Sabesp (SBS) director Eduardo Parente Menezes files initial Form 3

Rhea-AI Filing Summary

COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP filed an initial Form 3 for reporting person Eduardo Parente Menezes. The filing identifies him as a director of the company and shows no reported insider transactions or derivative positions in this statement.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Parente Menezes Eduardo

(Last) (First) (Middle)

300 COSTA CARVALHO STREET

(Street)

SAO PAULO 05429-900

(City) (State) (Zip)

BRAZIL

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP [ SBSP3 ]

3a. Foreign Trading Symbol

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

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

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

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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Securities Exchange Act of 1934 (the "Act"), the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act. Exhibit 24 - Power of Attorney.

No securities are beneficially owned.

	/s/ Beatriz Caroline de Sousa Daher, as attorney-in-fact for Eduardo Parente Menezes	03/18/2026
	** 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 5 (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 3: SEC 1473 (03-26)

FAQ

What does the Sabesp (SBS) Form 3 filing for Eduardo Parente Menezes show?

The Form 3 records Eduardo Parente Menezes as a director of Sabesp. It serves as his initial insider ownership report and shows no reported buy, sell, or derivative transactions in this filing, indicating it is purely a baseline disclosure.

Does the Sabesp (SBS) Form 3 report any insider share purchases or sales?

No insider buy or sell activity is reported in this Form 3. The transaction summary shows zero buys, zero sells, and zero derivative exercises, indicating there are no insider trading transactions disclosed in this specific statement.

What insider role is disclosed in the Sabesp (SBS) Form 3 for Eduardo Parente Menezes?

The Form 3 identifies Eduardo Parente Menezes as a director of Sabesp. He is not listed as an officer and is not marked as a ten percent owner, so the filing focuses on his role as a board-level insider.

Are any derivative securities reported in the Sabesp (SBS) Form 3 for Eduardo Parente Menezes?

No derivative securities are reported in this filing. The derivative summary shows zero derivative transactions and no remaining derivative positions, meaning the Form 3 does not list options, warrants, or other derivative holdings for the reporting person.

What does the transaction summary indicate in Sabesp (SBS) director Eduardo Parente Menezes’ Form 3?

The transaction summary shows no activity: zero buys, sells, gifts, tax withholdings, restructurings, or derivative exercises. Net buy/sell direction is listed as neutral, underscoring that the filing is an initial status report rather than a record of trades.