{"schema_version":"secwatch.filing_event.v1","accession":"0001441683-25-000028","form_type":"8-K","ticker":"APPN","cik":"0001441683","company_name":"APPIAN CORP","filed_at":"2025-04-21T23:59:59+00:00","discovered_at":"2026-05-14T18:02:48.309198+00:00","generated_at":"2026-05-23T10:07:10.674001+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Appian appoints Serge Tanjga as CFO, effective May 27, 2025","bullets":["Serge Tanjga, former MongoDB interim CFO and SVP Finance, named Appian CFO effective May 27, 2025.","He succeeds Mark Lynch, who served as interim CFO since November 2024.","Compensation: $750k base salary, $450k target bonus, $5M sign-on RSUs (4-year vest).","Recurring annual grants of $1.5M each in RSUs and performance stock units, both 4-year vest.","Tanjga holds a B.A. and MBA from Harvard; over 20 years of financial experience."],"urls":{"canonical":"https://secwatch.observer/filing/0001441683-25-000028","json":"https://secwatch.observer/filing/0001441683-25-000028.json","markdown":"https://secwatch.observer/filing/0001441683-25-000028.md","text":"https://secwatch.observer/filing/0001441683-25-000028.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1441683/000144168325000028/0001441683-25-000028-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1441683/000144168325000028/appn-20250421.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-23T10:07:10.674001+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":"12346415a2","claim":"Srdjan \"Serge\" Tanjga was appointed as Chief Financial Officer at APPIAN CORP.","evidence_excerpt":"Appointment of Chief Financial Officer On April 21, 2025, Appian Corporation (the “Company”) issued a press release announcing that Srdjan “Serge” Tanjga has been appointed Chief Financial Officer of the Company, effective May 27, 2025 (the “Effective Date”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1441683/000144168325000028/0001441683-25-000028-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":"188cc6ceee","claim":"Mark Lynch departed as Interim Chief Financial Officer at APPIAN CORP.","evidence_excerpt":"Mr. Tanjga succeeds Mark Lynch, who has served as the Company’s Interim Chief Financial Officer since November 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1441683/000144168325000028/0001441683-25-000028-index.htm","confidence":0.9,"family_label":"Executive change","details":[{"label":"Action","value":"succeeded"},{"label":"Role","value":"Interim 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"}