Sec Form 4 Filing - Falconi Campos Vicente @ AXIA Energia S.A. - 2026-07-01

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Falconi Campos Vicente 2. Issuer Name and Ticker or Trading Symbol AXIA Energia S.A. [ AXIA3] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) AVENIDA GRACA ARANHA, NO. 26, CENTRO 3. Date of Earliest Transaction (MM/DD/YY) 07/01/2026 (Street) RIO DE JANEIRO20030-000 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Shares 07/01/2026 A 11 ( 1 ) A $ 0 142,204 ( 2 ) D Common Shares 07/01/2026 A 932 ( 1 ) A $ 0 4,200,831 I See Footnotes ( 3 ) Common Shares 07/01/2026 A 545 ( 1 ) A $ 0 2,456,832 I See Footnotes ( 4 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Class "C" Preferred Shares ( 5 ) 07/01/2026 C 11 ( 1 ) ( 5 ) ( 5 ) Common Shares 11 $ 0 12,556 D Class "C" Preferred Shares ( 5 ) 07/01/2026 C 932 ( 1 ) ( 5 ) ( 5 ) Common Shares 932 $ 0 979,818 I See Footnotes ( 3 ) Class "C" Preferred Shares ( 5 ) 07/01/2026 C 545 ( 1 ) ( 5 ) ( 5 ) Common Shares 545 $ 0 573,043 I See Footnotes ( 4 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Falconi Campos Vicente AVENIDA GRACA ARANHA, NO. 26 CENTRO RIO DE JANEIRO20030-000 X Signatures /s/ Vicente Falconi Campos 07/02/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On July 1, 2026, certain of the class "C" preferred shares ("PNC Shares") previously reported herein were converted into Common Shares, in connection with the mandatory redemption of 0.0951% of AXIA Energia S.A. (the "Company")'s outstanding PNC Shares announced on June 14, 2026 and pursuant to the terms of the Company's bylaws. ( 2 )Represents the sum of (i) RSUs; and (ii) common shares held by the reporting person. ( 3 )Vicente Falconi Campos ("Mr. Campos") is a controlling shareholder in STARTOURS FIA IE ("Startours") which directly holds the Common Shares and the PNC Shares of the Company reported in this filing. Mr. Campos may be deemed to indirectly beneficially own these shares by virtue of control over Startours. For the purposes of this filing, each of Startours and Mr. Campos disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein. This filing shall not be deemed an admission that Startours or Mr. Campos is the beneficial owner of any of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise. ( 4 )Mr. Campos is a controlling shareholder in TUCA FIA RESPONSABILIDADE LIMITADA ("Tuca") which directly holds the Common Shares and the PNC Shares of the Company reported in this filing. Mr. Campos may be deemed to indirectly beneficially own these shares by virtue of control over Tuca. For the purposes of this filing, each of Tuca and Mr. Campos disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein. This filing shall not be deemed an admission that Tuca or Mr. Campos is the beneficial owner of any of the reported securities for purposes of Section 16 of the Exchange Act, or otherwise. ( 5 )Pursuant to Article 11 of the Bylaws of the Company, the PNC Shares shall be automatically converted into Common Shares, assuming such PNC Shares are not earlier mandatorily redeemed by the Company in accordance with its Bylaws, at a ratio of 1:1, as follows: 4% of the total volume of originally-issued PNC Shares, allocated proportionally among all holders, in each of the fiscal years 2026, 2027, 2028, 2029 and 2030; and all PNC Shares remaining, in fiscal year 2031.

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