Myseum.AI, Inc. SEC filings MYSE

Myseum.AI, Inc. has 242 filings in SEC EDGAR's recent list, going back to Jul 28, 2015. Its latest annual report, Form ARS, was filed on Jun 23, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 14, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 23, 2026 (other events). The company's fiscal year ends on December 31.

Myseum.AI, Inc. SEC filings
Form Description Filed Period
8-K Current report
Other events
Sep 23, 2026 Sep 23, 2026
8-K Current report
Material agreement, Other events
Sep 21, 2026 Sep 21, 2026
424B5 Prospectus supplement Sep 21, 2026 —
8-K Current report
Other events
Sep 17, 2026 Sep 16, 2026
25-NSE Delisting notice Aug 14, 2026 —
10-Q Quarterly report Aug 14, 2026 Jun 30, 2026
S-8 Employee stock plan registration Aug 14, 2026 —
8-K Current report
Other events
Aug 12, 2026 Aug 11, 2026
8-K Current report
Officer or director change, Shareholder vote results
Aug 6, 2026 Aug 6, 2026
8-K Current report
Other events
Jul 22, 2026 Jul 22, 2026
ARS Annual report to shareholders Jun 23, 2026 Dec 31, 2025
DEFA14A Additional proxy material Jun 23, 2026 —
DEF 14A Proxy statement Jun 23, 2026 Aug 6, 2026
8-K Current report
Other events
Jun 18, 2026 Jun 16, 2026
PRE 14A Preliminary proxy statement Jun 12, 2026 Jun 12, 2026
8-K Current report
Other events
Jun 11, 2026 Jun 9, 2026
8-K Current report
Other events
May 19, 2026 May 18, 2026
10-Q Quarterly report May 15, 2026 Mar 31, 2026
8-K Current report
Other events
May 14, 2026 May 14, 2026
8-K Current report
Other events
Apr 29, 2026 Apr 28, 2026
8-K Current report
Other events
Apr 28, 2026 Apr 24, 2026
8-K Current report
Officer or director change, Other events
Apr 23, 2026 Apr 17, 2026
424B5 Prospectus supplement Apr 23, 2026 —
8-K Current report
Bylaw or fiscal year change, Other events
Apr 15, 2026 Apr 15, 2026
8-K Current report
Other events
Apr 6, 2026 Apr 1, 2026
10-K Annual report Mar 30, 2026 Dec 31, 2025
8-K Current report
Other events
Mar 19, 2026 Mar 18, 2026
8-K Current report
Other events
Mar 11, 2026 Mar 10, 2026
8-K Current report
Other events
Feb 23, 2026 Feb 19, 2026
8-K Current report
Other events
Feb 13, 2026 Feb 10, 2026
8-K Current report
Material agreement
Feb 6, 2026 Feb 6, 2026
424B5 Prospectus supplement Feb 6, 2026 —
8-K Current report
Other events
Feb 5, 2026 Feb 3, 2026
8-K Current report
Other events
Jan 30, 2026 Jan 28, 2026
8-K Current report
Other events
Jan 13, 2026 Jan 13, 2026
8-K Current report
Other events
Dec 18, 2025 Dec 17, 2025
8-K Current report
Material agreement, Other events
Dec 16, 2025 Dec 11, 2025
8-K Current report
Other events
Dec 4, 2025 Dec 4, 2025
EFFECT Filing Dec 3, 2025 —
CORRESP Letter to the SEC Dec 1, 2025 —
S-3 Shelf registration Nov 26, 2025 —
10-Q Quarterly report Nov 13, 2025 Sep 30, 2025
S-8 Employee stock plan registration Nov 13, 2025 —
8-K Current report
Other events
Nov 4, 2025 Nov 4, 2025
8-K Current report
Other events
