{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-092329","form_type":"8-K","ticker":"AMPL","cik":"0001866692","company_name":"Amplitude, Inc.","filed_at":"2023-04-05T23:59:59+00:00","discovered_at":"2026-05-14T18:03:41.381137+00:00","generated_at":"2026-06-17T06:03:59.685073+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Amplitude CAO Ninos Sarkis resigns; CFO Harms named principal accounting officer","bullets":["Ninos Sarkis, Chief Accounting Officer, resigns effective on or about May 10, 2023.","CFO Christopher Harms appointed as principal accounting officer effective March 30, 2023.","Sarkis leaving to pursue another opportunity; no mention of interim CAO or search.","Harms already serves as principal financial officer; now holds both roles."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-092329","json":"https://secwatch.observer/filing/0001193125-23-092329.json","markdown":"https://secwatch.observer/filing/0001193125-23-092329.md","text":"https://secwatch.observer/filing/0001193125-23-092329.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1866692/000119312523092329/0001193125-23-092329-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1866692/000119312523092329/d484149d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T06:03:59.685073+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":"4797e4ec95","claim":"Ninos Sarkis resigned as Chief Accounting Officer at Amplitude, Inc..","evidence_excerpt":"On March 30, 2023, Ninos Sarkis, Chief Accounting Officer and principal accounting officer of Amplitude, Inc. (the “Company”), provided notice of his intent to resign from his position with the Company in order to pursue another opportunity.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1866692/000119312523092329/0001193125-23-092329-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chief Accounting Officer"}],"fact_type":"executive_change"},{"claim_id":"c42f5d601f","claim":"Christopher Harms was appointed as Chief Financial Officer at Amplitude, Inc..","evidence_excerpt":"In addition, on March 30, 2023, the Board of Directors of the Company appointed Christopher Harms, the Chief Financial Officer and principal financial officer of the Company, as principal accounting officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1866692/000119312523092329/0001193125-23-092329-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"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"}