{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-26-092689","form_type":"8-K/A","ticker":"APM","cik":"0001734005","company_name":"Aptorum Group Ltd","filed_at":"2026-08-21T21:17:44+00:00","discovered_at":"2026-08-21T21:20:00.356919+00:00","generated_at":"2026-08-21T21:20:09.023534+00:00","sec_items":["9.01"],"event_type":"m_and_a","sentiment":"negative","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Niki BioSolutions closes DiamiR merger; acquired firm posts FY2026 net loss and going-concern doubt","bullets":["Merger closed July 20, 2026; DiamiR Biosciences became a wholly-owned subsidiary of Niki BioSolutions (formerly Aptorum Group).","DiamiR FY2026 net loss of $659,936 vs $743,235 in FY2025; revenue grew to $190,355 from $631,729.","Auditor cites significant working capital deficiency and needs to raise funds; going-concern doubt raised.","As of May 31, 2026, DiamiR had cash of $112,690, current assets $345,250 and current liabilities $2,191,803.","DiamiR's outstanding convertible notes are expected to convert to Niki common shares under the merger agreement."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-26-092689","json":"https://secwatch.observer/filing/0001213900-26-092689.json","markdown":"https://secwatch.observer/filing/0001213900-26-092689.md","text":"https://secwatch.observer/filing/0001213900-26-092689.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1734005/000121390026092689/0001213900-26-092689-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1734005/000121390026092689/ea0301803-8ka1_nikibio.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-08-21T21:20:09.023534+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}