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Myseum.AI, Inc.

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7833
SEC CIK
0001648960
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37

Last 12 months

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Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
September 19, 2025 Filed Sep 19, 2025 16:04 UTC
Myman Darin MDirector · Chief Executive Officer
PurchaseCommon Stock 2,700 $2.17 $5,857.65
Disclosure

SEC source: 0001213900-25-089528 · ownership.xml · nonDerivative · entry 3

Myman Darin M · CIK 0001349673 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 194,516

Read SEC document
September 19, 2025 Filed Sep 19, 2025 16:04 UTC
Myman Darin MDirector · Chief Executive Officer
PurchaseCommon Stock 1,000 $2.15 $2,150.00
Disclosure

SEC source: 0001213900-25-089528 · ownership.xml · nonDerivative · entry 2

Myman Darin M · CIK 0001349673 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 191,816

Read SEC document
September 19, 2025 Filed Sep 19, 2025 16:04 UTC
Myman Darin MDirector · Chief Executive Officer
PurchaseCommon Stock 300 $2.15 $643.50
Disclosure

SEC source: 0001213900-25-089528 · ownership.xml · nonDerivative · entry 1

Myman Darin M · CIK 0001349673 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 190,816

Read SEC document
September 03, 2025 Filed Sep 3, 2025 19:12 UTC
Myman Darin MDirector · Chief Executive Officer
PurchaseCommon Stock 2,600 $1.95 $5,069.74
Disclosure

SEC source: 0001213900-25-084207 · ownership.xml · nonDerivative · entry 2

Myman Darin M · CIK 0001349673 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 190,516

Read SEC document
September 03, 2025 Filed Sep 3, 2025 19:12 UTC
Myman Darin MDirector · Chief Executive Officer
PurchaseCommon Stock 400 $1.94 $774.00
Disclosure

SEC source: 0001213900-25-084207 · ownership.xml · nonDerivative · entry 1

Myman Darin M · CIK 0001349673 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 187,916

Read SEC document
September 02, 2025 Filed Sep 2, 2025 17:41 UTC
Myman Darin MDirector · Chief Executive Officer
PurchaseCommon Stock 3,000 $1.99 $5,970.00
Disclosure

SEC source: 0001213900-25-083530 · ownership.xml · nonDerivative · entry 1

Myman Darin M · CIK 0001349673 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 187,516

Read SEC document
August 28, 2025 Filed Aug 28, 2025 18:07 UTC
Myman Darin MDirector · Chief Executive Officer
PurchaseCommon Stock 500 $2.65 $1,325.00
Disclosure

SEC source: 0001213900-25-081924 · ownership.xml · nonDerivative · entry 4

Myman Darin M · CIK 0001349673 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 184,516

Read SEC document
August 28, 2025 Filed Aug 28, 2025 18:07 UTC
Myman Darin MDirector · Chief Executive Officer
PurchaseCommon Stock 500 $2.05 $1,025.00
Disclosure

SEC source: 0001213900-25-081924 · ownership.xml · nonDerivative · entry 3

Myman Darin M · CIK 0001349673 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 184,016

Read SEC document
August 28, 2025 Filed Aug 28, 2025 18:07 UTC
Myman Darin MDirector · Chief Executive Officer
PurchaseCommon Stock 600 $2.07 $1,242.00
Disclosure

SEC source: 0001213900-25-081924 · ownership.xml · nonDerivative · entry 2

Myman Darin M · CIK 0001349673 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 183,516

Read SEC document
August 28, 2025 Filed Aug 28, 2025 18:07 UTC
Myman Darin MDirector · Chief Executive Officer
PurchaseCommon Stock 400 $2.00 $800.00
Disclosure

SEC source: 0001213900-25-081924 · ownership.xml · nonDerivative · entry 1

Myman Darin M · CIK 0001349673 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 182,916

Read SEC document
August 18, 2025 Filed Aug 19, 2025 16:31 UTC GrantOptions (right to buy) · Derivative 5,000 $0.00 Strike: $3.00 $0.00
Disclosure

SEC source: 0001213900-25-078522 · ownership.xml · derivative · entry 1

Nelson Joseph Eugene · CIK 0001879973 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Common Stock · 5,000 shares

Expires 2030-08-18

F1 · derivative.exercise_date: 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.

