{"schema_version":"secwatch.filing_event.v1","accession":"0001564590-22-009876","form_type":"8-K","ticker":"ADPT","cik":"0001478320","company_name":"Adaptive Biotechnologies Corp","filed_at":"2022-03-11T23:59:59+00:00","discovered_at":"2026-05-14T18:04:06.652808+00:00","generated_at":"2026-06-26T23:34:15.050501+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Adaptive Biotechnologies appoints Tycho Peterson as CFO","bullets":["Appointed Tycho Peterson as CFO effective on or before June 4, 2022; will serve as principal financial officer.","Annual salary of $425,000, plus annual incentive opportunity of 50% of salary, prorated for 2022.","Equity grants: 374,688 RSUs (4-yr vest) and 597,157 stock options (4-yr vest).","Previously Managing Director at J.P. Morgan; holds MBA from Oxford and BA from Cornell."],"urls":{"canonical":"https://secwatch.observer/filing/0001564590-22-009876","json":"https://secwatch.observer/filing/0001564590-22-009876.json","markdown":"https://secwatch.observer/filing/0001564590-22-009876.md","text":"https://secwatch.observer/filing/0001564590-22-009876.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1478320/000156459022009876/0001564590-22-009876-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1478320/000156459022009876/adpt-8k_20220309.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-26T23:34:15.050501+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":"386da7faee","claim":"Tycho Peterson was appointed as Chief Financial Officer at Adaptive Biotechnologies Corp.","evidence_excerpt":"On March 9, 2022, the Board of Directors of Adaptive Biotechnologies Corporation (the “ Company ”) appointed Tycho Peterson as Chief Financial Officer of the Company, effective upon his start date, no later than June 4, 2022 (the “ Effective Date ”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1478320/000156459022009876/0001564590-22-009876-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Financial Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}