{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-21-267917","form_type":"8-K","ticker":"AMBA","cik":"0001280263","company_name":"AMBARELLA INC","filed_at":"2021-09-08T23:59:59+00:00","discovered_at":"2026-05-14T18:04:17.489439+00:00","generated_at":"2026-06-29T05:06:17.589476+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Ambarella promotes two founding team members to COO and SVP Systems","bullets":["Chan W. Lee promoted to Chief Operating Officer effective Sept 1, 2021.","Chi-Hong (John) Ju promoted to Sr. VP, Systems effective same date.","No salary adjustments; Lee's annual base $333,600, Ju's $304,900.","Both are at-will employees and eligible for FY2022 Annual Bonus Plan."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-21-267917","json":"https://secwatch.observer/filing/0001193125-21-267917.json","markdown":"https://secwatch.observer/filing/0001193125-21-267917.md","text":"https://secwatch.observer/filing/0001193125-21-267917.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521267917/0001193125-21-267917-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521267917/d230190d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T05:06:17.589476+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":"28bb054524","claim":"Chan W. Lee changed role as Chief Operating Officer at AMBARELLA INC.","evidence_excerpt":"Chan W. Lee – Chief Operating Officer","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521267917/0001193125-21-267917-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"promoted"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"},{"claim_id":"5935a708fa","claim":"Chi-Hong (John) Ju changed role as Sr. Vice President, Systems at AMBARELLA INC.","evidence_excerpt":"Chi-Hong (John) Ju - Sr. Vice President, Systems","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521267917/0001193125-21-267917-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"promoted"},{"label":"Role","value":"Sr. Vice President, Systems"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}