StoneCo (STNE) director Luciana Aguiar reports 21,774-share position

Rhea-AI Filing Summary

StoneCo Ltd. director Luciana Ibiapina Lira Aguiar has reported beneficial ownership of 21,774 shares of the company’s Common Stock. According to the disclosure, this figure includes both restricted stock units that each represent a contingent right to receive one share of Common Stock and currently held shares of Common Stock.

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^*

Aguiar Luciana Ibiapina Lira

(Last) (First) (Middle)

4TH FLOOR, HARBOUR PLACE

103 SOUTH CHURCH STREET, P.O. BOX 10240

(Street)

GRAND CAYMAN KY1-1002

(City) (State) (Zip)

CAYMAN ISLANDS

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
StoneCo Ltd. [ STNE ]

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)
Common Stock	21,774(1)	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

Explanation of Responses:

1. Includes both restricted stock units that represent a contingent right to receive one share of the Issuer's Common Stock, as well as shares of Common Stock.

Remarks:

Exhibit List - Exhibit 24.1 - Power of Attorney

	/s/ Priscilla Saraiva Godoy, attorney-in-fact for Luciana Ibiapina Lira Aguiar	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 position does Luciana Ibiapina Lira Aguiar hold at StoneCo (STNE)?

Luciana Ibiapina Lira Aguiar is identified as a director of StoneCo Ltd.. The disclosure does not list her as an officer or ten percent owner, focusing instead on her board role and the details of her reported Common Stock and restricted stock unit holdings.

How many StoneCo (STNE) shares does Luciana Aguiar report owning?

Luciana Aguiar reports beneficial ownership of 21,774 shares of StoneCo Common Stock. This total reflects her position after the reported event and is presented as her direct ownership, combining both actual shares and restricted stock units linked to future share delivery.

Does Luciana Aguiar’s reported StoneCo (STNE) stake include restricted stock units?

Yes, the reported 21,774-share beneficial ownership position includes restricted stock units. The footnote explains these units each represent a contingent right to receive one share of StoneCo’s Common Stock, in addition to any already issued Common Stock held in her name.

Are Luciana Aguiar’s StoneCo (STNE) holdings reported as direct or indirect ownership?

The filing characterizes Luciana Aguiar’s 21,774 StoneCo Common Stock position as direct ownership. There is no indication that these securities are held through a separate entity or trust, and the nature of ownership field is marked as direct rather than indirect.

Does the StoneCo (STNE) insider report show any recent buy or sell transactions?

The information provided reflects a holding entry with no buy or sell transactions recorded. Transaction counts for purchases, sales, exercises, gifts, and tax withholdings are all zero, while a single holding entry summarizes Luciana Aguiar’s post-report Common Stock and restricted stock unit position.