{"schema_version":"secwatch.filing_event.v1","accession":"0001274737-23-000024","form_type":"8-K","ticker":"XGN","cik":"0001274737","company_name":"EXAGEN INC.","filed_at":"2023-03-23T23:59:59+00:00","discovered_at":"2026-05-14T18:03:44.189013+00:00","generated_at":"2026-06-17T17:38:10.596152+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Exagen board member James Tullis to resign at 2023 annual meeting","bullets":["James L.L. Tullis notified Board on March 20, 2023 of resignation effective at the 2023 annual meeting.","Resignation is not due to any disagreement with the Company or Board.","No replacement has been announced for the departing director."],"urls":{"canonical":"https://secwatch.observer/filing/0001274737-23-000024","json":"https://secwatch.observer/filing/0001274737-23-000024.json","markdown":"https://secwatch.observer/filing/0001274737-23-000024.md","text":"https://secwatch.observer/filing/0001274737-23-000024.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1274737/000127473723000024/0001274737-23-000024-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1274737/000127473723000024/exdx-20230320.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T17:38:10.596152+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":"4850d6b9ad","claim":"James L.L. Tullis resigned as Director at EXAGEN INC..","evidence_excerpt":"On March 20, 2023, James L.L. Tullis informed the Board of Directors (the 'Board') of Exagen Inc. (the 'Company') that he will resign from the Board effective at the Company's 2023 annual meeting of stockholders.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1274737/000127473723000024/0001274737-23-000024-index.htm","confidence":0.95,"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"}