[Form 4] DatChat, Inc. Series A Warrant Insider Trading Activity

Rhea-AI Filing Summary

Myseum, Inc. (MYSE) insider purchase reported. Director and Chief Executive Officer Darin Myman acquired 3,000 shares of Myseum common stock on 09/02/2025 at a price of $1.99 per share. After this transaction Mr. Myman directly beneficially owns 187,516 shares. The filing also discloses indirect beneficial ownership attributed to his spouse. The report includes a standard disclaimer that the reporting person disclaims beneficial ownership of certain securities.

Positive

• Insider purchase reported: CEO and director acquired 3,000 shares, which can be interpreted as a vote of confidence in the company.

Negative

• None.

Insights

Financial Analyst

TL;DR: Insider buying 3,000 shares at $1.99 adds a modest positive signal but is not large relative to total ownership.

The acquisition is a straightforward open-market purchase by the CEO and a director, increasing direct holdings to 187,516 shares. For investors this type of purchase can indicate management confidence, though the absolute size (3,000 shares at $1.99) appears modest versus total reported holdings. No derivative transactions or dispositions were reported, and the filing contains a typical beneficial-ownership disclaimer. This is a routine Section 16 disclosure without additional material events.

Corporate Governance Expert

TL;DR: The Form 4 documents a routine insider purchase by the CEO/director; governance implications are limited given the small transaction size.

Filing shows the reporting person holds both officer and director roles and made a small open-market purchase. The presence of indirect ownership via spouse is disclosed, which is standard practice. There are no amendments, no large sales, and no unusual transaction codes beyond a purchase. From a governance perspective, this disclosure meets Section 16 requirements and does not raise red flags.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Myman Darin M

(Last) (First) (Middle)

C/O MYSEUM, INC.

65 CHURCH STREET, SUITE 230

(Street)

NEW BRUNSWICK NJ 08901

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Myseum, Inc. [ MYSE ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
09/02/2025

4. 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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/02/2025		P		3,000	A	$1.99	187,516	D
Common Stock								23(1)	I	By spouse

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The Reporting Person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

	/s/ Darin Myman	09/02/2025
	** 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.

FAQ

What insider transaction does the Form 4 for Myseum, Inc. (MYSE) report?

The Form 4 reports that CEO/Director Darin Myman purchased 3,000 shares of Myseum common stock on 09/02/2025 at $1.99 per share.

How many shares does Darin Myman beneficially own after the reported transaction?

Following the reported purchase, the filing shows Mr. Myman directly beneficially owns 187,516 shares.

Does the filing disclose any indirect ownership related to the reporting person?

Yes. The Form 4 discloses indirect beneficial ownership attributed to the reporting person’s spouse.

Were any derivatives or sales reported in this Form 4?

No. The filing lists a non-derivative purchase of common stock and does not report derivatives or dispositions.

Is there anything unusual or material beyond the share purchase in this filing?

No. The filing contains a standard beneficial-ownership disclaimer and routine signatures; there are no additional material events disclosed.