TIM S.A. (NYSE: TIMB) officer details common and restricted share holdings

Rhea-AI Filing Summary

Maria Antonietta Russo, an officer of TIM S.A., reports direct holdings of company equity. She holds 47,274 common shares, along with two blocks of restricted shares tied to common stock: one covering 18,327 underlying common shares that vest on July 31, 2026, and another covering 18,062 underlying common shares that vest on July 30, 2027. Each restricted share represents a contingent right to receive one common share, reduced by any withholding taxes. The entries are reported as holdings with no buy or sell transactions indicated in the filing summary.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Russo Maria Antonietta

Role See Remarks

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

Holdings After Transaction: Restricted Shares — 18,327 shares (Direct); Common Shares — 47,274 shares (Direct)

Footnotes (1)

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

Understanding Insider Trading Forms →

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^*

Russo Maria Antonietta

(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)
	See Remarks

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	47,274	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)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Shares	(1)	(1)	Common Shares	18,327	(2)	D
Restricted Shares	(3)	(3)	Common Shares	18,062	(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 Officer Title: People, Culture & Organization Officer

	/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 insider ownership does Maria Antonietta Russo report in TIMB?

Maria Antonietta Russo reports direct ownership of 47,274 common shares of TIM S.A.. She also holds two tranches of restricted shares linked to 18,327 and 18,062 underlying common shares, subject to future vesting and tax withholding.

How many restricted shares linked to TIMB common stock does Russo hold?

Russo holds restricted shares tied to 18,327 and 18,062 underlying common shares. These positions are reported as restricted shares with an exercise price of 0.0000, each representing a contingent right to receive one common share minus withholding taxes at vesting.

When do Maria Antonietta Russo’s TIMB restricted shares vest?

One block of restricted shares vesting into TIM S.A. common stock vests on July 31, 2026. A second block vests on July 30, 2027. Vesting will deliver one common share per restricted share, reduced by any required withholding taxes.

Does this TIMB Form 3 show Maria Russo buying or selling shares?

The Form 3 lists three entries characterized as holding transactions with unknown transaction codes. The transaction summary shows zero buys, zero sells, and net buy/sell shares of zero, indicating only reported holdings rather than new purchases or sales.

What does each TIMB restricted share held by Russo represent?

Each restricted share represents a contingent right to receive one TIM S.A. common share at vesting. The delivered amount will be reduced by withholding taxes, meaning some shares may be retained by the issuer to satisfy tax obligations when the awards vest.