{"schema_version":"secwatch.filing_event.v1","accession":"0001829126-23-002832","form_type":"8-K","ticker":"MCAG","cik":"0001859035","company_name":"Mountain Crest Acquisition Corp. V","filed_at":"2023-04-19T23:59:59+00:00","discovered_at":"2026-05-14T18:03:41.319789+00:00","generated_at":"2026-06-16T23:55:04.991213+00:00","sec_items":["1.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"MCAG amends AUM Biosciences merger deal; reduces issued shares to 9,125,538","bullets":["Reduces issued Company Ordinary Shares from 9,841,118 to 9,125,538 as of the Amalgamation Effective Time.","Amends definition of 'Fully-Diluted Company Shares' to include outstanding Company Options.","All other terms of the Business Combination Agreement remain unchanged."],"urls":{"canonical":"https://secwatch.observer/filing/0001829126-23-002832","json":"https://secwatch.observer/filing/0001829126-23-002832.json","markdown":"https://secwatch.observer/filing/0001829126-23-002832.md","text":"https://secwatch.observer/filing/0001829126-23-002832.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1859035/000182912623002832/0001829126-23-002832-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1859035/000182912623002832/mountaincrest5_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-16T23:55:04.991213+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":"74e7eb95cef872c1ab98397e6c6b91f488f513a9","claim":"Mountain Crest Acquisition Corp. V amended Amendment No. 3 to Business Combination Agreement with AUM Biosciences Pte. Ltd., AUM Biosciences Limited, AUM Biosciences Subsidiary Pte. Ltd., and AUM Biosciences Delaware Merger Sub, Inc. (effective 2023-04-19).","evidence_excerpt":"On April 19, 2023, SPAC, the Company, Holdco, Amalgamation Sub, and Merger Sub entered into an Amendment No. 3 to Business Combination Agreement (the “Amendment No. 3”) to ( 1) amend the definition of “Fully-Diluted Company Shares” and (2) update the Company Interests issued and paid-up as of the Amalgamation Effective Time from 9,841,118 Company Ordinary Shares to 9,125,538 Company Ordinary Shares.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1859035/000182912623002832/0001829126-23-002832-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., and AUM Biosciences Delaware Merger Sub, Inc."},{"label":"Effective","value":"2023-04-19"}],"fact_type":"material_agreement"},{"claim_id":"8d42265c45d652bd9f6031f8361ec58c1117db45","claim":"Mountain Crest Acquisition Corp. V entered into Business Combination Agreement with AUM Biosciences Pte. Ltd. (effective 2022-10-19).","evidence_excerpt":"on October 19, 2022, Mountain Crest Acquisition Corp. V, a Delaware corporation (“SPAC”), entered into a Business Combination Agreement (as it may be amended, supplemented or otherwise modified from time to time) (the “Business Combination Agreement”) with AUM Biosciences Pte. Ltd., a private company limited by shares incorporated in Singapore, with company registration number 201810204D (the “Company”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1859035/000182912623002832/0001829126-23-002832-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"merger"},{"label":"Counterparty","value":"AUM Biosciences Pte. Ltd."},{"label":"Effective","value":"2022-10-19"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}