{"schema_version":"secwatch.filing_event.v1","accession":"0001929980-25-000400","form_type":"8-K","ticker":"HSPT","cik":"0002032950","company_name":"Horizon Space Acquisition II Corp.","filed_at":"2025-05-12T23:59:59+00:00","discovered_at":"2026-05-14T18:02:50.714033+00:00","generated_at":"2026-05-22T00:45:56.416661+00:00","sec_items":["1.01","7.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Horizon Space Acquisition II SPAC to merge with SL Bio at $5.568B enterprise value","bullets":["SL Bio develops cellular and gene therapies; will become wholly owned sub of PubCo via two-step merger.","SPAC shareholders to receive one PubCo ordinary share per share; SL Bio holders get shares based on $5.568B / $10.00 ratio.","Transactions require approvals from both companies' shareholders, Nasdaq listing, and regulatory clearances.","Sponsor and certain SL Bio shareholders enter lock-up; shares restricted until 150 days post-close or $12.00 trigger.","Sponsor support agreement ensures voting in favor; shareholder support agreement covers key SL Bio holders."],"urls":{"canonical":"https://secwatch.observer/filing/0001929980-25-000400","json":"https://secwatch.observer/filing/0001929980-25-000400.json","markdown":"https://secwatch.observer/filing/0001929980-25-000400.md","text":"https://secwatch.observer/filing/0001929980-25-000400.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2032950/000192998025000400/0001929980-25-000400-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2032950/000192998025000400/hspt_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-22T00:45:56.416661+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"}