What restricted share awards for TIMB does Auana Mattar hold?

Auana Mattar holds restricted shares linked to 9,996 underlying common shares and another grant linked to 9,816 underlying common shares. These restricted shares each represent a contingent right to receive one common share, reduced by any shares withheld for taxes at vesting.

TIM S.A. CIO reports initial share holdings

Filing Impact

(Moderate)

Filing Sentiment

(Neutral)How Sentiment works

Sentiment and the balance of points

Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.

How Sentiment works How the balance works

Form Type

Rhea-AI Filing Summary

TIM S.A. Chief Information Officer Auana Mattar filed an initial Form 3 reporting her equity holdings in the company. She directly holds 8,447 common shares. She also holds restricted shares that represent rights to receive 9,996 common shares vesting on July 31, 2026, and 9,816 common shares vesting on July 30, 2027, with each restricted share converting into one common share minus withholding taxes.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Lima Auana Mattar

Role Chief Information Officer

Type	Security	Shares	Price	Value
holding	Restricted Shares	--	--	--
holding	Restricted Shares	--	--	--
holding	Common Shares	--	--	--

Holdings After Transaction: Restricted Shares — 19,812 contracts (Direct); Common Shares — 8,447 shares (Direct)

Footnotes (3)

F1. These restricted shares vest on July 31, 2026.
F2. Each restricted share represents a contingent right to receive one common share minus withholding taxes.
F3. These restricted shares vest on July 30, 2027.

FAQ

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

What does the TIMB Form 3 filing by Auana Mattar report?

The Form 3 filing reports Auana Mattar’s initial ownership of TIM S.A. equity. It lists her direct common share holdings and two grants of restricted shares that convert into common shares as they vest, minus any required tax withholding.

How many TIM S.A. common shares does Auana Mattar directly hold?

The filing shows Auana Mattar directly holds 8,447 TIM S.A. common shares. This figure reflects her direct ownership position as of the Form 3 date and does not include additional common shares she may receive from her restricted share awards.

When do Auana Mattar’s TIM S.A. restricted shares vest?

One restricted share grant vests on July 31, 2026, and another vests on July 30, 2027. Upon vesting, each restricted share entitles her to receive one TIM S.A. common share, subject to share withholding to satisfy applicable tax obligations.

How do Auana Mattar’s restricted shares convert into TIMB common shares?

Each restricted share represents a contingent right to receive one common share of TIM S.A. at vesting. However, the final number of shares delivered is reduced by any shares withheld to cover taxes, meaning she will receive net common shares after withholding.

Is the TIMB Form 3 filing a buy or sell transaction?

The Form 3 is an initial ownership report, not a buy or sell transaction. It simply discloses Auana Mattar’s existing direct common share holdings and her outstanding restricted share awards, including their vesting schedules and conversion terms into common shares.

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

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Accepted by SEC EDGAR 03/18/2026 - 01:51 PM EDT

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^*

Lima Auana Mattar

(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)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Chief Information Officer

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)
Common Shares	8,447	D

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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	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)
Restricted Shares	⁽¹⁾	⁽¹⁾	Common Shares	9,996	⁽²⁾	D
Restricted Shares	⁽³⁾	⁽³⁾	Common Shares	9,816	⁽²⁾	D

Explanation of Responses:

1. These restricted shares vest on July 31, 2026.

2. Each restricted share represents a contingent right to receive one common share minus withholding taxes.

3. These restricted shares vest on July 30, 2027.

Remarks:

Exhibit 24.1 - Power of Attorney

	/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)

Source: View Original Filing on SEC EDGAR