{"cik":1648960,"company":{"entity_status":null,"filings":[{"accession":"0001213900-26-102642","document":"ea0306471-8k_myseum.htm","filed":"2026-09-23","form":"8-K","items":"8.01,9.01","report_date":"2026-09-23"},{"accession":"0001213900-26-101814","document":"ea0305991-8k_myseum.htm","filed":"2026-09-21","form":"8-K","items":"1.01,8.01,9.01","report_date":"2026-09-21"},{"accession":"0001213900-26-100979","document":"ea0305889-8k_myseum.htm","filed":"2026-09-17","form":"8-K","items":"8.01,9.01","report_date":"2026-09-16"},{"accession":"0001213900-26-090015","document":"ea0301440-10q_myseum.htm","filed":"2026-08-14","form":"10-Q","items":"","report_date":"2026-06-30"},{"accession":"0001213900-26-088393","document":"ea0301665-8k_myseum.htm","filed":"2026-08-12","form":"8-K","items":"8.01,9.01","report_date":"2026-08-11"},{"accession":"0001213900-26-086152","document":"ea0300914-8k_myseum.htm","filed":"2026-08-06","form":"8-K","items":"5.02,5.07,9.01","report_date":"2026-08-06"},{"accession":"0001213900-26-080405","document":"ea0298940-8k_myseum.htm","filed":"2026-07-22","form":"8-K","items":"8.01,9.01","report_date":"2026-07-22"},{"accession":"0001213900-26-071100","document":"ea0295392-01.htm","filed":"2026-06-23","form":"DEF 14A","items":"","report_date":"2026-08-06"},{"accession":"0001213900-26-069795","document":"ea0295216-8k_myseum.htm","filed":"2026-06-18","form":"8-K","items":"8.01,9.01","report_date":"2026-06-16"},{"accession":"0001213900-26-067472","document":"ea0294315-8k_myseum.htm","filed":"2026-06-11","form":"8-K","items":"8.01,9.01","report_date":"2026-06-09"},{"accession":"0001213900-26-058638","document":"ea0291395-8k_myseum.htm","filed":"2026-05-19","form":"8-K","items":"8.01,9.01","report_date":"2026-05-18"},{"accession":"0001213900-26-057778","document":"ea0290203-10q_myseum.htm","filed":"2026-05-15","form":"10-Q","items":"","report_date":"2026-03-31"},{"accession":"0001213900-26-056215","document":"ea0290746-8k_myseum.htm","filed":"2026-05-14","form":"8-K","items":"8.01,9.01","report_date":"2026-05-14"},{"accession":"0001213900-26-049332","document":"ea0288338-8k_myseum.htm","filed":"2026-04-29","form":"8-K","items":"8.01,9.01","report_date":"2026-04-28"},{"accession":"0001213900-26-048582","document":"ea0288081-8k_myseum.htm","filed":"2026-04-28","form":"8-K","items":"8.01,9.01","report_date":"2026-04-24"},{"accession":"0001213900-26-047136","document":"ea0287513-8k_myseum.htm","filed":"2026-04-23","form":"8-K","items":"5.02,8.01,9.01","report_date":"2026-04-17"},{"accession":"0001213900-26-044128","document":"ea0286538-8k_myseum.htm","filed":"2026-04-15","form":"8-K","items":"5.03,8.01,9.01","report_date":"2026-04-15"},{"accession":"0001213900-26-040492","document":"ea0285270-8k_myseum.htm","filed":"2026-04-06","form":"8-K","items":"8.01,9.01","report_date":"2026-04-01"},{"accession":"0001213900-26-036485","document":"ea0283148-10k_myseum.htm","filed":"2026-03-30","form":"10-K","items":"","report_date":"2025-12-31"},{"accession":"0001213900-26-031856","document":"ea0282681-8k_myseum.htm","filed":"2026-03-19","form":"8-K","items":"8.01,9.01","report_date":"2026-03-18"},{"accession":"0001213900-26-026182","document":"ea0281092-8k_myseum.htm","filed":"2026-03-11","form":"8-K","items":"8.01,9.01","report_date":"2026-03-10"},{"accession":"0001213900-26-019357","document":"ea0278045-8k_myseum.htm","filed":"2026-02-23","form":"8-K","items":"8.01,9.01","report_date":"2026-02-19"},{"accession":"0001213900-26-016420","document":"ea0277102-8k_myseum.htm","filed":"2026-02-13","form":"8-K","items":"8.01,9.01","report_date":"2026-02-10"},{"accession":"0001213900-26-013345","document":"ea0275894-8k_myseum.htm","filed":"2026-02-06","form":"8-K","items":"1.01,9.01","report_date":"2026-02-06"},{"accession":"0001213900-26-012400","document":"ea0275674-8k_myseum.htm","filed":"2026-02-05","form":"8-K","items":"8.01,9.01","report_date":"2026-02-03"},{"accession":"0001213900-26-009816","document":"ea0274756-8k_myseum.htm","filed":"2026-01-30","form":"8-K","items":"8.01,9.01","report_date":"2026-01-28"},{"accession":"0001213900-26-003936","document":"ea0272776-8k_myseum.htm","filed":"2026-01-13","form":"8-K","items":"8.01,9.01","report_date":"2026-01-13"},{"accession":"0001213900-25-123053","document":"ea0270176-8k_myseum.htm","filed":"2025-12-18","form":"8-K","items":"8.01,9.01","