---
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"
generated_at: "2026-06-29T05:06:17.589476+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Ambarella promotes two founding team members to COO and SVP Systems

## Summary
- 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.

## SEC filing metadata
- 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
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02
- 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

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-267917
- JSON: https://secwatch.observer/filing/0001193125-21-267917.json
- Plain text: https://secwatch.observer/filing/0001193125-21-267917.txt

## Key facts
- Executive change
  Chan W. Lee changed role as Chief Operating Officer at AMBARELLA INC.
  - Action: promoted
  - Role: Chief Operating Officer
  source text: Chan W. Lee – Chief Operating Officer
  evidence_url: https://www.sec.gov/Archives/edgar/data/1280263/000119312521267917/0001193125-21-267917-index.htm
- Executive change
  Chi-Hong (John) Ju changed role as Sr. Vice President, Systems at AMBARELLA INC.
  - Action: promoted
  - Role: Sr. Vice President, Systems
  source text: Chi-Hong (John) Ju - Sr. Vice President, Systems
  evidence_url: https://www.sec.gov/Archives/edgar/data/1280263/000119312521267917/0001193125-21-267917-index.htm

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