{"schema_version":"secwatch.filing_event.v1","accession":"0001299130-23-000142","form_type":"8-K","ticker":"PACB","cik":"0001299130","company_name":"PACIFIC BIOSCIENCES OF CALIFORNIA, INC.","filed_at":"2023-12-11T23:59:59+00:00","discovered_at":"2026-05-14T18:03:28.559377+00:00","generated_at":"2026-06-07T14:46:00.917741+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Director David Botstein resigns from Pacific Biosciences board effective Dec 7, 2023","bullets":["David Botstein notified the board of his resignation, effective December 7, 2023.","No disagreement existed between Botstein and the company regarding operations, policies, or practices.","Botstein's departure reduces board size; no replacement announced in the filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001299130-23-000142","json":"https://secwatch.observer/filing/0001299130-23-000142.json","markdown":"https://secwatch.observer/filing/0001299130-23-000142.md","text":"https://secwatch.observer/filing/0001299130-23-000142.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1299130/000129913023000142/0001299130-23-000142-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1299130/000129913023000142/pacb-20231207.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T14:46:00.917741+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":"2a352af1c4","claim":"David Botstein resigned as Director at PACIFIC BIOSCIENCES OF CALIFORNIA, INC..","evidence_excerpt":"On December 7, 2023, David Botstein, a member of the board of directors (the “Board”) of Pacific Biosciences of California, Inc. (the “Company”), notified the Company of his resignation from the Board, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1299130/000129913023000142/0001299130-23-000142-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}