MYSE 8-K: Exhibit 99.1 Press Release and Series A Warrant Terms

Rhea-AI Filing Summary

Myseum, Inc. filed a Form 8-K reporting a material event tied to a press release dated October 1, 2025. The filing lists the company’s Common Stock (ticker MYSE) and Series A Warrants (ticker MYSEW), each warrant exercisable for one share at an exercise price of $49.80. The document includes a press release exhibit (Exhibit 99.1) and an interactive cover page data file. The filing is signed by Darin Myman, Chief Executive Officer.

Positive

• Exhibit 99.1 press release provided, enabling investors to obtain more details
• Warrant exercise price is disclosed at $49.80, a clear contractual term

Negative

• None.

Insights

Corporate Disclosure Analyst

TL;DR: Filing confirms a press release and discloses warrant terms and exhibits.

The 8-K records a material event anchored by a press release dated October 1, 2025 and lists the company’s securities: Common Stock (MYSE) and Series A Warrants (MYSEW) with an exercise price of $49.80. That exercise price is a concrete contractual term that can affect dilution calculations if warrants are exercised.

Dependencies and near-term items to watch include whether the press release discloses additional financial impacts, timelines for any warrant exercises, or changes to listing status. Absent the exhibit text, the direct investor impact is limited to disclosure of the warrant price and the existence of a published press release.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 1, 2025

MYSEUM, INC.

(Exact name of registrant as specified in its charter)

Nevada		001-40729		47-2502264
(State or other jurisdiction of incorporation)		(Commission File Number)		(I. R. S. Employer Identification No.)

65 Church Street, Suite 230

New Brunswick, NJ 08901

(Address of principal executive offices, including ZIP code)

(732) 374-3529

(Registrant’s telephone number, including area code)

DatChat, Inc.

(Former name or former address, if changed since last report)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class:		Trading Symbol(s)		Name of each exchange on which registered:
Common Stock, $0.0001 par value		MYSE		The Nasdaq Stock Market LLC
Series A Warrants, each warrant exercisable for one share of Common Stock at an exercise price of $49.80		MYSEW		The Nasdaq Stock Market LLC

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01 Other Events.

On October 1, 2025, Myseum, Inc. issued a press release announcing an agreement with the creative agency Spitball for branding and advertising services. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

The exhibit listed in the following Exhibit Index is filed as part of this Current Report on Form 8-K.

Exhibit No.		Description of Exhibit
99.1		Press release dated October 1, 2025
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

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 hereunto duly authorized.

Date: October 1, 2025	MYSEUM, INC.
	/s/ Darin Myman
	Darin Myman
	Chief Executive Officer

2

FAQ

What did MYSE report in the Form 8-K dated October 1, 2025?

The Form 8-K notes a material event tied to a press release dated October 1, 2025 and lists the company’s Common Stock (MYSE) and Series A Warrants (MYSEW).

What is the exercise price of Myseum's Series A Warrants (MYSEW)?

Each Series A Warrant is exercisable for one share at an exercise price of $49.80.

Is the press release included in the filing for MYSE?

Yes; the filing references Exhibit 99.1, a press release dated October 1, 2025.

Who signed the Form 8-K for Myseum, Inc.?

The Form 8-K is signed by Darin Myman, Chief Executive Officer.

Does the 8-K include financial tables or major transactions?

No. The filing content provided does not include financial tables, earnings data, or details of major transactions.