Telefonica Brasil (VIV) director Trias Marc Xirau files initial Form 3

Rhea-AI Filing Summary

TELEFONICA BRASIL S.A. director Trias Marc Xirau has filed an initial Form 3, which is the required statement of beneficial ownership for insiders. The data provided show no reported transactions or derivative positions in this filing, and the report serves mainly to establish his insider status as a director.

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^*

Trias Marc Xirau

(Last) (First) (Middle)

AV. ENG LUIS CARLOS BERRINI, 1376

(Street)

SAO PAULO 04571-936

(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
TELEFONICA BRASIL S.A. [ VIV ]

3a. Foreign Trading Symbol
[VIVT3]

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:

Exhibit 24.1 - Power of Attorney

No securities are beneficially owned.

	/s/ Marc Xirau Trias	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 Form 3 filing for TELEFONICA BRASIL S.A. (VIV) show?

The Form 3 filing shows that Trias Marc Xirau is a director of TELEFONICA BRASIL S.A. It serves as his initial statement of beneficial ownership and, in the data provided, reports no transactions or derivative securities positions.

Who is the reporting person on TELEFONICA BRASIL S.A. (VIV) Form 3?

The reporting person is Trias Marc Xirau, identified in the filing as a director of TELEFONICA BRASIL S.A. This status means he is considered an insider and must report his beneficial ownership and future changes on SEC forms.

Are there any buy or sell transactions in this TELEFONICA BRASIL S.A. (VIV) Form 3?

The summarized data for this Form 3 show no buy, sell, acquire, or dispose transactions. It functions as an initial ownership statement rather than a record of trading activity, with all transaction-related counts reported as zero.

Does the TELEFONICA BRASIL S.A. (VIV) Form 3 include derivative securities?

The filing data indicate no derivative securities positions for Trias Marc Xirau. The derivative summary is empty, and exercise, gift, tax withholding, and restructuring share counts are all reported as zero in the transaction summary.

Why is Form 3 important for TELEFONICA BRASIL S.A. (VIV) insiders?

Form 3 is important because it establishes an insider’s initial beneficial ownership when they become a director, officer, or large shareholder. It provides a baseline for future Form 4 and Form 5 filings that report subsequent changes in their holdings.