UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16

UNDER the Securities Exchange Act of 1934

For the month of April 2026

Commission File Number: 001-41954

BBB Foods Inc.

(Exact name of registrant as specified in its charter)

N/A

(Translation of registrant’s name into English)

Av. Presidente Masaryk 8

Polanco V Sección, Miguel Hidalgo

Mexico City, Mexico 11560

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F ý Form 40-Fo

Summary of the Resolutions adopted at the Annual General Meeting

of the Shareholders of BBB Foods Inc. held on April 29, 2026

On April 29, 2026, BBB Foods Inc. (the "Company") held its annual general meeting of shareholders. All the resolutions included in the Notice of 2026 Annual Meeting of Shareholders dated April 8, 2026 were duly passed by the shareholders of the Company.

Shareholders accounting for 72.52% of the voting power entitled to vote at the meeting were present in person or by proxy, representing a quorum.

The resolutions approved at the annual general meeting of shareholders of the Company are summarized below.

1) Election of Class II Directors

K. Anthony Hatoum and Juan Pablo Cappello were re-elected as Class II directors of the Company. Halil Erdogmus was elected as a Class II director of the Company for the first time, in place of Alexis Meffre, who elected not to stand for re-election.

The Class II directors’ terms will last for three years and end no later than the annual general meeting to be held no later than April 2029.

2) Ratification of the Independent Registered Public Accounting Firm

PricewaterhouseCoopers, S.C. was ratified as our independent registered public accounting firm for 2025.

SIGNATURE

Pursuant to the requirements of the U.S. Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: April 29, 2026