{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-263844","form_type":"8-K","ticker":"ADPT","cik":"0001478320","company_name":"Adaptive Biotechnologies Corp","filed_at":"2026-06-09T20:30:16+00:00","discovered_at":"2026-06-09T20:32:00.252399+00:00","generated_at":"2026-06-09T20:37:33.258042+00:00","sec_items":["5.07"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Adaptive Biotechnologies annual meeting results: directors elected, say-on-pay approved, auditor ratified","bullets":["Robert Hershberg elected Class I director with 71.81% of votes cast; 13.6M broker non-votes.","Katey Owen elected Class I director with 97.72% of votes cast.","Advisory vote on 2025 named executive officer compensation passed with 96.55% approval.","Ratification of Ernst & Young as auditor for FY 2026 approved with 99.50% of votes."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-263844","json":"https://secwatch.observer/filing/0001193125-26-263844.json","markdown":"https://secwatch.observer/filing/0001193125-26-263844.md","text":"https://secwatch.observer/filing/0001193125-26-263844.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1478320/000119312526263844/0001193125-26-263844-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1478320/000119312526263844/adpt-20260605.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-09T20:37:33.258042+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":"1c759368405840a88e0eb0ae0862b4173e629b7b","claim":"Adaptive Biotechnologies Corp shareholders approved Advisory request concerning compensation for the Company's 2025 named executive officers at the 2026-06-05 meeting.","evidence_excerpt":"Proposal 2: an advisory request concerning compensation for the Company's 2025 named executive officers","evidence_source":"SEC 8-K Item 5.07","evidence_url":"https://www.sec.gov/Archives/edgar/data/1478320/000119312526263844/0001193125-26-263844-index.htm","confidence":0.9,"family_label":"Shareholder Votes","details":[{"label":"Proposal","value":"say on pay"},{"label":"Outcome","value":"passed"},{"label":"Meeting","value":"2026-06-05"}],"fact_type":"shareholder_vote"},{"claim_id":"55fd1174b0fff81524bf1130c51d4d2dcc0d6327","claim":"Adaptive Biotechnologies Corp shareholders approved Ratification of Ernst & Young LLP as the Company's independent registered public accounting firm for the year ending December 31, 2026 at the 2026-06-05 meeting.","evidence_excerpt":"Proposal 3: Ramification of Ernst & Young LLP as the Company's Independent Registered Public Accounting Firm for the Year Ending December 31, 2026","evidence_source":"SEC 8-K Item 5.07","evidence_url":"https://www.sec.gov/Archives/edgar/data/1478320/000119312526263844/0001193125-26-263844-index.htm","confidence":0.9,"family_label":"Shareholder Votes","details":[{"label":"Proposal","value":"auditor ratification"},{"label":"Outcome","value":"passed"},{"label":"Meeting","value":"2026-06-05"}],"fact_type":"shareholder_vote"},{"claim_id":"9fd7e6f1f4d6f86644fe6656454474a135c413e8","claim":"Adaptive Biotechnologies Corp shareholders approved Election of two Class I directors to the Board of Directors (Robert Hershberg, PhD, MD and Katey Owen, PhD) at the 2026-06-05 meeting.","evidence_excerpt":"Proposal 1: election of two Class I directors to the Board of Directors (Robert Hershberg, PhD, MD and Katey Owen, PhD)","evidence_source":"SEC 8-K Item 5.07","evidence_url":"https://www.sec.gov/Archives/edgar/data/1478320/000119312526263844/0001193125-26-263844-index.htm","confidence":0.9,"family_label":"Shareholder Votes","details":[{"label":"Proposal","value":"director election"},{"label":"Outcome","value":"passed"},{"label":"Meeting","value":"2026-06-05"}],"fact_type":"shareholder_vote"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}