{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-21-308048","form_type":"8-K","ticker":"AMBA","cik":"0001280263","company_name":"AMBARELLA INC","filed_at":"2021-10-26T23:59:59+00:00","discovered_at":"2026-05-14T18:04:11.891214+00:00","generated_at":"2026-06-28T17:53:18.483690+00:00","sec_items":["1.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Ambarella to acquire radar AI software firm Oculii for ~$307.5M cash","bullets":["Aggregate cash consideration ~$307.5M, subject to customary adjustments; unvested Oculii options assumed by Ambarella.","Transaction approved by both boards; HSR waiting period expired; expected close in Q4 FY2022 (Jan 31, 2022).","Oculii's adaptive AI software increases radar resolution up to 100X using production radar chips.","Oculii engaged with 10 of top 15 tier 1s; production programs expected to commence in CY2023.","Ambarella plans conference call at 4:30 p.m. ET today to discuss the acquisition."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-21-308048","json":"https://secwatch.observer/filing/0001193125-21-308048.json","markdown":"https://secwatch.observer/filing/0001193125-21-308048.md","text":"https://secwatch.observer/filing/0001193125-21-308048.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521308048/0001193125-21-308048-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521308048/d247928d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T17:53:18.483690+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"}