TIM S.A. director Alessandra Michelini files Form 3

TIM S.A. director Alessandra Michelini filed an initial Form 3 reporting her status as a director of the company.

Rhea-AI Filing Summary

TIM S.A. director Alessandra Michelini filed an initial Form 3 reporting her status as a director of the company. The filing shows no reported transactions, with zero buy, sell, acquire, dispose, or derivative exercises in the transaction summary and no derivative positions listed.

FAQ

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

What does Alessandra Michelini's Form 3 filing for TIMB report?

The Form 3 for TIM S.A. reports that Alessandra Michelini is a director of the company. The transaction summary shows no purchases, sales, acquisitions, or dispositions, indicating this is a baseline ownership filing without reported trading activity or derivative exercises at this time.

Does Alessandra Michelini buy or sell any TIM S.A. (TIMB) shares in this Form 3?

No, the Form 3 shows no buying or selling of TIM S.A. shares by Alessandra Michelini. The transaction summary lists zero buyCount, sellCount, acquireCount, and disposeCount, and netBuySellDirection is neutral, indicating no reported trading activity in this filing.

What insider role does Alessandra Michelini hold at TIM S.A. (TIMB)?

The filing identifies Alessandra Michelini as a director of TIM S.A., with the director flag marked and officer indicators set to zero. She is not reported as an officer or ten percent owner, making this a director-level initial ownership report without associated transactions.

Are any derivative securities reported in Alessandra Michelini's TIMB Form 3?

No derivative securities are reported for Alessandra Michelini in this Form 3. The derivativeSummary section is empty, and derivativeTransactionCount and exerciseCount in the transaction summary are zero, indicating no options, warrants, or similar derivative positions are disclosed in this filing excerpt.

Does the Form 3 for TIM S.A. (TIMB) show any gifts or tax-withholding transactions?

The Form 3 does not show any gifts or tax-withholding events for Alessandra Michelini. The transaction summary lists giftCount and taxWithholdingCount as zero, and corresponding share counts are also zero, confirming no such dispositions are reported in this insider filing data.

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

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Accepted by SEC EDGAR 03/18/2026 - 03:41 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^*

Alessandra Michelini

(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)