TIM S.A. (TIMB) director Flavia Bittencourt files initial Form 3 report

Rhea-AI Filing Summary

TIM S.A. director Flavia Maria Bittencourt filed an initial ownership report on Form 3. This filing establishes her status as a director and discloses that, at the time of filing, there were no reportable transactions or derivative positions listed in the data provided.

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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

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1. Name and Address of Reporting Person^*

Bittencourt Flavia Maria

(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 by Flavia Maria Bittencourt show?

The Form 3 shows that Flavia Maria Bittencourt is a director of TIM S.A.. The provided data lists no reportable transactions, holdings, or derivative positions at the time reflected in this filing.

Does the TIMB Form 3 report any share purchases or sales?

No. The Form 3 data shows no buy or sell transactions, with zero shares reported for purchases, sales, exercises, gifts, tax withholding, or restructurings in the transaction summary section.

What insider role is disclosed for Flavia Maria Bittencourt at TIM S.A.?

The filing identifies Flavia Maria Bittencourt as a director of TIM S.A. She is not reported as an officer, ten percent owner, or holding any other specified role in the provided information.

Are there any derivative securities reported in the TIMB Form 3?

No derivative securities are shown. The derivativeSummary section is empty, and the transaction summary lists zero derivative transactions or option exercises associated with this Form 3 record.

Does the Form 3 for TIMB indicate any gifts or tax-withholding events?

No. The transaction summary records zero gifts and zero tax-withholding events, indicating no such movements of TIM S.A. securities in connection with this Form 3 submission.