6-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of December 2025

Commission File Number: 001-42370

MEGA MATRIX INC.

Level 21, 88 Market Street

CapitaSpring

Singapore 048948

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F ☒      Form 40-F ☐

INFORMATION CONTAINED INTHIS REPORT ON FORM 6-K

Resignation of Director

On December 30, 2025, Mr. Junyi Dai notified the Board of Directors (the “Board”) of Mega Matrix Inc. (the “Company”) of his decision to resign from any and all positions on the Board (including any committees thereof), effective as of the same date.

Mr. Dai’s resignation is for personal reasons and not due to any disagreement with the Company’s management team or the Company’s Board on any matter relating to the operations, policies or practices of the Company or any issues regarding the Company’s accounting policies or practices.

The Board is evaluating the appointment of another independent director to fill the vacancy on the Board (including any committees thereof) created by Mr. Dai’s resignation.

Incorporation by Reference

This report shall be deemed to be  incorporated by reference in the registration statements on  Form S-8 (File No. 333-277227), Form F-3 (File No. 333-283739), Form S-8 (File No. 333-289715), and Form F-3 (File No. 333-290026), each as filed with the Securities and Exchange Commission, to the extent not superseded by documents or reports subsequently filed.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

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