{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-064524","form_type":"8-K","ticker":"PSNL","cik":"0001527753","company_name":"Personalis, Inc.","filed_at":"2023-03-08T23:59:59+00:00","discovered_at":"2026-05-14T18:03:45.397175+00:00","generated_at":"2026-06-18T08:28:01.608210+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Personalis appoints Christopher Hall as CEO, Aaron Tachibana as COO, Richard Chen as EVP R&D","bullets":["Aaron Tachibana appointed COO (also CFO); $515k salary, 60% bonus, option for 450k shares vesting 36 months.","Christopher Hall appointed CEO (also President); $550k salary, 80% bonus, option for 400k shares vesting 36 months.","Richard Chen promoted to EVP R&D (also CMO); $500k salary, 60% bonus, option for 250k shares vesting 36 months.","Hall appointed Class II director, term until 2024 annual meeting.","Severance: Tachibana/Chen get 9/12 months base salary; Hall gets 12 months base on non-CIC/CIC termination."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-064524","json":"https://secwatch.observer/filing/0001193125-23-064524.json","markdown":"https://secwatch.observer/filing/0001193125-23-064524.md","text":"https://secwatch.observer/filing/0001193125-23-064524.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1527753/000119312523064524/0001193125-23-064524-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1527753/000119312523064524/d285289d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-18T08:28:01.608210+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":"8153c1ead4","claim":"Aaron Tachibana was appointed as Chief Operating Officer at Personalis, Inc..","evidence_excerpt":"appointed (i) Aaron Tachibana as Chief Operating Officer, in addition to his role as Chief Financial Officer","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1527753/000119312523064524/0001193125-23-064524-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"},{"claim_id":"febc0ef6e9","claim":"Christopher Hall was appointed as Director at Personalis, Inc..","evidence_excerpt":"The Board also appointed Mr. Hall as a member of the Board as a Class II director.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1527753/000119312523064524/0001193125-23-064524-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"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"}