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 *
TESTA MARCIANO

(Last) (First) (Middle)
UGLAND HOUSE, GRAND CAYMAN, KY1-1104

(Street)
GEORGE TOWN 99970

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026
3. Issuer Name and Ticker or Trading Symbol
AGI Inc [ AGBK ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
X Officer (give title below) Other (specify below)
Chairman and CEO
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)
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 common shares   (1)   (1) Class A Shares 97,545,219 (1) I By MT Capital Limited (2)
Class B Shares   (1)   (1) Class A Shares 1 (1) I By AGI Partners Limited (2)
Class B Shares   (1)   (1) Class A Shares 3,684,139 (1) I By Testa Ventures and Yepidale International Ventures Limited through AGI Partners Limited (2)
Explanation of Responses:
1. The Class B Shares have no expiration date and are convertible into the issuer's Class A Shares on a 1-for-1 basis (a) at the holder's option or (b) upon the election of the holders of a majority of the then outstanding Class B Shares, all outstanding Class B Shares may be converted into a like number of Class A Shares.
2. Mr. Marciano Testa owns common shares of AGI Inc. through Testa Ventures, Yepidale International Ventures Limited, MT Capital Limited (vehicles wholly owned by Mr. Marciano Testa) and through AGI Partners Limited. Mr. Marciano Testa is the controlling shareholder of AGI Partners Limited and disclaims ownership of the Class A common shares and Class B common shares held by AGI Partners Limited except to the extent he has a pecuniary interest therein.
Remarks:
Exhibit List - Exhibit 24.1 - Power of Attorney
/s/ Nicholas Morelli Faleiros, attorney-in-fact for Marciano Testa 03/31/2026
** 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 4 (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.

ATTACHMENTS / EXHIBITS

ATTACHMENTS / EXHIBITS

EX-24