AXIA Energia director converts 355 preferred shares

Rhea-AI Filing Summary

AXIA Energia S.A. reported that director Corso Matte Ana Silvia converted 355 Class "C" preferred shares (PNC Shares) into 355 common shares on August 17, 2026, in connection with a previously announced mandatory redemption of 6.14% of the company’s outstanding PNC Shares and pursuant to its bylaws. Following these transactions, the director holds 18,960 common shares and 5,440 PNC Shares directly, plus an additional 4,000 common shares held indirectly by a spouse. Under Article 11 of the bylaws, remaining PNC Shares are scheduled for automatic 1:1 conversion into common shares over fiscal years 2026–2031.

Insider Trade Summary

355 shares exercised/converted

Exercise 3 txns

Insider Corso Matte Ana Silvia

Role Director

Type	Security	Shares	Price	Value
Conversion	Class "C" Preferred Shares F2	355	$0.00	$0.00
Grant/Award	Common Shares F1	355	$0.00	$0.00
holding	Common Shares	--	--	--

Holdings After Transaction: Class "C" Preferred Shares — 5,440 contracts (Direct); Common Shares — 18,960 shares (Direct); Common Shares — 4,000 shares (Indirect, By spouse)

Footnotes (2)

1. F1. On August 17, 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 6.14% of AXIA Energia S.A. (the "Company")'s outstanding PNC Shares announced on August 6, 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

PNC Shares converted: 355 shares Common shares acquired: 355 shares Direct common share holdings: 18,960 shares +5 more

8 metrics

PNC Shares converted 355 shares Class "C" preferred shares converted into common shares on August 17, 2026

Common shares acquired 355 shares Common shares received upon conversion on August 17, 2026

Direct common share holdings 18,960 shares Common shares directly held by the director after the reported transactions

Direct PNC Share holdings 5,440 shares Class "C" preferred shares directly held after the derivative conversion

Indirect common share holdings 4,000 shares Common shares held indirectly by spouse as reported in the filing

Mandatory PNC redemption 6.14% Portion of AXIA Energia S.A.’s outstanding PNC Shares subject to mandatory redemption announced August 6, 2026

Annual automatic conversion rate 4% Percentage of originally issued PNC Shares automatically converted each fiscal year 2026–2030

Final conversion year 2031 Year in which all remaining PNC Shares are converted into common shares under Article 11

Key Terms

mandatory redemption, PNC Shares, automatically converted, fiscal years, +1 more

5 terms

mandatory redemption financial

"in connection with the mandatory redemption of 6.14% of AXIA Energia S.A."

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.

PNC Shares financial

"class "C" preferred shares ("PNC Shares") previously reported herein were converted"

automatically converted financial

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

fiscal years financial

"in each of the fiscal years 2026, 2027, 2028, 2029 and 2030"

Article 11 of the Bylaws regulatory

"Pursuant to Article 11 of the Bylaws of the Company, the PNC Shares"

FAQ

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

What insider share conversion did AXIAY report for Corso Matte Ana Silvia on August 17, 2026?

AXIA Energia S.A. reported that director Corso Matte Ana Silvia converted 355 PNC Shares into 355 common shares on August 17, 2026, as part of a mandatory redemption of 6.14% of outstanding PNC Shares under the company’s bylaws.

How many AXIAY common shares does Corso Matte Ana Silvia hold after the reported transactions?

After the transactions, Corso Matte Ana Silvia holds 18,960 common shares directly. In addition, 4,000 common shares are held indirectly by a spouse, as disclosed in the holdings information.

What are Corso Matte Ana Silvia’s remaining preferred (PNC) holdings in AXIAY after the conversion?

Following the August 17, 2026 conversion, Corso Matte Ana Silvia directly holds 5,440 PNC Shares. These are Class "C" preferred shares that remain outstanding and are subject to the company’s bylaws on future conversions.

What mandatory redemption of PNC Shares did AXIA Energia S.A. announce affecting this Form 4?

AXIA Energia S.A. announced a mandatory redemption of 6.14% of its outstanding PNC Shares on August 6, 2026. The August 17, 2026 conversion of 355 PNC Shares into common shares for the director occurred in connection with this redemption.

How does Article 11 of AXIAY’s bylaws govern future conversion of PNC Shares into common shares?

Article 11 of AXIA Energia S.A.’s bylaws provides for automatic 1:1 conversion of PNC Shares into common shares: 4% of originally issued PNC Shares each fiscal year from 2026–2030, allocated among holders, and all remaining PNC Shares in fiscal year 2031.

Are any of Corso Matte Ana Silvia’s AXIAY shares held indirectly?

Yes. In addition to direct holdings, the Form 4 shows 4,000 common shares held indirectly "By spouse". These are reported as indirect ownership, separate from the director’s directly held shares.

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

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Available on EDGAR 08/19/2026 - 04:54 PM EDT Accepted by SEC EDGAR 08/19/2026 - 04:53 PM EDT 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)
08/17/2026

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	08/17/2026		A		355(1)	A	$0	18,960	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)	08/17/2026		C			355	(2)	(2)	Common Shares	355	$0	5,440	D

Explanation of Responses:

1. On August 17, 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 6.14% of AXIA Energia S.A. (the "Company")'s outstanding PNC Shares announced on August 6, 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	08/19/2026
	** 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)