{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-232562","form_type":"8-K","ticker":"JBIO","cik":"0001798749","company_name":"Jade Biosciences, Inc.","filed_at":"2025-10-07T23:59:59+00:00","discovered_at":"2026-05-14T18:02:40.492320+00:00","generated_at":"2026-05-17T04:28:32.669593+00:00","sec_items":["1.01","3.02","7.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Jade Biosciences raises $135M in PIPE; unveils BAFF-R candidate JADE201","bullets":["Private placement raises ~$135M gross via 13.37M shares at $9.14 and pre-funded warrants; close expected Oct 8, 2025.","Pro forma shares outstanding ~67.4M; cash runway extended into first half 2028.","Licenses BAFF-R antibodies from Paragon Therapeutics; up to $22M in milestones plus low-to-mid-single-digit royalties.","JADE201 is a half-life extended afucosylated anti-BAFF-R mAb; Phase 1 in rheumatoid arthritis expected H1 2026.","NHP data shows ~2-fold half-life increase vs ianalumab and sustained B-cell depletion after single SC dose."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-232562","json":"https://secwatch.observer/filing/0001193125-25-232562.json","markdown":"https://secwatch.observer/filing/0001193125-25-232562.md","text":"https://secwatch.observer/filing/0001193125-25-232562.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1798749/000119312525232562/0001193125-25-232562-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1798749/000119312525232562/d58004d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T04:28:32.669593+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"}