TIM S.A. (NYSE: TIMB) director Bonino Gigliola submits Form 3

Rhea-AI Filing Summary

TIM S.A. director Bonino Gigliola filed a Form 3, identifying their role as a board member of the company. The filing does not list any stock purchases, sales, or other transactions, and instead serves mainly to register this person as a reporting insider for TIM S.A.

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^*

Bonino Gigliola

(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)

FAQ

What does the TIMB Form 3 filing for Bonino Gigliola show?

The Form 3 filing identifies Bonino Gigliola as a director of TIM S.A. It shows no reported stock purchases, sales, or other transactions, serving mainly to establish this person as an insider subject to ongoing disclosure requirements.

Are there any share transactions reported in TIMB director Bonino Gigliola’s Form 3?

No share transactions are reported in this Form 3 for Bonino Gigliola. The transactions section is empty, indicating no buys, sells, exercises, gifts, or restructurings were disclosed in this particular filing for TIM S.A.

Who is the reporting person in the TIMB Form 3 filing?

The reporting person is Bonino Gigliola, listed as a director of TIM S.A. This establishes their status as an insider of the company and subjects them to future reporting of applicable equity transactions in TIM S.A. securities.

Does the TIMB Form 3 for Bonino Gigliola indicate any derivative positions?

The Form 3 shows no derivative positions for Bonino Gigliola. The derivative summary is empty, and the transaction summary records zero derivative transactions or option exercises related to TIM S.A. at the time of this filing.

What does the transaction summary in TIMB’s Form 3 indicate for Bonino Gigliola?

The transaction summary records zero buys, sells, exercises, gifts, tax withholdings, or restructurings for Bonino Gigliola. Net buy-sell direction is neutral, confirming that this filing only establishes insider status at TIM S.A. without reporting any trades.