{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-217333","form_type":"8-K","ticker":"IONS","cik":"0000874015","company_name":"IONIS PHARMACEUTICALS INC","filed_at":"2024-09-12T23:59:59+00:00","discovered_at":"2026-05-14T18:03:16.103304+00:00","generated_at":"2026-05-31T05:22:18.778248+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Ionis raises ~$500M in public offering of 11.5M shares at $43.50/share","bullets":["Sold 11.5M shares of common stock at $43.50 per share; gross proceeds ~$500.3M.","Underwriters have 30-day option to purchase up to an additional 1.725M shares.","Offering closed September 11, 2024; lead underwriters Morgan Stanley and Goldman Sachs.","Proceeds not specified; offering conducted under existing shelf registration."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-217333","json":"https://secwatch.observer/filing/0001193125-24-217333.json","markdown":"https://secwatch.observer/filing/0001193125-24-217333.md","text":"https://secwatch.observer/filing/0001193125-24-217333.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/874015/000119312524217333/0001193125-24-217333-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/874015/000119312524217333/d865048d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T05:22:18.778248+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"}