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

Rhea-AI Filing Summary

Myseum, Inc. director and CEO Darin Myman reported purchases of common stock on 09/03/2025. He acquired 400 shares at $1.935 and 2,600 shares at $1.9499, bringing his direct beneficial ownership to 190,516 shares. The filing also notes indirect ownership attributed to his spouse. The filing contains a standard disclaimer that the reporting person disclaims beneficial ownership of the securities and a signature dated 09/03/2025.

Positive

• Insider purchases of 3,000 common shares on 09/03/2025, indicating insider buying at market prices
• Direct beneficial ownership increased to 190,516 shares after the transactions
• Proper disclosure of reporting person roles (Director and Chief Executive Officer) and spousal indirect ownership

Negative

• None.

Insights

Financial Analyst

TL;DR: Insider purchases totaling 3,000 shares at roughly $1.94 suggest modest insider buying but not necessarily material.

The reported transactions are routine open-market purchases by a director/CEO, totaling 3,000 common shares acquired on 09/03/2025 at prices of $1.935 and $1.9499. Post-transaction direct ownership is reported as 190,516 shares, and indirect ownership is noted through the reporting person’s spouse. These trades increase insider alignment with shareholders but do not indicate a change in control or large-scale stake accumulation based on the data provided.

Corporate Governance Expert

TL;DR: Form 4 discloses routine insider purchases and proper Section 16 reporting; the spouse attribution is a standard disclosure.

The filing appropriately identifies the reporting person’s roles (director and CEO) and discloses direct acquisitions and a spousal indirect interest. The inclusion of the disclaimer is standard; there are no amendments, option exercises, or derivative transactions reported. From a governance perspective, the filing meets disclosure expectations and raises no immediate compliance concerns.

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
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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)
09/03/2025

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	09/03/2025		P		400	A	$1.935	187,916	D
Common Stock	09/03/2025		P		2,600	A	$1.9499	190,516	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	09/03/2025
	** 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

Who filed the Form 4 for Myseum, Inc. (MYSE)?

The Form 4 was filed by Darin Myman, who is identified as a director and Chief Executive Officer.

What transactions were reported on the Form 4 dated 09/03/2025?

The filing reports acquisitions of 400 shares at $1.935 and 2,600 shares at $1.9499 on 09/03/2025.

How many shares does the reporting person beneficially own after the reported transactions?

The reporting person is reported to beneficially own 190,516 shares following the transactions.

Is there any indirect beneficial ownership disclosed?

Yes, the filing discloses indirect ownership attributed to the reporting person’s spouse (noted as 23(1) I).

Does the Form 4 include derivative transactions or option activity?

No. Table II for derivative securities shows no entries; only non-derivative common stock purchases are reported.

When was the Form 4 signed?

The signature block shows the Form 4 was signed by /s/ Darin Myman on 09/03/2025.