Read SEC document
August 18, 2025 Filed Aug 19, 2025 16:30 UTC GrantOptions (right to buy) · Derivative 5,000 $0.00 Strike: $3.00 $0.00
Disclosure

SEC source: 0001213900-25-078514 · ownership.xml · derivative · entry 1

Schumer Carly · CIK 0001879005 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Common Stock · 5,000 shares

Expires 2030-08-18

F1 · derivative.exercise_date: 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.

Read SEC document
August 18, 2025 Filed Aug 19, 2025 16:31 UTC
Shelus PeterDirector
GrantOptions (right to buy) · Derivative 25,000 $0.00 Strike: $3.00 $0.00
Disclosure

SEC source: 0001213900-25-078523 · ownership.xml · derivative · entry 1

Shelus Peter · CIK 0001879004 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2030-08-18

F1 · derivative.exercise_date: 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.

Read SEC document
August 18, 2025 Filed Aug 19, 2025 20:31 UTC GrantOptions (right to buy) · Derivative 5,000 $0.00 Strike: $3.00 $0.00
Disclosure

SEC source: 0001213900-25-078524 · ownership.xml · derivative · entry 1

Linsley Wayne · CIK 0001809972 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Common Stock · 5,000 shares

Expires 2030-08-18

F1 · derivative.exercise_date: 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.

Read SEC document
August 18, 2025 Filed Aug 19, 2025 16:30 UTC
Myman Darin MDirector · Chief Executive Officer
GrantOptions (right to buy) · Derivative 225,000 $0.00 Strike: $3.00 $0.00
Disclosure

SEC source: 0001213900-25-078520 · ownership.xml · derivative · entry 5

Myman Darin M · CIK 0001349673 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 225,000

Underlying: Common Stock · 225,000 shares

Expires 2030-08-18

F2 · derivative.exercise_date: 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.

Read SEC document
August 18, 2025 Filed Aug 19, 2025 16:30 UTC
Myman Darin MDirector · Chief Executive Officer
PurchaseCommon Stock 2,500 $2.15 $5,375.00
Disclosure

SEC source: 0001213900-25-078520 · ownership.xml · nonDerivative · entry 3

Myman Darin M · CIK 0001349673 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 182,516

Read SEC document
August 18, 2025 Filed Aug 19, 2025 16:30 UTC
Myman Darin MDirector · Chief Executive Officer
PurchaseCommon Stock 3,000 $1.91 $5,739.60
Disclosure

SEC source: 0001213900-25-078520 · ownership.xml · nonDerivative · entry 2

Myman Darin M · CIK 0001349673 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,016

Read SEC document
August 18, 2025 Filed Aug 19, 2025 16:30 UTC
Myman Darin MDirector · Chief Executive Officer
PurchaseCommon Stock 616 $1.93 $1,188.88
Disclosure

SEC source: 0001213900-25-078520 · ownership.xml · nonDerivative · entry 1

Myman Darin M · CIK 0001349673 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 177,016

Read SEC document
January 14, 2025 Filed Jan 16, 2025 17:00 UTC GrantOptions (right to buy) · Derivative 10,000 $0.00 Strike: $5.50 $0.00
Disclosure

SEC source: 0001213900-25-004254 · ownership.xml · derivative · entry 1

Nelson Joseph Eugene · CIK 0001879973 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,500

Underlying: Common Stock · 10,000 shares

Expires 2035-01-14

F1 · derivative.exercise_date: 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.

