{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-25-123850","form_type":"8-K","ticker":"PLMK","cik":"0002030482","company_name":"Plum Acquisition Corp, IV","filed_at":"2025-12-19T23:59:59+00:00","discovered_at":"2026-05-14T18:02:41.386707+00:00","generated_at":"2026-05-16T12:39:00.445644+00:00","sec_items":["7.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Plum IV and American Critical Resources sign non-binding LOI for business combination","bullets":["ACR targets up to 100,000 metric tons annual lithium carbonate from Hell's Kitchen project at Salton Sea, CA.","Project expected to deliver 50 MW renewable baseload electricity; over $285M in private investment secured to date.","Definitive Feasibility Study validated by Baker Hughes; Idaho National Laboratory identifies additional critical minerals.","No definitive agreement yet; transaction subject to due diligence, board/shareholder approvals, and regulatory clearances."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-25-123850","json":"https://secwatch.observer/filing/0001213900-25-123850.json","markdown":"https://secwatch.observer/filing/0001213900-25-123850.md","text":"https://secwatch.observer/filing/0001213900-25-123850.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2030482/000121390025123850/0001213900-25-123850-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2030482/000121390025123850/ea0270332-8k425_plum4.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T12:39:00.445644+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"}