DatChat, Inc. SEC filings document the issuer's corporate status, exchange-listed securities and material events for its common stock and Series A Warrants traded under DATSW. The filings identify the company as a Nevada corporation and disclose warrant terms, Nasdaq listing information, emerging-growth-company status and amendments affecting the company's charter.
Recent Form 8-K disclosures record the completed name change to Myseum, Inc., annual meeting voting results, amendments to the 2021 Omnibus Equity Incentive Plan, patent-related announcements and matters involving a former subsidiary's registration statement. The filing record also covers governance actions, equity compensation reserves and other event-based disclosures reported under Exchange Act requirements.
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.
Myseum, Inc. (MYSE) insider purchase reported. Director and Chief Executive Officer Darin Myman acquired 3,000 shares of Myseum common stock on 09/02/2025 at a price of $1.99 per share. After this transaction Mr. Myman directly beneficially owns 187,516 shares. The filing also discloses indirect beneficial ownership attributed to his spouse. The report includes a standard disclaimer that the reporting person disclaims beneficial ownership of certain securities.
Myseum, Inc. (MYSE) director and chief executive officer Darin Myman reported a series of open-market purchases of common stock on 08/28/2025. The report lists four purchase transactions: 400 shares at $2.00, 600 shares at $2.07, 500 shares at $2.05, and 500 shares at $2.65, increasing his direct beneficial ownership from prior holdings to 184,516 shares. The filing also discloses indirect beneficial ownership through a spouse under Rule 23(1). The report includes a standard disclaimer that the reporting person disclaims beneficial ownership of the securities.
Wayne Linsley, a director of Myseum, Inc. (MYSE), was granted options to purchase 5,000 shares of the company's common stock on August 18, 2025. The options have a stated exercise price of $3 and an expiration date of August 18, 2030. According to the filing, the options vest in four equal semiannual installments with the first installment vesting six months after issuance, and the reporting person beneficially owns 5,000 underlying shares following the grant.
Myseum, Inc. (MYSE) reported that director Peter Shelus was granted options to buy 25,000 shares of the company's common stock on 08/18/2025 under the Amended and Restated 2021 Equity Incentive Plan. The options have an exercise price of $3 per share, vest in four equal semiannual installments with the first vesting six months after issuance, and expire on 08/18/2030. Following the grant, the reporting person beneficially owns 25,000 options directly. The Form 4 was signed on 08/19/2025.
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.
Darin Myman, CEO and Director of Myseum, Inc. (MYSE), reported multiple open-market purchases of common stock and a grant of stock options. The Form 4 shows three purchases on August 18, 2025 totaling 6,116 shares acquired at prices of $1.93, $1.9132 and $2.15, bringing his direct beneficial ownership to 182,516 shares after the transactions. On the same date he was granted options to purchase 225,000 shares at an exercise price of $3.00 that vest in four equal semiannual installments beginning six months after issuance and expire August 18, 2030. The filing notes indirect beneficial ownership of shares held by his spouse and includes a disclaimer of beneficial ownership by the reporting person.
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.
Form 8-K filing dated Aug 8 2025 discloses that DatChat, Inc. has filed a Certificate of Amendment with Nevada authorities to change its corporate name to Myseum, Inc.. The amendment was effected on Aug 7 2025 under NRS 78.390(8), therefore no shareholder vote was required.
- Trading symbols: Common stock will switch from DATS to MYSE; Series A warrants from DATSW to MYSEW, both effective at the opening of trading on Aug 11 2025.
- Shareholder impact: Rights, CUSIP numbers (23816M206 for common; 23816M115 for warrants) and warrant exercise terms are unchanged; holders need take no action.
- Disclosure items: Item 5.03 (Charter Amendment), Item 8.01 (press release) and Exhibit Index (3.1 Charter Amendment, 99.1 press release, 104 cover data file).
The filing is an administrative rebranding; it does not contain financial results, guidance or transactional details.