{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-395523","form_type":"8-K","ticker":"SEER","cik":"0001726445","company_name":"Seer, Inc.","filed_at":"2026-09-18T20:06:57+00:00","discovered_at":"2026-09-18T20:08:21.590872+00:00","generated_at":"2026-09-18T20:08:36.591224+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Seer CFO/President David Horn resigns; CEO Farokhzad adds President, Endweiss named PFO/Treasurer","bullets":["David Horn resigns as President, CFO and Treasurer effective Oct 1, 2026, to pursue other interests; no disagreement with company.","CEO Omid Farokhzad, M.D. appointed President in addition to CEO/Chair effective Oct 1, 2026.","Charles Endweiss, VP FP&A, appointed Treasurer and principal financial/accounting officer effective Oct 1, 2026.","Horn's vested option exercise period extended to one year after resignation, contingent on signed release agreement.","Endweiss has been VP FP&A since Jan 2021, prior at Carbon; no family ties or disclosable transactions."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-395523","json":"https://secwatch.observer/filing/0001193125-26-395523.json","markdown":"https://secwatch.observer/filing/0001193125-26-395523.md","text":"https://secwatch.observer/filing/0001193125-26-395523.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1726445/000119312526395523/0001193125-26-395523-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1726445/000119312526395523/d110986d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-18T20:08:36.591224+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}