---
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"
generated_at: "2026-06-28T17:53:18.483690+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Ambarella to acquire radar AI software firm Oculii for ~$307.5M cash

## Summary
- 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.

## SEC filing metadata
- 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
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 9.01
- 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

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-308048
- JSON: https://secwatch.observer/filing/0001193125-21-308048.json
- Plain text: https://secwatch.observer/filing/0001193125-21-308048.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.