{"schema_version":"secwatch.filing_event.v1","accession":"0001564590-21-051572","form_type":"8-K","ticker":"NKTX","cik":"0001787400","company_name":"Nkarta, Inc.","filed_at":"2021-10-22T23:59:59+00:00","discovered_at":"2026-05-14T18:04:14.133960+00:00","generated_at":"2026-06-28T18:51:36.515576+00:00","sec_items":["1.01","2.03","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Nkarta expands headquarters lease by 8,075 sq ft; total space now 42,145 sq ft","bullets":["Leased additional 8,075 rentable sq ft (Suite 104) at 6000 Shoreline Court, South San Francisco.","Total leased premises increases to approximately 42,145 rentable square feet.","Base rent for new space starts at ~$50,469/month, increasing 3.5% annually to ~$62,039.","Tenant receives first two months rent abatement and a $121,125 tenant improvement allowance.","Lease term for expansion runs through January 31, 2029, coterminous with existing lease."],"urls":{"canonical":"https://secwatch.observer/filing/0001564590-21-051572","json":"https://secwatch.observer/filing/0001564590-21-051572.json","markdown":"https://secwatch.observer/filing/0001564590-21-051572.md","text":"https://secwatch.observer/filing/0001564590-21-051572.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1787400/000156459021051572/0001564590-21-051572-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1787400/000156459021051572/nktx-8k_20211021.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T18:51:36.515576+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"}