SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer
Pursuant to Rule 13a-16 or 15d-16 of the

Securities Exchange Act of 1934

For the month of March, 2026

Commission File Number 1565025

AMBEV S.A.

(Exact name of registrant as specified in its charter)

AMBEV S.A.

(Translation of Registrant's name into English)

Rua Dr. Renato Paes de Barros, 1017 - 3rd Floor
04530-000 São Paulo, SP
Federative Republic of Brazil

(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 ___X___ Form 40-F _______

 Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.  

Yes _______ No ___X____

AMBEV S.A.

CNPJ [National Register of Legal Entities] No. 07.526.557/0001-00

NIRE [Corporate Registration Identification Number] 35.300.368.941

(“Company”)

Extract of the Minutes of the Meeting of the Board of Directors of Ambev S.A.

held on March 30, 2026, drawn up in summary form

4.1.        Proposal for the Allocation of Net Income for Fiscal Year 2025 and Re-ratification of the Amount of Net Income Related to Fiscal Year 2024. To approve the submission to the Company’s shareholders at the next Ordinary Shareholders’ Meeting of the Company (“AGO”), the following proposal on the net profit allocation for the fiscal year ended on December 31, 2025:

As well as the re-ratification of the amounts allocated to the Investment Reserve and the Tax Incentive Reserve at the Ordinary and General Meeting held on April 29, 2025 (“2025 AGO”), related to the fiscal year ended in 2024, so that the amount of R$10,339,054,767.31 allocated to the Investment Reserve at the 2025 AGO shall be re-ratified to R$10,194,417,186.13, and the amount of R$108,125,431.35 allocated to the Tax Incentive Reserve at the 2025 AGM shall be re-ratified to R$ 252,763,012.53.

4.2.        Compensation of Management and Members of the Fiscal Council - 2026. To approve the submission to the Company’s shareholders in the next Ordinary Shareholders’ Meeting the following proposal on maximum limit for the overall compensation of the Company’s management and members of the Fiscal Council for the fiscal year of 2026 (i.e., between January 1, 2026 and December 31, 2026):

- Overall compensation of the managers in the total amount of up to R$ 162,176,731.00; and

- Overall compensation of the Fiscal Council in the annual amount of up to R$ 2,471,314.00, being the compensation due to the alternates equivalent to half of the amount received by the effective members, in accordance with Law No. 6,404/76.

4.3.               Amendment and Consolidation to the Bylaws. To approve the submission to the Company’s shareholders, for resolution at an Extraordinary Shareholders’ Meeting, of the proposed amendment to the Company’s Bylaws in order to:
(i) amend (a) the heading of article 5^th, so to reflect the capital increases approved by the Board of Directors, within the limits of the authorized capital, up to the present date, including the increase approved under item 4.5 below;
(b) the heading of article 22 and articles 25 and 31, include the new article 30, and exclude articles 26, 27, 29, 33 and 34, in order to amend framework of executive officers of the Company; and

(c) paragraph 3 of article 40, to clarify that interim dividends and interest on capital will only be considered as an advance payment of the mandatory minimum dividend if there is no resolution of the Board of Directors to the contrary; and
(ii) renumber the articles and consolidate the Company’s Bylaws.

¹ The number takes into account the composition of the executive officers to be submitted for consideration at the Annual Ordinary and Extraordinary Shareholders’ Meeting to be held on April 30, 2026.

4.4.               Call Notice of the Ordinary and Extraordinary Shareholders’ Meetings of the Company. To approve the call notice of the Company’s Ordinary and Extraordinary Shareholders’ Meetings to be held on April 30, 2026, in order to submit to the Company’s shareholders the agenda provided on the Call Notice, attached hereto as Exhibit I.

4.5.        Option Plan and Capital Increase. In accordance with the procedure approved by the Board of Directors at a meeting held on March 25, 2019, regarding the issuance of new shares to be delivered to the beneficiaries of the programs under the Company's Stock Option Plan that exercise their respective options, to verify the capital increase detailed in Exhibit II within the authorized capital limit as provided for in article 6 of the Company's bylaws and pursuant to article 166, item III, of Law 6,404/76, and to determine the Company's Board of Executive Officers to promote the registration of the capital increase with the competent Board of Trade, in compliance with the provisions of article 166, paragraph 1, of Law 6,404/76.

In view of the exercise of options on the date hereof as detailed in Exhibit II, 2,026,133 new common shares were issued for the total issuance price of R$ 33,127,274.55, with the capital stock increasing from R$ 5,275,086,270.41 to R$ 58,308,213,544.96. The capital stock is now divided into 15,763,664,889 registered common shares, with no par value.

The new issued shares shall participate under equal conditions with the other shares in all the benefits and advantages that may be declared as of the date hereof.

São Paulo, March 30, 2026.

² Stock Option Plan of the Company approved in the Extraordinary General Meeting of July 30, 2013

EXHIBIT I

AMBEV S.A.

CNPJ [National Corporate Taxpayers Register] No. 07.526.557/0001-00

NIRE [Corporate Registration Identification Number] 35.300.368.941

Call Notice

The shareholders of Ambev S.A. (“Company”) are invited to attend the Annual Ordinary and Extraordinary Meetings (“AGOE” or “Shareholders’ Meetings”) to be held, cumulatively, on April 30, 2026, at 2:00 p.m., in an exclusively digital form through Ten Meetings digital platform (“Digital Platform”), to be considered held, for the purposes of article 5, § 2, item I, § 3, and article 28, §§ 2 and 3, of Brazilian Securities Commission (“CVM”) Resolution No. 81, of March 29, 2022, as amended (“CVM Resolution 81/22”), at its headquarters, to resolve on the following agenda:

General Information:

After receiving the documents through the Digital Platform and confirming their validity and completeness of the Registration, the Company will accredit the shareholder (or their representatives, as the case may be) to participate in the AGOE via Digital Platform. Only duly accredited shareholders may participate in the AGOE, in accordance with the term and procedures indicated above.

Shareholders who choose to vote by means of a bulletin for distance vote, shall send it, under the terms of CVM Resolution 81/22: 1) Banco Bradesco S.A., as the bookkeeper of the shares issued by the Company; 2) to their custody agents who provide this service, in the case of shareholders holding shares deposited in a central depository; 3) to the central depositary in which the shares are deposited, directly through the electronic system made available by B3, in the “Investor Area” (”Área do Investidor”) (available at https://investidor.b3.com.br), under the “Services” (“Serviços”) section, by clicking on “Open Meetings” (“Assembleia em Aberto”); or 4) directly to the Company. For additional information, the shareholder shall observe the rules set forth in article 27 of CVM Resolution 81/22 and the procedures described in the Manual.

Participation at the AGOE will be restricted to the shareholders, their representatives or attorneys-in-fact, as the case may be, who are accredited under the terms described in item 4 of this Notice and according to the instructions contained in the Manual, and who join the Shareholders’ Meetings, through the Digital Platform, until 1:59 p.m. on April 30, 2026.

All the timings provided herein shall be read as Brasilia time.

São Paulo, March 30, 2026.

Michel Dimitrios Doukeris

Chairman of the Board of Directors

EXHIBIT II

SIGNATURE

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, thereunto duly authorized.

Date: March 30, 2026