement”) with BofA Securities, Inc., Citigroup Global Markets Inc., Goldman Sachs & Co. LLC, J.P. Morgan Securities LLC and Morgan Stanley & Co. LLC as representatives of the several underwriters listed in Schedule 1 thereto (the “Underwriters”), and the Underwriters have agreed to purchase from the Company $1,000 million aggregate principal amount of 5.850% Notes due 2036 (the “Notes”). The Company is offering and selling the Notes pursuant to the Company’s Registration Statement on Form S-3 (File No. 333-291604) (the “Registration Statement”), which Registration Statement relates in part to the offer and sale from time to time of an indeterminate amount of the Company’s debt securities.

The Underwriting Agreement contains customary representations, warranties and covenants and includes the terms and conditions for the sale of the Notes by the Company to the Underwriters, indemnification and contribution obligations and other terms and conditions customary in agreements of this type.

The foregoing description of certain terms of the Underwriting Agreement is not complete and is qualified in its entirety by the Underwriting Agreement, which is attached as Exhibit 1.1 to this Current Report on Form 8-K and incorporated herein by reference. Further information concerning the Notes and related matters is set forth in the Prospectus Supplement.

On September 9, 2026, the Company issued a press release announcing the pricing of the Notes in a public offering. The Notes are guaranteed by 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.

A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated into this Item 7.01 by reference. The information in this Item 7.01 of this Current Report on Form 8-K is furnished and shall not be treated as filed for purposes of the Securities Exchange Act of 1934, as amended.

(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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