SEC Form 3 · accession 0001213900-26-077173

House of Doge Inc. · HODO

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — Chief Executive Officer

Period of report

Jun 30, 2026

Accepted (ET)

Jul 10, 2026 · 4:28 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001903595

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1	holding	—	—		—	3,687,753	D
Common Stock^F2	holding	—	—		—	112,524	I	By Mastika Investment Group, Inc.

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Restricted Stock Unit (RSU)^F3,F4,F5	$0.00	holding	—	—	—	—	—	Common Stock	16,109	—	D

F1The 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.
F2The 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.
F3Each RSU represents a contingent right to receive 1 share of the issuer's Common Stock upon settlement.
F44,027 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.
F5The 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.