{"schema_version":"secwatch.filing_event.v1","accession":"0001503802-26-000011","form_type":"8-K","ticker":"KPTI","cik":"0001503802","company_name":"Karyopharm Therapeutics Inc.","filed_at":"2026-03-27T23:59:59+00:00","discovered_at":"2026-05-14T18:02:35.250274+00:00","generated_at":"2026-05-15T08:36:42.443110+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Karyopharm raises ~$50M via private placement and ATM; cash runway into late Q3 2026","bullets":["Private placement with RA Capital Management closed March 26: 1.03M shares at $6.785, pre-funded warrants for 3.39M shares, and warrants for 4.42M shares at $10.00 exercise.","Gross proceeds from private placement ~$30M; net proceeds from ATM sales of 2.99M shares ~$19.8M.","Post-transaction shares outstanding 22.54M plus pre-funded warrants for 4.01M shares.","Management expects existing liquidity, net product revenue, and license revenue to fund operations into late Q3 2026."],"urls":{"canonical":"https://secwatch.observer/filing/0001503802-26-000011","json":"https://secwatch.observer/filing/0001503802-26-000011.json","markdown":"https://secwatch.observer/filing/0001503802-26-000011.md","text":"https://secwatch.observer/filing/0001503802-26-000011.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1503802/000150380226000011/0001503802-26-000011-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1503802/000150380226000011/kpti-20260327.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T08:36:42.443110+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"}