{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-010937","form_type":"8-K","ticker":"NKTX","cik":"0001787400","company_name":"Nkarta, Inc.","filed_at":"2023-03-30T23:59:59+00:00","discovered_at":"2026-05-14T18:03:46.546759+00:00","generated_at":"2026-06-17T09:31:47.591308+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Nkarta CFO Nadir Mahmood resigns effective June 30, 2023; clinical timelines reaffirmed","bullets":["CFO Nadir Mahmood resigns to become CEO of a private biotech; effective June 30, 2023.","Nkarta initiates external search for new CFO.","NKX101 clinical update on track for Q2 2023; NKX019 update expected in full year 2023.","Mahmood will remain until June 30 to ensure smooth transition."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-010937","json":"https://secwatch.observer/filing/0000950170-23-010937.json","markdown":"https://secwatch.observer/filing/0000950170-23-010937.md","text":"https://secwatch.observer/filing/0000950170-23-010937.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1787400/000095017023010937/0000950170-23-010937-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1787400/000095017023010937/nktx-20230328.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T09:31:47.591308+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":[{"claim_id":"3bbf22f9d0","claim":"Nadir Mahmood resigned as Chief Financial and Business Officer at Nkarta, Inc..","evidence_excerpt":"Dr. Nadir Mahmood notified Nkarta, Inc. (the “Company”) of his decision to resign as Chief Financial and Business Officer of the Company to take a position as chief executive officer of a private biotechnology company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1787400/000095017023010937/0000950170-23-010937-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chief Financial and Business Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}