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 June, 2026
Commission File Number 1-34129
AXIA Energia S.A.
(Exact name of registrant as specified in its
charter)
AXIA Energia S.A.
(Translation of Registrant's name into English)
Avenida Graça Aranha, 26
Centro, CEP 20030-900
Rio de Janeiro, RJ, 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____
AXIA
Energia S.A. 00.001.180/0001-26 Avenida Graça Aranha, 26 – Centro Rio de Janeiro │RJ – Brasil │20030-900
Conclusão da migração para o Novo Mercado Rio de Janeiro, 08 de junho de 2026, AXIA Energia S.A. (“Companhia”
ou “AXIA Energia”), informa que em continuidade ao fato relevante divulgado em 20 de maio, concluiu a migração
para o Novo Mercado, segmento que representa o mais elevado padrão de governança corporativa do mercado brasileiro. A migração
configura uma etapa relevante para a AXIA Energia, simplificando sua estrutura de capital, contribuindo para o aumento da liquidez de
suas ações e reforçando o comprometimento da Companhia com o aprimoramento de suas práticas de governança
corporativa. Eduardo Haiama Vice-Presidente Financeiro e de Relações com Investidores Completion of the Migration to the
Novo Mercado Rio de Janeiro, June 8, 2026, AXIA Energia S.A. (“Company” or “AXIA Energia”) informs that, following
up on the material fact disclosed on May 20, it has completed the migration to the Novo Mercado, the segment that represents the highest
standard of corporate governance in the Brazilian market. This migration marks an important milestone for AXIA Energia, simplifying its
capital structure, contributing to increased liquidity of its shares, and reinforcing the Company’s commitment to improving its
corporate governance practices. Eduardo Haiama Vice President of Finance and Investor Relations


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: June 8, 2026
| AXIA Energia S.A. |
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| By: |
/S/ Eduardo Haiama
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Eduardo Haiama
Vice-President of Finance and Investor Relations |
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FORWARD-LOOKING STATEMENTS
This document may contain estimates and projections that are not statements
of past events but reflect our management’s beliefs and expectations and may constitute forward-looking statements under Section
27A of the Securities Act of 1933, as amended, and Section 21E of the Securities and Exchange Act of 1934, as amended. The words “believes”,
“may”, “can”, “estimates”, “continues”, “anticipates”, “intends”,
“expects”, and similar expressions are intended to identify estimates that necessarily involve known and unknown risks and
uncertainties. Known risks and uncertainties include, but are not limited to: general economic, regulatory, political, and business conditions
in Brazil and abroad; fluctuations in interest rates, inflation, and the value of the Brazilian Real; changes in consumer electricity
usage patterns and volumes; competitive conditions; our level of indebtedness; the possibility of receiving payments related to our receivables;
changes in rainfall and water levels in reservoirs used to operate our hydroelectric plants; our financing and capital investment plans;
existing and future government regulations; and other risks described in our annual report and other documents filed with the CVM and
SEC. Estimates and projections refer only to the date they were expressed, and we do not assume any obligation to update any of these
estimates or projections due to new information or future events. Future results of the Company’s operations and initiatives may
differ from current expectations, and investors should not rely solely on the information contained herein. This material contains calculations
that may not reflect precise results due to rounding.