{"schema_version":"secwatch.filing_event.v1","accession":"0001441683-25-000060","form_type":"8-K","ticker":"APPN","cik":"0001441683","company_name":"APPIAN CORP","filed_at":"2025-10-02T23:59:59+00:00","discovered_at":"2026-05-14T18:02:39.422819+00:00","generated_at":"2026-05-17T04:55:11.249774+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Appian General Counsel Christopher Winters to retire in Q4 2025; no successor yet","bullets":["Christopher Winters, General Counsel and Secretary, plans to retire during Q4 2025.","Winters will remain in role through November 4, 2025 Board meeting to aid transition.","Successor not named; transition assistance is ongoing."],"urls":{"canonical":"https://secwatch.observer/filing/0001441683-25-000060","json":"https://secwatch.observer/filing/0001441683-25-000060.json","markdown":"https://secwatch.observer/filing/0001441683-25-000060.md","text":"https://secwatch.observer/filing/0001441683-25-000060.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1441683/000144168325000060/0001441683-25-000060-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1441683/000144168325000060/appn-20250929.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T04:55:11.249774+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"}