MYSE Myseum, Inc. - 8-K

Item 5.02 Departure
of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On April 17, 2026, the
Compensation Committee of the Board of Directors of Myseum.AI, Inc. (f/k/a Myseum, Inc. and DatChat, Inc.) (the “Company”)
approved a salary increase for Chief Technology Officer, Peter Shelus. Effective April 17, 2026, Mr. Shelus’ annual salary
increased from $275,000 to $350,000.

Item 8.01 Other Events.

On April 17, 2026, the
Company issued a press release announcing that it has been accepted into the AMD AI Developer Program by Advanced Micro Devices. A copy
of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

On April 23, 2026, the
Company filed Amendment No. 1 to the prospectus supplement dated February 6, 2026 and filed with the Securities and Exchange Commission
on February 6, 2026 for an additional $2,754,500 of shares of the Company’s common stock, par value $0.0001 per share (the “Common
Stock”) that may be issued and sold under the Sales Agreement with The Benchmark Company, LLC ("Benchmark"), dated February
10, 2025, as amended by that certain First Amendment to Sales Agreement dated February 6, 2026 (as amended, the "Sales Agreement").
A copy of the legal opinion as to the legality of the $2,754,500 of shares of Common Stock issuable under the Sales Agreement and covered
by the prospectus supplement, as amended, is filed as Exhibit 5.1 attached hereto.

Item 9.01 Financial Statements and Exhibits.

(d)
Exhibits.

Exhibit No.

Description of Exhibit

5.1

Opinion of Sheppard Mullin Richter & Hampton LLP

23.1

Consent of Sheppard Mullin Richter & Hampton LLP (included in Exhibit 5.1)

99.1

Press release dated April 17, 2026

104

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