{"schema_version":"secwatch.filing_event.v1","accession":"0001288847-25-000177","form_type":"8-K","ticker":"FIVN","cik":"0001288847","company_name":"Five9, Inc.","filed_at":"2025-07-31T23:59:59+00:00","discovered_at":"2026-05-14T18:02:43.591431+00:00","generated_at":"2026-05-17T22:11:33.549788+00:00","sec_items":["5.02","8.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"CEO Michael Burkland to retire; Bryan Lee appointed permanent CFO; board proposes declassification","bullets":["CEO Michael Burkland to retire; will remain CEO until successor found, then Executive Chairman for 6 months, then director until 2026 annual meeting.","Bryan Lee, interim CFO since April 2025, appointed CFO and Treasurer permanently, effective July 31, 2025.","Board proposes declassifying board over three years and removing supermajority vote threshold; amendments to be voted at 2026 annual meeting."],"urls":{"canonical":"https://secwatch.observer/filing/0001288847-25-000177","json":"https://secwatch.observer/filing/0001288847-25-000177.json","markdown":"https://secwatch.observer/filing/0001288847-25-000177.md","text":"https://secwatch.observer/filing/0001288847-25-000177.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1288847/000128884725000177/0001288847-25-000177-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1288847/000128884725000177/fivn-20250729.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T22:11:33.549788+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"}