{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-25-073326","form_type":"8-K","ticker":"MYSE","cik":"0001648960","company_name":"Myseum.AI, Inc.","filed_at":"2025-08-08T23:59:59+00:00","discovered_at":"2026-05-14T18:02:44.559655+00:00","generated_at":"2026-05-17T16:38:00.348008+00:00","sec_items":["5.03","8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"DatChat rebrands to Myseum, Inc.; ticker changes to MYSE and MYSEW on August 11","bullets":["Company renamed from DatChat, Inc. to Myseum, Inc. effective August 7, 2025 via Nevada certificate of amendment.","Common stock and Series A warrants will trade as MYSE and MYSEW on Nasdaq starting August 11, 2025.","No shareholder vote required; stockholder rights and CUSIP numbers unchanged.","Rebranding reflects strategic focus on Myseum social media platform; upcoming platform upgrade planned for fall."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-25-073326","json":"https://secwatch.observer/filing/0001213900-25-073326.json","markdown":"https://secwatch.observer/filing/0001213900-25-073326.md","text":"https://secwatch.observer/filing/0001213900-25-073326.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1648960/000121390025073326/0001213900-25-073326-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1648960/000121390025073326/ea0252089-8k_myseum.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T16:38:00.348008+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"857703c451ce4c23744b6b32ddb3facf28e03c31","claim":"Myseum.AI, Inc.: Company changed name from DatChat, Inc. to Myseum, Inc (effective 2025-08-07).","evidence_excerpt":"On August 7, 2025, Myseum, Inc. (formerly, DatChat, Inc.) (the “Company”) filed a Certificate of Amendment to its Amended and Restated Articles of Incorporation (the “Charter Amendment”) with the Secretary of State of the State of Nevada to change the name of the Company to “Myseum, Inc.”","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1648960/000121390025073326/0001213900-25-073326-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"charter amendment"},{"label":"Effective","value":"2025-08-07"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}