[Form 3] Inter & Co, Inc. Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

Inter & Co, Inc. director de Souza Rubens Menin Teixeira reported his existing indirect equity interests. He holds 115,720,675 Class B (convertible) common shares through Costellis International Limited, each convertible into one Class A common share, and 1,741 Class A common shares in the form of Brazilian Depositary Receipts through Challenger Fundo de Investimentos em Acoes.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider de Souza Rubens Menin Teixeira

Role Director

Type	Security	Shares	Price	Value
holding	Class B (convertible) Common Share	--	--	--
holding	Class A Common Share	--	--	--

Holdings After Transaction: Class B (convertible) Common Share — 115,720,675 shares (Indirect, By Costellis International Limited, a BVI company controlled by the reporting person); Class A Common Share — 1,741 shares (Indirect, By Challenger Fundo de Investimentos em Acoes, a Brazilian investment fund.)

Footnotes (1)

1. Consists solely of Class A common shares held in the form of Brazilian Depositary Receipts ("BDRs"). Class B common shares are convertible into Class A common shares of the Issuer on a one-to-one basis at any time at the option of the holder and automatically upon certain conditions set forth in the bylaws of the Issuer. Class B common shares are not listed on any exchange.

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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

de Souza Rubens Menin Teixeira

(Last) (First) (Middle)

AV BARBACENA 1219

(Street)

BELO HORIZONTE M/G D5 30190-131

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/17/2026

3. Issuer Name and Ticker or Trading Symbol
Inter & Co, Inc. [ INTR ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

5. If Amendment, Date of Original Filed (Month/Day/Year)

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)
Class A Common Share	1,741(1)	I	By Challenger Fundo de Investimentos em Acoes, a Brazilian investment fund.

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
Class B (convertible) Common Share	(2)	(2)	Class A Common Share	115,720,675	(2)	I	By Costellis International Limited, a BVI company controlled by the reporting person

Explanation of Responses:

1. Consists solely of Class A common shares held in the form of Brazilian Depositary Receipts ("BDRs").

2. Class B common shares are convertible into Class A common shares of the Issuer on a one-to-one basis at any time at the option of the holder and automatically upon certain conditions set forth in the bylaws of the Issuer. Class B common shares are not listed on any exchange.

Remarks:

	/s/ Rubens Menin Teixeira de Souza	03/17/2026
	** 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.