{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-26-026265","form_type":"8-K","ticker":"PLMK","cik":"0002030482","company_name":"Plum Acquisition Corp, IV","filed_at":"2026-03-12T23:59:59+00:00","discovered_at":"2026-05-14T18:02:37.043786+00:00","generated_at":"2026-05-15T14:03:44.703936+00:00","sec_items":["1.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.9,"calibrated_materiality_score":0.9,"confidence":"high","headline":"Plum IV SPAC signs business combination agreement with Controlled Thermal Resources","bullets":["Sponsor must fund at least $15M in PIPE investment; $10M bridge note also required prior to close.","Up to 100M earnout shares issuable in tranches if stock price reaches $12.50 to $30.00 over 10 years.","Up to 2M non-redemption shares to be issued to holders who agree not to redeem their SPAC shares.","Post-closing board: 4 directors from Controlled Thermal, 1 from Plum IV; stock to list on Nasdaq.","Controlled Thermal Resources will survive as the combined company; SPAC will domesticate to Delaware."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-26-026265","json":"https://secwatch.observer/filing/0001213900-26-026265.json","markdown":"https://secwatch.observer/filing/0001213900-26-026265.md","text":"https://secwatch.observer/filing/0001213900-26-026265.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2030482/000121390026026265/0001213900-26-026265-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2030482/000121390026026265/ea0280770-8k425_plum4.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T14:03:44.703936+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":"f66282b815d2276522489b609e3ab15fdb64f238","claim":"Plum Acquisition Corp, IV entered into Business Combination Agreement with Controlled Thermal Resources Holdings Inc. (effective 2026-03-08).","evidence_excerpt":"entered into a Business Combination Agreement (the “ Business Combination Agreement ”), by and among Plum IV, Plum IV Merger Sub, Inc., a Delaware corporation and a direct wholly owned subsidiary of Plum IV (“ Merger Sub ”), and Controlled Thermal Resources Holdings Inc., a Delaware corporation (the “ Company ”)","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/2030482/000121390026026265/0001213900-26-026265-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"merger"},{"label":"Counterparty","value":"Controlled Thermal Resources Holdings Inc."},{"label":"Effective","value":"2026-03-08"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}