Oct 16, 2025 Oct 16, 2025
8-K Current report
Other events
Oct 14, 2025 Oct 13, 2025
8-K Current report
Other events
Oct 8, 2025 Oct 8, 2025
8-K Current report
Other events
Oct 2, 2025 Oct 1, 2025
10-Q Quarterly report Aug 14, 2025 Jun 30, 2025
8-K Current report
Bylaw or fiscal year change, Other events
Aug 8, 2025 Aug 7, 2025
8-K Current report
Officer or director change, Shareholder vote results
Aug 6, 2025 Aug 6, 2025
8-K Current report
Other events
Jul 31, 2025 Jul 28, 2025
8-K Current report
Other events
Jun 20, 2025 Jun 17, 2025
ARS Annual report to shareholders Jun 16, 2025 Dec 31, 2024
DEFA14A Additional proxy material Jun 16, 2025 —
DEF 14A Proxy statement Jun 16, 2025 Aug 6, 2025
8-K/A Amended current report Jun 3, 2025 May 30, 2025
8-K Current report May 29, 2025 May 23, 2025
10-Q Quarterly report May 15, 2025 Mar 31, 2025
8-K Current report
Other events
Apr 21, 2025 Apr 16, 2025
8-K Current report
Other events
Apr 3, 2025 Apr 1, 2025
8-K Current report
Other events
Mar 31, 2025 Mar 25, 2025
10-K Annual report Mar 31, 2025 Dec 31, 2024
8-K Current report
Other events
Feb 13, 2025 Feb 11, 2025
8-K Current report
Material agreement
Feb 10, 2025 Feb 10, 2025
424B5 Prospectus supplement Feb 10, 2025 —
8-K Current report
Material agreement, Other events
Jan 10, 2025 Jan 8, 2025
424B5 Prospectus supplement Jan 8, 2025 —
8-K Current report
Shareholder vote results
Dec 13, 2024 Dec 13, 2024
8-K Current report
Other events
Dec 11, 2024 Dec 10, 2024
10-Q Quarterly report Nov 14, 2024 Sep 30, 2024
8-K Current report
Material agreement
Nov 4, 2024 Oct 29, 2024
DEFA14A Additional proxy material Oct 25, 2024 —
DEF 14A Proxy statement Oct 25, 2024 Oct 24, 2024
8-K Current report
Bylaw or fiscal year change
Oct 24, 2024 Oct 23, 2024
8-K Current report
Material agreement, Other events
Aug 29, 2024 Aug 27, 2024
10-Q Quarterly report Aug 14, 2024 Jun 30, 2024
10-Q Quarterly report May 14, 2024 Mar 31, 2024
10-K Annual report Mar 29, 2024 Dec 31, 2023
8-K Current report
Officer or director change, Other events
Feb 29, 2024 Feb 23, 2024
8-K Current report
Material agreement, Other events
Jan 19, 2024 Jan 16, 2024
424B5 Prospectus supplement Jan 18, 2024 —
424B5 Prospectus supplement Jan 16, 2024 —
8-K Current report
Other events
Jan 16, 2024 Jan 16, 2024
8-K Current report
Bylaw or fiscal year change, Shareholder vote results
Dec 28, 2023 Dec 21, 2023
10-Q Quarterly report Nov 13, 2023 Sep 30, 2023
DEFA14A Additional proxy material Nov 9, 2023 —
ARS Annual report to shareholders Nov 9, 2023 Dec 31, 2022
DEF 14A Proxy statement Nov 9, 2023 Dec 21, 2023
PRE 14A Preliminary proxy statement Oct 27, 2023 Oct 27, 2023
8-K Current report
Other events
Oct 10, 2023 Oct 4, 2023
8-K Current report
Bylaw or fiscal year change, Other events
Sep 19, 2023 Sep 19, 2023
8-K Current report
Regulation FD disclosure
Sep 12, 2023 Sep 11, 2023
8-K Current report
Other events
Sep 7, 2023 Sep 5, 2023
8-K Current report
