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

Rhea-AI Filing Summary

Joseph Eugene Nelson, a director of Myseum, Inc. (MYSE), was granted options to purchase 5,000 shares of the company's common stock on 08/18/2025. The options have an exercise price of $3 per share and expire on 08/18/2030. They vest in four equal installments semiannually, with the first installment vesting six months after issuance. Following the grant, the reporting person beneficially owns 5,000 underlying shares on a direct basis. The Form 4 was signed by the reporting person on 08/19/2025. The filing lists the reporting person’s mailing address as C/O Myseum, Inc., 65 Church Street, Suite 230, New Brunswick, NJ 08901.

Insights

Corporate Governance Expert

TL;DR: Routine director equity grant with multi-year vesting aligns executive incentives without immediate dilution.

The grant of 5,000 options at a $3 exercise price to a director is a common governance practice to align long-term interests of directors with shareholders. Vesting in four equal semiannual installments starting six months post-grant creates continued service incentives over two years. The five-year term to 08/18/2030 is standard for options and provides time value for potential appreciation. This disclosure is informational and not by itself indicative of material change to capital structure.

Securities Analyst

TL;DR: Small option grant disclosed on Form 4; impact on share count and immediate valuation is minimal.

A 5,000‑share option award is modest in absolute terms for most public issuers and appears to be a typical incentive award for a director. The $3 strike establishes the threshold for intrinsic value; until exercised, these are potential dilution. The filing properly reports direct beneficial ownership and option terms. No other transactions or compensatory details are presented.

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

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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^*

Nelson Joseph Eugene

(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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
08/18/2025

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

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
Options (right to buy)	$3	08/18/2025		A		5,000		(1)	08/18/2030	Common Stock	5,000	$0	5,000	D

Explanation of Responses:

1. On August 18, 2025, the Reporting Person was granted options ("Options") to purchase up to 5,000 shares of the Registrant's common stock pursuant to the Registrant's Amended and Restated 2021 Equity Incentive Plan. The Options will vest in four equal installments semiannually, with the first installment vesting six months from the date of issuance.

	/s/ Joseph Eugene Nelson	08/19/2025
	** 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 did the Myseum, Inc. (MYSE) Form 4 filed by Joseph Eugene Nelson disclose?

The Form 4 disclosed an option grant of 5,000 shares at a $3 exercise price, granted 08/18/2025, expiring 08/18/2030, vesting in four equal semiannual installments starting six months after issuance.

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

The reporting person beneficially owns 5,000 shares on a direct basis following the reported transaction.

What is the vesting schedule for the options reported on the Form 4?

The options vest in four equal installments semiannually, with the first installment vesting six months from the issuance date.

What is the exercise price and expiration date of the options granted to the director?

The exercise price is $3 per share and the options expire on 08/18/2030.

When was the Form 4 signed by the reporting person?

The Form 4 was signed by Joseph Eugene Nelson on 08/19/2025.