{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-25-062955","form_type":"8-K","ticker":"BBOT","cik":"0001869105","company_name":"BridgeBio Oncology Therapeutics, Inc.","filed_at":"2025-07-11T23:59:59+00:00","discovered_at":"2026-05-14T18:02:45.461214+00:00","generated_at":"2026-05-18T06:59:15.459062+00:00","sec_items":["7.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"BridgeBio Oncology SPAC merger S-4 effective; shareholder vote set for Aug 4, 2025","bullets":["SEC declared Registration Statement on Form S-4 effective for Helix/BBOT business combination.","Extraordinary General Meeting of Helix shareholders scheduled for August 4, 2025.","Record date for shareholders entitled to vote is June 30, 2025.","Business combination expected to close in August 2025, subject to conditions.","Post-close company will be renamed BridgeBio Oncology Therapeutics."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-25-062955","json":"https://secwatch.observer/filing/0001213900-25-062955.json","markdown":"https://secwatch.observer/filing/0001213900-25-062955.md","text":"https://secwatch.observer/filing/0001213900-25-062955.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1869105/000121390025062955/0001213900-25-062955-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1869105/000121390025062955/ea0248655-8k425_helix2.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T06:59:15.459062+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"}