Other events
Aug 30, 2023 Aug 28, 2023
8-K Current report
Other events
Aug 24, 2023 Aug 23, 2023
8-K Current report
Other events
Aug 17, 2023 Aug 16, 2023
10-Q Quarterly report Aug 14, 2023 Jun 30, 2023
8-K Current report
Other events
Aug 11, 2023 Aug 9, 2023
8-K Current report
Material agreement, Unregistered share sale, Bylaw or fiscal year change
Aug 7, 2023 Aug 4, 2023
DEFA14A Additional proxy material Aug 4, 2023 —
DEF 14A Proxy statement Aug 4, 2023 Sep 15, 2023
PRE 14A Preliminary proxy statement Jul 25, 2023 Jul 25, 2023
8-K Current report
Other events
Jul 19, 2023 Jul 18, 2023
8-K Current report
Other events
Jun 5, 2023 Jun 2, 2023
UPLOAD Letter from the SEC May 19, 2023 —
10-Q Quarterly report May 15, 2023 Mar 31, 2023
8-K Current report
Other events
May 12, 2023 May 11, 2023
CORRESP Letter to the SEC May 12, 2023 —
10-K/A Amended annual report May 12, 2023 Dec 31, 2022
UPLOAD Letter from the SEC May 2, 2023 —
8-K Current report
Listing notice, Auditor change, Regulation FD disclosure
Apr 14, 2023 Apr 13, 2023
10-K Annual report Mar 31, 2023 Dec 31, 2022
8-K Current report
Regulation FD disclosure
Mar 13, 2023 Mar 13, 2023
8-K Current report
Other events
Mar 3, 2023 Feb 28, 2023
8-K Current report
Other events
Jan 19, 2023 Jan 17, 2023
8-K Current report
Other events
Jan 13, 2023 Jan 10, 2023
8-K Current report
Shareholder vote results
Dec 21, 2022 Dec 19, 2022
8-K Current report
Regulation FD disclosure, Other events
Dec 7, 2022 Dec 2, 2022
EFFECT Filing Dec 6, 2022 —
CORRESP Letter to the SEC Dec 2, 2022 —
S-3/A Amendment no. 1 to form s-3 Nov 18, 2022 —
10-Q Quarterly report Nov 14, 2022 Sep 30, 2022
UPLOAD Letter from the SEC Nov 9, 2022 —
DEFA14A Additional proxy material Nov 8, 2022 —
DEF 14A Proxy statement Nov 8, 2022 Dec 19, 2022
S-3 Shelf registration Oct 28, 2022 —
8-K Current report
Bylaw or fiscal year change
Oct 26, 2022 Oct 21, 2022
8-K Current report
Listing notice, Other events
Oct 20, 2022 Oct 14, 2022
8-K Current report
Other events
Aug 26, 2022 Aug 22, 2022
8-K Current report
Other events
Aug 16, 2022 Aug 11, 2022
10-Q Quarterly report Aug 15, 2022 Jun 30, 2022
8-K Current report
Other events
Aug 3, 2022 Aug 1, 2022
8-K Current report
Other events
Jul 28, 2022 Jul 26, 2022
D Filing Jul 13, 2022 —
8-K Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Regulation FD disclosure
Jul 5, 2022 Jun 29, 2022
10-Q Quarterly report May 16, 2022 Mar 31, 2022
8-K Current report May 10, 2022 May 5, 2022
8-K Current report
Other events
May 4, 2022 May 2, 2022
8-K Current report
Other events
May 3, 2022 Apr 29, 2022
8-K Current report
Other events
Apr 27, 2022 Apr 26, 2022
8-K Current report
Other events
Apr 14, 2022 Apr 13, 2022
10-K Annual report Mar 29, 2022 Dec 31, 2021
8-K Current report
Other events
Mar 28, 2022 Mar 28, 2022
8-K Current report
Regulation FD disclosure
Mar 24, 2022 Mar 24, 2022
8-K Current report
Other events
Mar 10, 2022 Mar 9, 2022
8-K Current report
