AXIA Energia director converts 676 preferred shares

If not earlier mandatorily redeemed, the bylaws provide for 1:1 conversion and allocate 4% of originally issued PNC Shares proportionally in fiscal years 2026–2030.

Rhea-AI Filing Summary

AXIA Energia S.A. director Matte Ana Silvia Corso reported converting 676 Class “C” preferred shares into 676 common shares on October 2, 2026, in connection with the company’s announced mandatory redemption of 15.46% of outstanding PNC Shares. After the transaction, reported direct holdings were 3,698 Class “C” preferred shares and 22,102 common shares; a separate holding lists 4,000 common shares indirectly, by spouse.

Insider Trade Summary

676 shares exercised/converted

Exercise 3 txns

Insider Corso Matte Ana Silvia

Role Director

Type	Security	Shares	Price	Value
Conversion	Class "C" Preferred Shares F2, F1	676	$0.00	$0.00
Grant/Award	Common Shares F1	676	$0.00	$0.00
holding	Common Shares	--	--	--

Holdings After Transaction: Class "C" Preferred Shares — 3,698 contracts (Direct); Common Shares — 22,102 shares (Direct); Common Shares — 4,000 shares (Indirect, By spouse)

Footnotes (2)

1. F1. On October 2, 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 15.46% of AXIA Energia S.A. (the "Company")'s outstanding PNC Shares announced on September 22, 2026 and pursuant to the terms of the Company's bylaws.
2. F2. 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.

Key Figures

Class “C” preferred shares converted: 676 shares Common shares received in conversion: 676 shares Direct Class “C” preferred shares following transaction: 3,698 shares +4 more

7 metrics

Class “C” preferred shares converted 676 shares October 2, 2026

Common shares received in conversion 676 shares October 2, 2026

Direct Class “C” preferred shares following transaction 3,698 shares Reported after the October 2, 2026 transaction

Direct common shares following transaction 22,102 shares Reported after the October 2, 2026 transaction

Common shares held indirectly by spouse 4,000 shares Reported holding

Outstanding PNC Shares subject to announced mandatory redemption 15.46% Company announcement referenced in the conversion footnote

Bylaw conversion ratio 1:1 Automatic conversion of PNC Shares into common shares

Key Terms

PNC Shares, mandatory redemption, automatically converted into Common Shares

3 terms

PNC Shares financial

"the class "C" preferred shares ("PNC Shares")"

mandatory redemption financial

"in connection with the mandatory redemption of 15.46%"

Mandatory redemption is a contract clause that forces an issuer to buy back a security—such as a bond, preferred share, or convertible—under specified conditions or at scheduled times. For investors it matters because it determines when and how they will get their principal or liquidation value returned, affects the timing of income, and can change the total number of outstanding securities, similar to a store being required to repurchase a product on a set schedule.

automatically converted into Common Shares financial

"the PNC Shares shall be automatically converted into Common Shares"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many shares did AXIAY director Matte Ana Silvia Corso convert?

On October 2, 2026, Matte Ana Silvia Corso’s reported transaction converted 676 Class “C” preferred shares into 676 common shares. The conversion was connected with the company’s announced mandatory redemption of 15.46% of outstanding PNC Shares.

What were Matte Ana Silvia Corso’s AXIAY share holdings after the conversion?

After the October 2, 2026 transaction, the reported direct balances were 3,698 Class “C” preferred shares and 22,102 common shares. A separate holding lists 4,000 common shares indirectly, by spouse.

How does AXIAY’s PNC Share conversion schedule work?

The bylaws provide for automatic conversion at a 1:1 ratio, assuming the shares are not earlier mandatorily redeemed by the company. They specify that 4% of originally issued PNC Shares is allocated proportionally among holders in each fiscal year from 2026 through 2030, with all remaining PNC Shares converting in fiscal year 2031.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/05/2026 - 10:28 AM Accepted by SEC EDGAR 10/05/2026 - 10:28 AM Learn about SEC filing dates

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Corso Matte Ana Silvia

(Last) (First) (Middle)

AVENIDA GRACA ARANHA, NO. 26

CENTRO

(Street)

RIO DE JANEIRO 20030-000

(City) (State) (Zip)

BRAZIL

(Country)

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)

2a. Foreign Trading Symbol
[AXIA7]

3. Date of Earliest Transaction (Month/Day/Year)
10/02/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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	10/02/2026		A		676(1)	A	$0	22,102	D
Common Shares								4,000	I	By spouse

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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: 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	(2)	10/02/2026		C			676(1)	(2)	(2)	Common Shares	676	$0	3,698	D

Explanation of Responses:

1. On October 2, 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 15.46% of AXIA Energia S.A. (the "Company")'s outstanding PNC Shares announced on September 22, 2026 and pursuant to the terms of the Company's bylaws.

2. 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.

Remarks:

	/s/ Ana Silvia Corso Matte	10/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)