{"schema_version":"secwatch.filing_event.v1","accession":"0001441683-22-000030","form_type":"8-K","ticker":"APPN","cik":"0001441683","company_name":"APPIAN CORP","filed_at":"2022-04-04T23:59:59+00:00","discovered_at":"2026-05-14T18:04:00.735732+00:00","generated_at":"2026-06-26T09:45:33.663110+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Appian appoints Mark Matheos CFO effective April 1, 2022; Mark Lynch retires","bullets":["Mark Matheos named CFO, effective April 1, 2022; succeeds Mark Lynch who retired after 14 years.","Matheos served as CAO since Dec 2021; salary $750k, target bonus $250k, RSU grant $510k vesting over 4 years.","Retention bonuses: $330k (March 2023), $230k (March 2024), $130k (March 2025) plus matching RSU awards.","Lynch will remain as advisor through Q2 2022 to ensure a smooth transition."],"urls":{"canonical":"https://secwatch.observer/filing/0001441683-22-000030","json":"https://secwatch.observer/filing/0001441683-22-000030.json","markdown":"https://secwatch.observer/filing/0001441683-22-000030.md","text":"https://secwatch.observer/filing/0001441683-22-000030.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1441683/000144168322000030/0001441683-22-000030-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1441683/000144168322000030/appn-20220404.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-26T09:45:33.663110+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":"7a58846e67","claim":"Mark Matheos was appointed as Chief Financial Officer at APPIAN CORP.","evidence_excerpt":"Mark Matheos has been appointed Chief Financial Officer of the Company, effective April 1, 2022","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1441683/000144168322000030/0001441683-22-000030-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Financial Officer"}],"fact_type":"executive_change"},{"claim_id":"7e750863d6","claim":"Mark Lynch departed as Chief Financial Officer at APPIAN CORP.","evidence_excerpt":"Mr. Matheos succeeds Mark Lynch, who has served as the Company's Chief Financial Officer since October 2008.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1441683/000144168322000030/0001441683-22-000030-index.htm","confidence":0.9,"family_label":"Executive change","details":[{"label":"Action","value":"succeeded"},{"label":"Role","value":"Chief Financial Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}