MYSE · Myseum.AI, Inc. · Insider Trading
Substantial doubt about the company's ability to continue as a going concern.
“These conditions raise substantial doubt about the Company's ability to continue as a going concern within one year from the date these consolidated financial statements are issued.”View the 10-Q filed Aug 14, 2026
Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.
| Date | Insider | Role | Type | Security | Shares |
|---|---|---|---|---|---|
| 2025-09-19 | Myman Darin M |
Director, Chief Executive Officer |
Buy↑
|
Common Stock
|
2,700 |
| 2025-09-19 | Myman Darin M |
Director, Chief Executive Officer |
Buy↑
|
Common Stock
|
300 |
| 2025-09-19 | Myman Darin M |
Director, Chief Executive Officer |
Buy↑
|
Common Stock
|
1,000 |
| 2025-09-03 | Myman Darin M |
Director, Chief Executive Officer |
Buy↑
|
Common Stock
|
400 |
| 2025-09-03 | Myman Darin M |
Director, Chief Executive Officer |
Buy↑
|
Common Stock
|
2,600 |
| 2025-09-02 | Myman Darin M |
Director, Chief Executive Officer |
Buy↑
|
Common Stock
|
3,000 |
| 2025-08-28 | Myman Darin M |
Director, Chief Executive Officer |
Buy↑
|
Common Stock
|
400 |
| 2025-08-28 | Myman Darin M |
Director, Chief Executive Officer |
Buy↑
|
Common Stock
|
600 |
| 2025-08-28 | Myman Darin M |
Director, Chief Executive Officer |
Buy↑
|
Common Stock
|
500 |
| 2025-08-28 | Myman Darin M |
Director, Chief Executive Officer |
Buy↑
|
Common Stock
|
500 |
| 2025-08-18 | Myman Darin M |
Director, Chief Executive Officer |
Award↑
Filing footnotes — Options (right to buy) (Direct)
On August 18, 2025, the Reporting Person was granted options ("Options") to purchase up to 225,000 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. |
Options (right to buy)
|
225,000 |
| 2025-08-18 | Nelson Joseph Eugene |
Director |
Award↑
Filing footnotes — Options (right to buy) (Direct)
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. |
Options (right to buy)
|
5,000 |
| 2025-08-18 | Schumer Carly |
Director |
Award↑
Filing footnotes — Options (right to buy) (Direct)
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. |
Options (right to buy)
|
5,000 |
| 2025-08-18 | Myman Darin M |
Director, Chief Executive Officer |
Buy↑
|
Common Stock
|
2,500 |
| 2025-08-18 | Linsley Wayne |
Director |
Award↑
Filing footnotes — Options (right to buy) (Direct)
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. |
Options (right to buy)
|
5,000 |
| 2025-08-18 | Shelus Peter |
Director |
Award↑
Filing footnotes — Options (right to buy) (Direct)
On August 18, 2025, the Reporting Person was granted options ("Options") to purchase up to 25,000 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. |
Options (right to buy)
|
25,000 |
| 2025-08-18 | Myman Darin M |
Director, Chief Executive Officer |
Buy↑
|
Common Stock
|
616 |
| 2025-08-18 | Myman Darin M |
Director, Chief Executive Officer |
Buy↑
|
Common Stock
|
3,000 |
| 2025-01-14 | Myman Darin M |
Director, Chief Executive Officer |
Award↑
Filing footnotes — Options (right to buy) (Direct)
On January 14, 2025, the Reporting Person was granted options ("Options") to purchase up to 200,000 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. |
Options (right to buy)
|
200,000 |
| 2025-01-14 | Schumer Carly |
Director |
Award↑
Filing footnotes — Options (right to buy) (Direct)
On January 14, 2025, the Reporting Person was granted options ("Options") to purchase up to 10,000 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. |
Options (right to buy)
|
10,000 |
| 2025-01-14 | Linsley Wayne |
Director |
Award↑
Filing footnotes — Options (right to buy) (Direct)
On January 14, 2025, the Reporting Person was granted options ("Options") to purchase up to 10,000 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. |
