{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-027702","form_type":"8-K","ticker":"ADPT","cik":"0001478320","company_name":"Adaptive Biotechnologies Corp","filed_at":"2023-06-13T23:59:59+00:00","discovered_at":"2026-05-14T18:03:38.991879+00:00","generated_at":"2026-06-14T01:58:42.905418+00:00","sec_items":["5.02","5.07"],"event_type":"leadership","sentiment":"negative","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Director Robert Hershberg fails to win majority support at AGM; Leslie Trigg resigns","bullets":["Robert Hershberg received 44.02% for, 55.97% withhold/abstain in Class 1 director election; Katey Owen elected with 76.66%.","Leslie Trigg voluntarily resigned from board effective June 9, 2023; no disagreement with company.","Advisory vote on 2022 NEO compensation passed with 82.68% support.","Ernst & Young ratified as independent auditor for FY2023 with 99.72% shareholder approval."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-027702","json":"https://secwatch.observer/filing/0000950170-23-027702.json","markdown":"https://secwatch.observer/filing/0000950170-23-027702.md","text":"https://secwatch.observer/filing/0000950170-23-027702.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1478320/000095017023027702/0000950170-23-027702-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1478320/000095017023027702/adpt-20230609.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-14T01:58:42.905418+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":"7fa22f2e76","claim":"Leslie Trigg resigned as Director at Adaptive Biotechnologies Corp.","evidence_excerpt":"On June 9, 2023, Adaptive Biotechnologies Corporation (the \" Company \") Board of Directors (the \" Board \") member Leslie Trigg submitted her resignation from the Board.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1478320/000095017023027702/0000950170-23-027702-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"1d3746b82e954deafd0e66b9080509801a8d61f1","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, 2023 at the 2023-06-09 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, 2023 Votes Submitted As % of Proposal Votes Broker Non Vote For 121,162,529 99.72 % 0 Against 200,965 0.16 % Withhold/Abstain 138,671 0.11 %","evidence_source":"SEC 8-K Item 5.07","evidence_url":"https://www.sec.gov/Archives/edgar/data/1478320/000095017023027702/0000950170-23-027702-index.htm","confidence":0.9,"family_label":"Shareholder Votes","details":[{"label":"Proposal","value":"auditor ratification"},{"label":"Outcome","value":"passed"},{"label":"Meeting","value":"2023-06-09"}],"fact_type":"shareholder_vote"},{"claim_id":"27a459923031de4999afc58485f09ba4530b5061","claim":"Adaptive Biotechnologies Corp shareholders approved Election of two Class 1 directors to the Board (Drs. Katey Owen and Robert Hershberg) at the 2023-06-09 meeting.","evidence_excerpt":"Proposal 1: Election of Class 1 Directors Dr. Katey Owen Votes Submitted As % of Proposal Votes Broker Non Vote For 83,072,262 76.66 % 13,147,625 Against - - Withhold/Abstain 25,282,278 23.33 % Dr. Robert Hershberg Votes Submitted As % of Proposal Votes Broker Non Vote For 47,703,083 44.02 % 13,147,625 Against - - Withhold/Abstain 60,651,457 55.97 %","evidence_source":"SEC 8-K Item 5.07","evidence_url":"https://www.sec.gov/Archives/edgar/data/1478320/000095017023027702/0000950170-23-027702-index.htm","confidence":0.9,"family_label":"Shareholder Votes","details":[{"label":"Proposal","value":"director election"},{"label":"Outcome","value":"passed"},{"label":"Meeting","value":"2023-06-09"}],"fact_type":"shareholder_vote"},{"claim_id":"6237ee1314a3fc907a314af25ef781e870bce5e5","claim":"Adaptive Biotechnologies Corp shareholders approved Advisory vote concerning the 2022 compensation of the Company's named executive officers at the 2023-06-09 meeting.","evidence_excerpt":"Proposal 2: Advisory Vote Concerning the 2022 Compensation of the Company's Named Executive Officers Votes Submitted As % of Proposal Votes Broker Non Vote For 89,592,587 82.68 % 13,147,625 Against 17,467,529 16.12 % Withhold/Abstain 1,294,424 1.19 %","evidence_source":"SEC 8-K Item 5.07","evidence_url":"https://www.sec.gov/Archives/edgar/data/1478320/000095017023027702/0000950170-23-027702-index.htm","confidence":0.9,"family_label":"Shareholder Votes","details":[{"label":"Proposal","value":"say on pay"},{"label":"Outcome","value":"passed"},{"label":"Meeting","value":"2023-06-09"}],"fact_type":"shareholder_vote"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}