StoneCo (STNE) COO details initial direct and indirect share ownership

Rhea-AI Filing Summary

StoneCo Ltd. filed an initial ownership report for Chief Operating Officer Sandro de Oliveira Bassili. The filing shows direct ownership of 752,178 shares of Common Stock and an additional 860 shares held indirectly through Blairwind Management Ltd. A footnote explains that these amounts include both restricted stock units that represent a contingent right to receive one share of StoneCo’s Common Stock as well as already-issued Common Stock. This Form 3 does not report new buying or selling activity; it establishes Bassili’s existing equity position as an executive of the company.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider de Oliveira Bassili Sandro

Role Chief Operating Officer

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

Holdings After Transaction: Common Stock — 752,178 shares (Direct); Common Stock — 860 shares (Indirect, By Blairwind Management Ltd.)

Footnotes (1)

1. [object Object]

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^*

de Oliveira Bassili Sandro

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Operating 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 Stock	752,178(1)	D
Common Stock	860	I	By Blairwind Management Ltd.

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 Sandro de Oliveira Bassili	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 StoneCo (STNE) COO Sandro Bassili disclose in this Form 3?

He reports his existing ownership stake in StoneCo. The filing shows 752,178 shares of Common Stock held directly and 860 shares held indirectly through Blairwind Management Ltd., including both restricted stock units and issued shares.

How many StoneCo (STNE) shares does the COO hold directly and indirectly?

The COO is reported to hold 752,178 StoneCo Common Stock shares directly and 860 shares indirectly via Blairwind Management Ltd. These totals include restricted stock units and already-issued Common Stock as described in the footnote.

Are there any stock purchases or sales in this StoneCo (STNE) Form 3?

No, the Form 3 does not report stock purchases or sales. It serves as an initial statement of beneficial ownership, listing the COO’s existing direct and indirect holdings, including restricted stock units and Common Stock, rather than new transactions.

What does the footnote in the StoneCo (STNE) Form 3 explain?

The footnote explains that the reported amounts include both restricted stock units and shares of Common Stock. Each restricted stock unit represents a contingent right to receive one share of StoneCo’s Common Stock, in addition to already-issued shares.

How are indirect StoneCo (STNE) holdings structured for the COO?

Indirect holdings are reported as 860 StoneCo Common Stock shares held through Blairwind Management Ltd. This entity-level ownership is disclosed as indirect, while still being attributed to the COO for beneficial ownership reporting purposes on the Form 3.