{"url_path":"/sec/xgn/proxy/2026-04-27/000127473726000021","section_key":"body","section_title":"DEFA14A body","topic":"sec","document":{"doc_type":"DEFA14A","doc_date":"2026-04-27","source_url":"https://www.sec.gov/Archives/edgar/data/1274737/0001274737-26-000021-index.html","accession_number":"0001274737-26-000021","cik":"0001274737","ticker":"XGN","issuer_name":"EXAGEN INC.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1274737/0001274737-26-000021-index.html","primary_entity_key":"0001274737","primary_entity_name":"EXAGEN INC."},"word_count":130,"has_tables":true,"body_markdown":"DEFA14A\n1\na2026defa14a.htm\nDEFA14A\n\nDocument\n\nUNITED STATES\n\nSECURITIES AND EXCHANGE COMMISSION\n\nWashington, D.C. 20549\n\n \n\nSCHEDULE 14A\n\nProxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )\n\nFiled by the Registrant ☒ Filed by a Party other than the Registrant ☐\n\nCheck the appropriate box:\n\n☐Preliminary Proxy Statement\n\n☐Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))\n\n☐Definitive Proxy Statement\n\n☒Definitive Additional Materials\n\n☐Soliciting Material under §240.14a-12\n\nExagen Inc.\n\n(Name of Registrant as Specified In Its Charter)\n\n(Name of Person(s) Filing Proxy Statement, if other than the Registrant)\n\nPayment of Filing Fee (Check the appropriate box):\n\n☒No fee required.\n\n☐Fee paid previously with preliminary materials.\n\n☐Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11."}