Options (right to buy)
|
10,000 |
| 2025-01-14 | Nelson Joseph Eugene |
Director |
Award↑
Filing footnotes — Options (right to buy) (Direct)
On January 14, 2025, the Reporting Person was granted options ("Options") to purchase up to 10,000 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. |
Options (right to buy)
|
10,000 |
| 2025-01-14 | Shelus Peter |
Director |
Award↑
Filing footnotes — Options (right to buy) (Direct)
On January 14, 2025, the Reporting Person was granted options ("Options") to purchase up to 10,000 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. |
Options (right to buy)
|
10,000 |
| 2022-09-22 | Myman Darin M |
Director, Chief Executive Officer |
Buy↑
Filing footnotes — COMMON STOCK (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.71 to $0.7096. The reporting person undertakes to provide DatChat, Inc., any security holder of DatChat, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. |
COMMON STOCK
|
14,000 |
| 2021-09-28 | Zeno Dan |
Chief Operating Officer |
Award↑
Filing footnotes — Employee Stock Option (right to buy) (Direct)
The options shall vest and become exercisable in four equal installments every six months from the date of the grant (the first of such dates being March 28, 2022). |
Employee Stock Option (right to buy)
|
25,000 |
| 2021-09-28 | Linsley Wayne |
Director |
Award↑
Filing footnotes — Employee Stock Option (right to buy) (Direct)
The options shall vest and become exercisable in four equal installments every six months from the date of the grant (the first of such dates being March 28, 2022). |
Employee Stock Option (right to buy)
|
25,000 |
| 2021-09-28 | Myman Darin M |
Director, Chief Executive Officer |
Award↑
Filing footnotes — Employee Stock Option (right to buy) (Direct)
The options shall vest and become exercisable in four equal installments every six months from the date of the grant (the first of such dates being March 28, 2022). |
Employee Stock Option (right to buy)
|
250,000 |
| 2021-09-28 | Schumer Carly |
Director |
Award↑
Filing footnotes — Employee Stock Option (right to buy) (Direct)
The options shall vest and become exercisable in four equal installments every six months from the date of the grant (the first of such dates being March 28, 2022). |
Employee Stock Option (right to buy)
|
25,000 |
| 2021-09-28 | Nelson Joseph Eugene |
Director |
Award↑
Filing footnotes — Employee Stock Option (right to buy) (Direct)
The options shall vest and become exercisable in four equal installments every six months from the date of the grant (the first of such dates being March 28, 2022). |
Employee Stock Option (right to buy)
|
25,000 |
| 2021-08-24 | Zeno Dan |
Chief Operating Officer |
Award↑
Filing footnotes — Employee Stock Option (right to buy) (Direct)
The option shall vest and become exercisable in four equal installments every six months from the date of the grant (the first of such dates being February 24, 2022). |
Employee Stock Option (right to buy)
|
125,000 |
| 2021-08-24 | Daniels Gabriel |
CHIEF INFORMATION OFFICER |
Award↑
Filing footnotes — Employee Stock Option (right to buy) (Direct)
The option shall vest and become exercisable in four equal installments every six months from the date of the grant (the first of such dates being February 24, 2022). |
Employee Stock Option (right to buy)
|
27,500 |
| 2021-08-17 | Schumer Carly |
Director |
Award↑
|
Employee Stock Option (right to buy)
|
25,000 |
| 2021-08-13 | Schumer Carly |
Director |
Award↑
|
Employee Stock Option (right to buy)
|
25,000 |
| 2021-08-13 | Linsley Wayne |
Director |
Award↑
|
Employee Stock Option (right to buy)
|
25,000 |
| 2021-08-13 | MATS VADIM |
Director, CEO & Chairman |
Award↑
|
Employee Stock Option (right to buy)
|
25,000 |