Read SEC document
January 14, 2025 Filed Jan 16, 2025 17:00 UTC GrantOptions (right to buy) · Derivative 10,000 $0.00 Strike: $5.50 $0.00
Disclosure

SEC source: 0001213900-25-004252 · ownership.xml · derivative · entry 1

Schumer Carly · CIK 0001879005 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,500

Underlying: Common Stock · 10,000 shares

Expires 2035-01-14

F1 · derivative.exercise_date: 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.

Read SEC document
January 14, 2025 Filed Jan 16, 2025 17:00 UTC
Shelus PeterDirector
GrantOptions (right to buy) · Derivative 10,000 $0.00 Strike: $5.50 $0.00
Disclosure

SEC source: 0001213900-25-004253 · ownership.xml · derivative · entry 1

Shelus Peter · CIK 0001879004 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 10,000 shares

Expires 2035-01-14

F1 · derivative.exercise_date: 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.

Read SEC document
January 14, 2025 Filed Jan 16, 2025 22:00 UTC GrantOptions (right to buy) · Derivative 10,000 $0.00 Strike: $5.50 $0.00
Disclosure

SEC source: 0001213900-25-004255 · ownership.xml · derivative · entry 1

Linsley Wayne · CIK 0001809972 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,500

Underlying: Common Stock · 10,000 shares

Expires 2035-01-14

F1 · derivative.exercise_date: 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.

Read SEC document
January 14, 2025 Filed Jan 16, 2025 17:00 UTC
Myman Darin MDirector · Chief Executive Officer
GrantOptions (right to buy) · Derivative 200,000 $0.00 Strike: $5.50 $0.00
Disclosure

SEC source: 0001213900-25-004251 · ownership.xml · derivative · entry 1

Myman Darin M · CIK 0001349673 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 225,000

Underlying: Common Stock · 200,000 shares

Expires 2035-01-14

F1 · derivative.exercise_date: 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.

Read SEC document
September 22, 2022 Filed Sep 22, 2022 18:17 UTC
Myman Darin MDirector · CHIEF EXECUTIVE OFFICER
PurchaseCOMMON STOCK 14,000 $0.70 $9,798.60
Disclosure

SEC source: 0001520138-22-000433 · ownership.xml · nonDerivative · entry 1

Myman Darin M · CIK 0001349673 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,764,275

F1 · price: 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.

Read SEC document
September 28, 2021 Filed Sep 30, 2021 16:39 UTC GrantEmployee Stock Option (right to buy) · Derivative 25,000 $0.00 Strike: $35.00 $0.00
Disclosure

SEC source: 0001213900-21-050808 · ownership.xml · derivative · entry 1

Nelson Joseph Eugene · CIK 0001879973 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2026-09-28

F1 · derivative.exercise_date: 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).

Read SEC document
September 28, 2021 Filed Sep 30, 2021 16:56 UTC GrantEmployee Stock Option (right to buy) · Derivative 25,000 $0.00 Strike: $35.00 $0.00
Disclosure

SEC source: 0001213900-21-050822 · ownership.xml · derivative · entry 1

Schumer Carly · CIK 0001879005 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2026-09-28

F1 · derivative.exercise_date: 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).

Read SEC document
September 28, 2021 Filed Sep 30, 2021 16:42 UTC
Zeno DanChief Operating Officer
GrantEmployee Stock Option (right to buy) · Derivative 25,000 $0.00 Strike: $35.00 $0.00
Disclosure

SEC source: 0001213900-21-050814 · ownership.xml · derivative · entry 1

Zeno Dan · CIK 0001879007 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2026-09-28

F1 · derivative.exercise_date: 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).

Read SEC document
September 28, 2021 Filed Sep 30, 2021 20:33 UTC GrantEmployee Stock Option (right to buy) · Derivative 25,000 $0.00 Strike: $35.00 $0.00
Disclosure

SEC source: 0001213900-21-050802 · ownership.xml · derivative · entry 1

Linsley Wayne · CIK 0001809972 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2026-09-28

F1 · derivative.exercise_date: 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).

