{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-004240","form_type":"8-K","ticker":"DTIL","cik":"0001357874","company_name":"PRECISION BIOSCIENCES INC","filed_at":"2023-02-24T23:59:59+00:00","discovered_at":"2026-05-14T18:03:44.602917+00:00","generated_at":"2026-06-19T00:36:51.350205+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Precision BioSciences promotes Neil Leatherbury to SVP CMC; co-founder Derek Jantz moves to advisory role","bullets":["Neil Leatherbury promoted to SVP, Head of CMC, reporting to CEO Michael Amoroso.","Co-founder Derek Jantz steps down as CSO, becomes Co-Founder and Chief Science Advisor.","Co-founder Jeff Smith continues as Chief Research Officer, now leads joint steering committees with Lilly and Novartis.","CMC promotion follows FDA Type C feedback on azer-cel manufacturing processes."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-004240","json":"https://secwatch.observer/filing/0000950170-23-004240.json","markdown":"https://secwatch.observer/filing/0000950170-23-004240.md","text":"https://secwatch.observer/filing/0000950170-23-004240.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1357874/000095017023004240/0000950170-23-004240-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1357874/000095017023004240/dtil-20230222.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-19T00:36:51.350205+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":"153a765f53","claim":"Derek Jantz changed role as Co-Founder and Chief Science Advisor at PRECISION BIOSCIENCES INC.","evidence_excerpt":"On February 22, 2023, Derek Jantz, Ph.D. notified Precision BioSciences, Inc. (the “Company” or “Precision”) of his intentions to gradually step away from his current day-to-day responsibilities at Precision to pursue other personal and professional interests while continuing to support the Company’s external relationships, including with existing and potential business development partners.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1357874/000095017023004240/0000950170-23-004240-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"stepped down"},{"label":"Role","value":"Co-Founder and Chief Science Advisor"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}