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Form 3 House of Doge Inc. For: Jun 30 Filed by: Margiotta Marco

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July 10, 2026 4:28 PM EDT
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 *
Margiotta Marco
(Last) (First) (Middle)
C/O HOUSE OF DOGE INC.
261 NE 61ST STREET
(Street)
MIAMI FL 33137
(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
06/30/2026 		3. Issuer Name and Ticker or Trading Symbol
House of Doge Inc. [ HODO ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Executive Officer
 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)
Common Stock 3,687,753 (1)
D
 
Common Stock 112,524 (2)
I
By Mastika Investment Group, Inc.
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 Stock Unit (RSU) (3)   (4)   (5) Common Stock 16,109 0 D  
Explanation of Responses:
1. The shares were acquired at the closing of the Merger Agreement, dated October 12, 2025 (the "Merger Agreement"), by and among Brag House Holdings, Inc., House of Doge, Inc., and Brag House Merger Sub, Inc. The closing of the Merger Agreement occurred on June 30, 2026.
2. The shares were acquired at the closing of the Merger Agreement by Mastika Investment Group Inc., in which the reporting person has 50% beneficial ownership. The closing of the Merger Agreement occurred on June 30, 2026.
3. Each RSU represents a contingent right to receive 1 share of the issuer's Common Stock upon settlement.
4. 4,027 RSUs are fully vested as of the date of this report; the remaining 12,082 RSUs are subject to time-based vesting, vesting in equal tranches on September 30, 2026, December 31, 2026 and March 31, 2027.
5. The RSUs were awarded in connection with the closing of the Merger Agreement, which occurred on June 30, 2026. The RSUs vest in equal tranches on September 30, 2026, December 31, 2026 and March 31, 2027.
/s/ Marco Margiotta 07/10/2026
** 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.

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