{"schema_version":"secwatch.filing_event.v1","accession":"0001411690-26-000036","form_type":"8-K","ticker":"BNGO","cik":"0001411690","company_name":"Bionano Genomics, Inc.","filed_at":"2026-06-05T20:00:16+00:00","discovered_at":"2026-06-05T20:01:00.408698+00:00","generated_at":"2026-06-05T20:01:52.426858+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"negative","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Bionano Genomics CMO Alka Chaubey resigns effective July 5, 2026","bullets":["Alka Chaubey, Ph.D. resigned as Chief Medical Officer on June 2, 2026.","Her resignation becomes effective July 5, 2026.","No replacement or reason for departure was disclosed in the filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001411690-26-000036","json":"https://secwatch.observer/filing/0001411690-26-000036.json","markdown":"https://secwatch.observer/filing/0001411690-26-000036.md","text":"https://secwatch.observer/filing/0001411690-26-000036.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1411690/000141169026000036/0001411690-26-000036-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1411690/000141169026000036/bngo-20260602.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-05T20:01:52.426858+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":"4196f24e15","claim":"Alka Chaubey resigned as Chief Medical Officer at Bionano Genomics, Inc..","evidence_excerpt":"On June 2, 2026, Alka Chaubey, Ph.D. resigned as Chief Medical Officer of Bionano Genomics, Inc. (the “Company”) effective July 5, 2026.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1411690/000141169026000036/0001411690-26-000036-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chief Medical Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}