{"schema_version":"secwatch.filing_event.v1","accession":"0001829126-23-001150","form_type":"8-K","ticker":"MCAG","cik":"0001859035","company_name":"Mountain Crest Acquisition Corp. V","filed_at":"2023-01-30T23:59:59+00:00","discovered_at":"2026-05-14T18:03:47.213551+00:00","generated_at":"2026-06-20T06:48:20.087153+00:00","sec_items":["1.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"MCAG adds newly formed entities as parties to AUM Biosciences merger agreement","bullets":["Joinder Agreement dated Jan 27, 2023 admits Holdco (AUM Biosciences Limited), Amalgamation Sub, and Merger Sub to the Oct 19, 2022 Business Combination Agreement.","Holdco will become the publicly traded holding company; Amalgamation Sub will merge into AUM Biosciences; Merger Sub will merge into SPAC.","No changes to transaction terms, consideration, or closing conditions were disclosed in the joinder.","All newly formed entities are wholly-owned subsidiaries of Holdco."],"urls":{"canonical":"https://secwatch.observer/filing/0001829126-23-001150","json":"https://secwatch.observer/filing/0001829126-23-001150.json","markdown":"https://secwatch.observer/filing/0001829126-23-001150.md","text":"https://secwatch.observer/filing/0001829126-23-001150.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1859035/000182912623001150/0001829126-23-001150-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1859035/000182912623001150/mountaincrestv_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-20T06:48:20.087153+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":"8b0ab1c4ffe9da89137e48286e245fb327037bec","claim":"Mountain Crest Acquisition Corp. V amended Business Combination Agreement with AUM Biosciences Pte. Ltd., AUM Biosciences Limited, AUM Biosciences Subsidiary Pte. Ltd., AUM Biosciences Delaware Merger Sub, Inc. (effective 2023-01-27).","evidence_excerpt":"On January 27, 2023, SPAC, the Company, AUM Biosciences Limited, AUM Biosciences Subsidiary Pte. Ltd. and AUM Biosciences Delaware Merger Sub, Inc. entered into a joinder agreement to the Business Combination Agreement (the “Joinder Agreement”), that expressly amended and modified the Business Combination Agreement","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1859035/000182912623001150/0001829126-23-001150-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"amendment"},{"label":"Agreement","value":"merger"},{"label":"Counterparty","value":"AUM Biosciences Pte. Ltd., AUM Biosciences Limited, AUM Biosciences Subsidiary Pte. Ltd., AUM Biosciences Delaware Merger Sub, Inc."},{"label":"Effective","value":"2023-01-27"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}