report_date":"2025-12-17"},{"accession":"0001213900-25-121825","document":"ea0269588-8k_myseum.htm","filed":"2025-12-16","form":"8-K","items":"1.01,8.01,9.01","report_date":"2025-12-11"},{"accession":"0001213900-25-118377","document":"ea0268589-8k_myseum.htm","filed":"2025-12-04","form":"8-K","items":"8.01,9.01","report_date":"2025-12-04"},{"accession":"0001213900-25-110045","document":"ea0264692-10q_myseum.htm","filed":"2025-11-13","form":"10-Q","items":"","report_date":"2025-09-30"},{"accession":"0001213900-25-105543","document":"ea0263742-8k_myseum.htm","filed":"2025-11-04","form":"8-K","items":"8.01,9.01","report_date":"2025-11-04"},{"accession":"0001213900-25-089528","document":"xslF345X05/ownership.xml","filed":"2025-09-19","form":"4","items":"","report_date":"2025-09-19"},{"accession":"0001213900-25-084207","document":"xslF345X05/ownership.xml","filed":"2025-09-03","form":"4","items":"","report_date":"2025-09-03"},{"accession":"0001213900-25-083530","document":"xslF345X05/ownership.xml","filed":"2025-09-02","form":"4","items":"","report_date":"2025-09-02"},{"accession":"0001213900-25-081924","document":"xslF345X05/ownership.xml","filed":"2025-08-28","form":"4","items":"","report_date":"2025-08-28"},{"accession":"0001213900-25-078524","document":"xslF345X05/ownership.xml","filed":"2025-08-19","form":"4","items":"","report_date":"2025-08-18"},{"accession":"0001213900-25-078523","document":"xslF345X05/ownership.xml","filed":"2025-08-19","form":"4","items":"","report_date":"2025-08-18"},{"accession":"0001213900-25-078522","document":"xslF345X05/ownership.xml","filed":"2025-08-19","form":"4","items":"","report_date":"2025-08-18"},{"accession":"0001213900-25-078520","document":"xslF345X05/ownership.xml","filed":"2025-08-19","form":"4","items":"","report_date":"2025-08-18"}],"former_names":[{"from":"2025-08-08T04:00:00.000Z","name":"Myseum, Inc.","to":"2026-04-06T04:00:00.000Z"},{"from":"2016-10-17T04:00:00.000Z","name":"DatChat, Inc.","to":"2025-08-06T04:00:00.000Z"},{"from":"2015-07-28T04:00:00.000Z","name":"Dat Chat, Inc","to":"2016-12-07T05:00:00.000Z"}],"gleif_parents":[],"headquarters":[],"insiders":[],"legal_name":null,"lei":null,"lei_status":null,"lei_updated_at":null,"names":[],"parent_exceptions":[],"parents":[],"wikidata_id":null},"research_built_at":"2026-10-23T06:11:20.354311+00:00","reviewed_events":[],"reviewed_events_coverage":"selective; not a complete event history; accounting series not reconciled","sources":[{"coverage":"8022 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer","id":"sec","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC submissions","retrieved_at":"2026-10-23T06:12:00.336203+00:00","status":"ok","url":"https://www.sec.gov/search-filings/edgar-application-programming-interfaces"},{"coverage":"1658 unambiguous CIK-linked entities; coverage is incomplete","id":"wikidata","license":"CC0-1.0","license_url":"https://www.wikidata.org/wiki/Wikidata:Licensing","name":"Wikidata structured data","retrieved_at":"2026-10-23T06:12:25.714432+00:00","status":"ok","url":"https://www.wikidata.org/"},{"coverage":"1197 checked identities; 0 unavailable records","id":"gleif","license":"CC0-1.0","license_url":"https://www.gleif.org/en/meta/lei-data-terms-of-use","name":"GLEIF legal entity reference data","retrieved_at":"2026-10-23T06:14:03.968440+00:00","status":"ok","url":"https://www.gleif.org/en/lei-data/gleif-api"},{"coverage":"4 selected series; gaps remain missing","id":"fed","license":"Public domain (selected government series)","license_url":"https://www.federalreserve.gov/disclaimer.htm","name":"Federal Reserve Board H.15","retrieved_at":"2026-10-23T06:27:13.562713+00:00","status":"ok","url":"https://www.federalreserve.gov/releases/h15/"},{"coverage":"9 selected series; gaps remain missing","id":"bls","license":"Public domain","license_url":"https://www.bls.gov/opub/copyright-information.htm","name":"Bureau of Labor Statistics","retrieved_at":"2026-10-23T06:27:14.878114+00:00","status":"ok","url":"https://www.bls.gov/developers/"},{"coverage":"2026 Q3: filings in this completed quarter; not a live transaction feed","id":"insiders","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC insider transactions","retrieved_at":"2026-10-23T06:12:21.860189+00:00","status":"ok","url":"https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets"}]}