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

Rhea-AI Filing Summary

Myseum, Inc. director Carly Schumer was granted options to buy 5,000 shares of the company's common stock on 08/18/2025 under the Amended and Restated 2021 Equity Incentive Plan. The options vest in four equal semiannual installments, with the first installment vesting six months after issuance, and have an exercise/ conversion timeframe showing exercisable through 08/18/2030. Following the grant, Schumer directly beneficially owns 5,000 options. The Form 4 was signed on 08/19/2025.

Insights

Corporate Governance Expert

TL;DR: Routine director equity grant with time-based vesting; aligns director incentives but is not a major dilution event.

The grant of 5,000 options to a director under the companys 2021 Equity Incentive Plan is a common compensation mechanism to align long-term interests. Vesting in four equal semiannual installments starting six months after issuance signals time-based retention rather than performance contingent compensation. The five-year expiration window to 08/18/2030 provides the director a typical exercise period. The disclosure is complete regarding grant size, vesting schedule, and plan authority.

Securities/Compensation Analyst

TL;DR: Small option award to a director; modest potential dilution but standard practice for private/public companies.

Five thousand options granted to a single director represents a limited grant in absolute terms; the filing shows the award is direct and exercisable into 5,000 shares. The Form 4 lists the transaction code for a grant and provides the vesting cadence and expiration date, enabling investors to model potential future dilution timing. No cash proceeds or immediate share transfers were reported.

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^*

Schumer Carly

(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/ Carly Schumer	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 Carly Schumer report on the Form 4 for Myseum, Inc. (MYSE)?

The Form 4 reports a grant of 5,000 options to purchase common stock on 08/18/2025, with vesting in four equal semiannual installments beginning six months after issuance.

How many shares can be acquired under the option grant and when do they expire?

The options cover 5,000 underlying common shares and show an expiration/last exercisable date of 08/18/2030.

Is the option ownership direct or indirect according to the filing?

The filing indicates the ownership form is Direct (D) for the 5,000 options reported.

What vesting terms were disclosed for the options?

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

Was any cash paid or sale reported in this Form 4?

No cash proceeds or dispositions were reported; the Form 4 documents a grant (acquisition) of options only.