TIM S.A. director files initial Form 3

TIM S.A. director Claudio Giovanni Ezio Ongaro filed an initial Form 3 reporting his status as a director of the company.

Rhea-AI Filing Summary

TIM S.A. director Claudio Giovanni Ezio Ongaro filed an initial Form 3 reporting his status as a director of the company. The filing shows no reportable transactions in TIM S.A. securities and no derivative security positions, reflecting only his role and Section 16 reporting obligation at this time.

FAQ

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

What does the TIMB Form 3 filed by Claudio Giovanni Ezio Ongaro show?

The Form 3 shows that Claudio Giovanni Ezio Ongaro is a director of TIM S.A. It reports no buy, sell, acquire, or dispose transactions and no derivative positions, serving as his initial beneficial ownership statement under Section 16 rules.

Were any TIMB shares bought or sold in this Form 3 filing?

No, this Form 3 reports no share purchases or sales. All transaction-related counts, including buy, sell, and net buy/sell shares, are zero, indicating it is purely an initial ownership and status filing without trading activity.

Does the TIMB Form 3 show any option or derivative positions for Ongaro?

No, the filing shows no derivative security positions. The derivative summary is empty, and derivative transaction counts are zero, indicating no reported options, warrants, or other derivative holdings in TIM S.A. at the time of this Form 3.

What insider role is disclosed for Claudio Giovanni Ezio Ongaro at TIM S.A.?

The Form 3 identifies Claudio Giovanni Ezio Ongaro as a director of TIM S.A. He is not flagged as an officer or ten percent owner in the filing, which frames the capacity in which he is a Section 16 reporting person.

Does this TIMB Form 3 indicate any gifts, tax withholdings, or restructurings?

No, the Form 3 lists zero gifts, tax-withholding dispositions, and restructuring events. Gift shares, tax-withholding shares, and restructuring shares all show as zero, reinforcing that the filing is administrative rather than transaction driven.

What is the overall transaction direction in this TIMB Form 3?

The overall transaction direction is reported as neutral. Net buy/sell shares are zero, and the net buy/sell direction field is neutral, confirming there is no aggregate buying or selling reflected in this initial ownership filing.

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

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Accepted by SEC EDGAR 03/18/2026 - 03:36 PM EDT Learn about SEC filing dates

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
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Ongaro Claudio Giovanni Ezio

(Last) (First) (Middle)

JOAO CABRAL DE MELO NETO AVENUE

850 - SOUTH TOWER - 12TH FLOOR

(Street)

RIO DE JANEIRO BRAZIL 22775-057

(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
TIM S.A. [ TIMB ]

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:

Exhibit 24.1 - Power of Attorney

No securities are beneficially owned.

	/s/ Leonardo Caiaffo Ferreira, attorney-in-fact	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)