{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-21-322486","form_type":"8-K","ticker":"AMBA","cik":"0001280263","company_name":"AMBARELLA INC","filed_at":"2021-11-08T23:59:59+00:00","discovered_at":"2026-05-14T18:04:11.891426+00:00","generated_at":"2026-06-28T11:18:24.005877+00:00","sec_items":["2.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Ambarella completes $307.5M acquisition of Oculii; expands into radar perception","bullets":["Closed November 5, 2021; Oculii becomes wholly owned subsidiary of Ambarella.","Total consideration ~$307.5M cash, subject to customary adjustments.","Oculii CEO Steven Hong named Ambarella VP & GM, Radar; CTO Lang Hong becomes Fellow.","Oculii's adaptive AI radar software enables up to 100X resolution, longer range, greater accuracy.","Combines Ambarella camera tech with Oculii radar for all-weather, low-cost autonomous perception."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-21-322486","json":"https://secwatch.observer/filing/0001193125-21-322486.json","markdown":"https://secwatch.observer/filing/0001193125-21-322486.md","text":"https://secwatch.observer/filing/0001193125-21-322486.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521322486/0001193125-21-322486-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521322486/d255618d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T11:18:24.005877+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"}