Officer or director change
Feb 16, 2022 Feb 15, 2022
8-K Current report
Officer or director change
Jan 28, 2022 Jan 26, 2022
8-K Current report
Other events
Jan 21, 2022 Jan 20, 2022
8-K Current report
Other events
Jan 19, 2022 Jan 18, 2022
8-K Current report
Officer or director change
Dec 15, 2021 Dec 14, 2021
8-K Current report
Other events
Dec 2, 2021 Nov 30, 2021
10-Q Quarterly report Nov 12, 2021 Sep 30, 2021
8-K Current report
Other events
Oct 29, 2021 Oct 28, 2021
8-K Current report
Other events
Oct 15, 2021 Oct 15, 2021
8-K/A Amended current report
Material agreement
Oct 13, 2021 Oct 7, 2021
8-K Current report
Material agreement
Oct 13, 2021 Oct 7, 2021
8-K Current report
Material agreement, Other events
Sep 24, 2021 Sep 22, 2021
10-Q Quarterly report Sep 24, 2021 Jun 30, 2021
8-K Current report
Officer or director change, Other events
Aug 31, 2021 Aug 26, 2021
424B4 Prospectus Aug 16, 2021 —
EFFECT Filing Aug 12, 2021 —
CERT Filing Aug 12, 2021 —
8-A12B/A Filing Aug 12, 2021 —
S-1/A Amended registration statement Aug 12, 2021 —
CORRESP Letter to the SEC Aug 10, 2021 —
CORRESP Letter to the SEC Aug 10, 2021 —
8-A12B Filing Aug 10, 2021 —
S-1/A Amended registration statement Aug 10, 2021 —
FWP Free writing prospectus Aug 3, 2021 —
S-1/A Amended registration statement Aug 3, 2021 —
FWP Free writing prospectus Jul 9, 2021 —
S-1 Registration statement Jul 2, 2021 —
DRS/A Filing May 14, 2021 —
UPLOAD Letter from the SEC May 3, 2021 —
1-K Filing Apr 27, 2021 Dec 31, 2020
DRS Filing Apr 5, 2021 —
1-SA Filing Oct 26, 2020 Jun 30, 2020
1-K Filing May 6, 2020 Dec 31, 2019
1-U Current report Apr 30, 2020 Apr 29, 2020
1-SA Form 1-sa for period ended june 30, 2019 Sep 30, 2019 Jun 30, 2019
1-K Filing Apr 30, 2019 Dec 31, 2018
1-U Current report Feb 5, 2019 Jan 31, 2019
1-SA Form 1-sa for period ended june 30, 2018 Sep 28, 2018 Jun 30, 2018
1-U Current report Aug 22, 2018 Aug 8, 2018
1-U Current report May 9, 2018 May 3, 2018
1-K Filing Apr 27, 2018 Dec 31, 2017
1-U Current report Mar 15, 2018 Mar 12, 2018
1-U Current report Mar 15, 2018 Jan 25, 2018
D Filing Feb 9, 2018 —
1-SA Semiannual report Sep 29, 2017 Jun 30, 2017
1-K Filing Jul 21, 2017 Dec 31, 2016
QUALIF Filing Feb 2, 2017 —
CORRESP Letter to the SEC Feb 1, 2017 —
1-A/A Filing Jan 31, 2017 —
1-A/A Filing Jan 25, 2017 —
CORRESP Letter to the SEC Jan 12, 2017 —
1-A/A Filing Jan 12, 2017 —
CORRESP Letter to the SEC Dec 7, 2016 —
1-A/A Filing Dec 7, 2016 —

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Telegraph & Other Message Communications (SIC 4822)
Listed as
MYSE (Nasdaq)
Fiscal year ends
December 31
Incorporated in
NV
Headquarters
New Brunswick, NJ
SEC filer status
, Emerging growth company
SEC CIK
1648960
Former names
Myseum, Inc. (until Apr 6, 2026); DatChat, Inc. (until Aug 6, 2025); Dat Chat, Inc (until Dec 7, 2016)

Other Telegraph & Other Message Communications companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.