Read SEC document
September 28, 2021 Filed Sep 30, 2021 16:45 UTC
Myman Darin MChief Executive Officer
GrantEmployee Stock Option (right to buy) · Derivative 250,000 $0.00 Strike: $35.00 $0.00
Disclosure

SEC source: 0001213900-21-050816 · ownership.xml · derivative · entry 1

Myman Darin M · CIK 0001349673 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 250,000

Underlying: Common Stock · 250,000 shares

Expires 2026-09-28

F1 · derivative.exercise_date: 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).

Read SEC document
August 24, 2021 Filed Aug 26, 2021 17:18 UTC
Zeno DanCHIEF OPERATING OFFICER
GrantEmployee Stock Option (right to buy) · Derivative 125,000 $0.00 Strike: $6.25 $0.00
Disclosure

SEC source: 0001520138-21-000494 · ownership.xml · derivative · entry 1

Zeno Dan · CIK 0001879007 · CHIEF OPERATING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,000

Underlying: Common Stock · 125,000 shares

Expires 2026-08-24

F1 · derivative.exercise_date: 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).

Read SEC document
August 24, 2021 Filed Aug 26, 2021 17:20 UTC
Daniels GabrielCHIEF INFORMATION OFFICER
GrantEmployee Stock Option (right to buy) · Derivative 27,500 $0.00 Strike: $6.25 $0.00
Disclosure

SEC source: 0001520138-21-000497 · ownership.xml · derivative · entry 1

Daniels Gabriel · CIK 0001879169 · CHIEF INFORMATION OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,500

Underlying: Common Stock · 27,500 shares

Expires 2026-08-24

F1 · derivative.exercise_date: 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).

Read SEC document
August 17, 2021 Filed Aug 20, 2021 10:35 UTC GrantEmployee Stock Option (right to buy) · Derivative 25,000 $0.00 Strike: $4.15 $0.00
Disclosure

SEC source: 0001520138-21-000459 · ownership.xml · derivative · entry 1

Schumer Carly · CIK 0001879005 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2026-08-17

Read SEC document
August 17, 2021 Filed Aug 20, 2021 14:31 UTC GrantEmployee Stock Option (right to buy) · Derivative 25,000 $0.00 Strike: $4.15 $0.00
Disclosure

SEC source: 0001520138-21-000457 · ownership.xml · derivative · entry 1

Linsley Wayne · CIK 0001809972 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2026-08-17

Read SEC document
August 17, 2021 Filed Aug 20, 2021 10:25 UTC
MATS VADIMCHIEF FINANCIAL OFFICER
GrantEmployee Stock Option (right to buy) · Derivative 25,000 $0.00 Strike: $4.15 $0.00
Disclosure

SEC source: 0001520138-21-000454 · ownership.xml · derivative · entry 1

MATS VADIM · CIK 0001546594 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2026-08-17

Read SEC document
August 13, 2021 Filed Oct 12, 2021 17:18 UTC Amendment GrantEmployee Stock Option (right to buy) · Derivative 25,000 $0.00 Strike: $4.15 $0.00
Disclosure

SEC source: 0001520138-21-000626 · ownership.xml · derivative · entry 1

Schumer Carly · CIK 0001879005 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2026-08-13

Read SEC document
August 13, 2021 Filed Oct 12, 2021 21:16 UTC Amendment GrantEmployee Stock Option (right to buy) · Derivative 25,000 $0.00 Strike: $4.15 $0.00
Disclosure

SEC source: 0001520138-21-000624 · ownership.xml · derivative · entry 1

Linsley Wayne · CIK 0001809972 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2026-08-13

Read SEC document
August 13, 2021 Filed Oct 12, 2021 17:14 UTC Amendment
MATS VADIMCHIEF FINANCIAL OFFICER
GrantEmployee Stock Option (right to buy) · Derivative 25,000 $0.00 Strike: $4.15 $0.00
Disclosure

SEC source: 0001520138-21-000622 · ownership.xml · derivative · entry 1

MATS VADIM · CIK 0001546594 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2026-08-13

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.