{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-26-017917","form_type":"8-K","ticker":"HACQ","cik":"0002089982","company_name":"HCM IV Acquisition Corp.","filed_at":"2026-02-18T23:59:59+00:00","discovered_at":"2026-05-14T18:02:37.238039+00:00","generated_at":"2026-05-16T02:12:01.073252+00:00","sec_items":["1.01","3.02","5.03","8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"HCM IV Acquisition Corp closes $287.5M SPAC IPO; full over-allotment exercise","bullets":["IPO of 28,750,000 units at $10.00/unit; gross proceeds $287.5M (includes 3.75M units from full over-allotment).","Private placement of 4,666,667 warrants to sponsor and underwriter at $1.50/warrant, raising $7.0M.","$287.5M placed in trust account; held until business combination or redemption within 24 months.","SPAC to focus on disruptive technology/innovations in financial services industry.","Leadership: Shawn Matthews (CEO), Steven Bischoff (CFO), Shawn Matthews Jr. (President)."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-26-017917","json":"https://secwatch.observer/filing/0001213900-26-017917.json","markdown":"https://secwatch.observer/filing/0001213900-26-017917.md","text":"https://secwatch.observer/filing/0001213900-26-017917.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2089982/000121390026017917/0001213900-26-017917-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2089982/000121390026017917/ea0276892-8k_hcm4.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T02:12:01.073252+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":"564c40c61d5bbb78cf39a87a368b36db718c77ee","claim":"HCM IV Acquisition Corp. entered into Underwriter Warrant Purchase Agreement with Cantor Fitzgerald & Co. (effective 2026-02-11).","evidence_excerpt":"A Private Placement Warrants Purchase Agreement, dated February 11, 2026 (the “ Underwriter Warrant Purchase Agreement ,” and together with the Sponsor Warrant Purchase Agreement, the “ Warrant Purchase Agreements ”), by and between the Company and the Underwriter, a copy of which is attached as Exhibit 10.3(b) hereto and incorporated herein by reference.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/2089982/000121390026017917/0001213900-26-017917-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"equity purchase"},{"label":"Counterparty","value":"Cantor Fitzgerald & Co."},{"label":"Effective","value":"2026-02-11"}],"fact_type":"material_agreement"},{"claim_id":"6e1184b7e4ed7f8006b09f3f0983d3c0b3891cb4","claim":"HCM IV Acquisition Corp. entered into Warrant Agreement with Continental Stock Transfer & Trust Company (effective 2026-02-11).","evidence_excerpt":"A Warrant Agreement, dated February 11, 2026, by and between the Company and Continental Stock Transfer & Trust Company, as warrant agent, a copy of which is attached as Exhibit 4.1 hereto and incorporated herein by reference.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/2089982/000121390026017917/0001213900-26-017917-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Counterparty","value":"Continental Stock Transfer & Trust Company"},{"label":"Effective","value":"2026-02-11"}],"fact_type":"material_agreement"},{"claim_id":"7ae0586ea7623761f1b07b379d758df295a9acd3","claim":"HCM IV Acquisition Corp. entered into Sponsor Warrant Purchase Agreement with HCM Investor Holdings IV, LLC (effective 2026-02-11).","evidence_excerpt":"A Private Placement Warrants Purchase Agreement, dated February 11, 2026 (the “ Sponsor Warrant Purchase Agreement ”), by and between the Company and the Sponsor, a copy of which is attached as Exhibit 10.3(a) hereto and incorporated herein by reference.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/2089982/000121390026017917/0001213900-26-017917-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"equity purchase"},{"label":"Counterparty","value":"HCM Investor Holdings IV, LLC"},{"label":"Effective","value":"2026-02-11"}],"fact_type":"material_agreement"},{"claim_id":"86c764ef022d93059a3e38d87ab0fbd5da7d5988","claim":"HCM IV Acquisition Corp. entered into Registration Rights Agreement with HCM Investor Holdings IV, LLC and Cantor Fitzgerald & Co. (effective 2026-02-11).","evidence_excerpt":"A Registration Rights Agreement, dated February 11, 2026, by and among the Company, the Company’s sponsor, HCM Investor Holdings IV, LLC (the “ Sponsor ”) and the Underwriter, a copy of which is attached as Exhibit 10.2 hereto and incorporated herein by reference.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/2089982/000121390026017917/0001213900-26-017917-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Counterparty","value":"HCM Investor Holdings IV, LLC and Cantor Fitzgerald & Co."},{"label":"Effective","value":"2026-02-11"}],"fact_type":"material_agreement"},{"claim_id":"ffd29850b39963d9b8986cc1e48344cd79029034","claim":"HCM IV Acquisition Corp. entered into Underwriting Agreement with Cantor Fitzgerald & Co. (effective 2026-02-11).","evidence_excerpt":"An Underwriting Agreement, dated February 11, 2026, by and among the Company, Cantor Fitzgerald & Co. (the “ Underwriter ”), a copy of which is attached as Exhibit 1.1 hereto and incorporated herein by reference.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/2089982/000121390026017917/0001213900-26-017917-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"underwriting"},{"label":"Counterparty","value":"Cantor Fitzgerald & Co."},{"label":"Effective","value":"2026-02-11"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}