{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-154188","form_type":"8-K","ticker":"FIVN","cik":"0001288847","company_name":"Five9, Inc.","filed_at":"2023-05-25T23:59:59+00:00","discovered_at":"2026-05-14T18:03:38.281621+00:00","generated_at":"2026-06-14T14:12:13.307694+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Five9 appoints Jonathan Mariner to board of directors","bullets":["Jonathan Mariner appointed as Class III director, term expiring at 2026 annual meeting.","Mariner will serve on the Audit Committee; background includes CFO of Major League Baseball.","Initial equity grants: RSU award of $400,000 vesting over 3 years, plus $200,000 RSU vesting in 1 year.","Mariner also serves on boards of Tyson Foods and Rocket Companies, chairs their audit committees.","Standard indemnification agreement entered into; no arrangements with other persons for selection."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-154188","json":"https://secwatch.observer/filing/0001193125-23-154188.json","markdown":"https://secwatch.observer/filing/0001193125-23-154188.md","text":"https://secwatch.observer/filing/0001193125-23-154188.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1288847/000119312523154188/0001193125-23-154188-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1288847/000119312523154188/d496411d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-14T14:12:13.307694+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":"7746883d59","claim":"Jonathan Mariner was appointed as Director at Five9, Inc..","evidence_excerpt":"On May 24, 2023, the Board of Directors (the “Board”) of Five9, Inc. (the “Company”) appointed Mr. Jonathan Mariner to serve on the Board.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1288847/000119312523154188/0001193125-23-154188-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"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"}