Sabesp director files initial Form 3 ownership

COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP reported an initial statement of beneficial ownership on Form 3 for director Goncalves Silva Alexandre.

Accepted by SEC EDGAR 03/19/2026 - 06:30 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP reported an initial statement of beneficial ownership on Form 3 for director Goncalves Silva Alexandre. The filing lists no transactions, exercises, gifts, tax withholdings, or restructurings, indicating this is a baseline disclosure rather than a trading report.

FAQ

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

What does the Sabesp (SBS) Form 3 filing for Goncalves Silva Alexandre show?

The Form 3 shows that Goncalves Silva Alexandre is a director of Sabesp and provides an initial statement of beneficial ownership. The filing reports no transactions, exercises, gifts, or restructurings, serving purely as a baseline ownership disclosure.

Are there any buy or sell transactions in the Sabesp (SBS) Form 3 for Goncalves Silva Alexandre?

No. The Form 3 transaction summary lists zero buy and zero sell transactions, and net buy/sell shares are recorded as 0. This means the filing does not report any trading activity by the director.

Does the Sabesp (SBS) Form 3 indicate any option exercises or derivative activity?

No. The transaction summary shows an exercise count of 0 and derivative transaction count of 0, with an empty derivative summary. This indicates no reported option exercises, conversions, or other derivative-based activity in this Form 3.

What is the role of Goncalves Silva Alexandre at Sabesp (SBS) according to the Form 3?

According to the filing, Goncalves Silva Alexandre is a director of Sabesp and not listed as an officer or ten percent owner. The Form 3 formally records this status as part of the insider reporting framework.

Does the Sabesp (SBS) Form 3 disclose any gifts or tax-withholding share dispositions?

No. The transaction summary shows a gift count of 0 and tax withholding count of 0, with corresponding share amounts also at 0. This confirms there are no reported gifts or tax-related share dispositions in this filing.

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

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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

OMB APPROVAL

OMB Number:			3235-0104
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hours per response:			0.5

1. Name and Address of Reporting Person^*

Goncalves Silva Alexandre

(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 Alexandre Goncalves Silva	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)