---
schema_version: "secwatch.filing_event.v1"
accession: "0001580808-26-000033"
form_type: "8-K"
ticker: "ATEN"
cik: "0001580808"
company_name: "A10 Networks, Inc."
filed_at: "2026-05-07T23:59:59+00:00"
generated_at: "2026-05-14T21:41:54.894070+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# A10 Networks finalizes separation with former EVP Khoury; accelerates 33,052 RSUs

## Summary
- Sheen Khoury terminated as EVP Worldwide Sales and Marketing on April 27, 2026, as previously disclosed.
- Separation Agreement signed May 2, 2026: vesting accelerated on 11,667 RSUs and 21,385 performance-based RSUs.
- No other compensation or benefits provided to Khoury in connection with termination.

## SEC filing metadata
- accession: 0001580808-26-000033
- form_type: 8-K
- ticker: ATEN
- cik: 0001580808
- company_name: A10 Networks, Inc.
- filed_at: 2026-05-07T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1580808/000158080826000033/0001580808-26-000033-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1580808/000158080826000033/aten-20260502.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001580808-26-000033
- JSON: https://secwatch.observer/filing/0001580808-26-000033.json
- Plain text: https://secwatch.observer/filing/0001580808-26-000033.txt

## Key facts
- Executive change
  Sheen Khoury was terminated as Executive Vice President, Worldwide Sales and Marketing at A10 Networks, Inc..
  - Action: terminated
  - Role: Executive Vice President, Worldwide Sales and Marketing
  source text: Sheen Khoury was terminated as the Executive Vice President, Worldwide Sales and Marketing of A10 Networks, Inc. (the “Company”) on April 27, 2026, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1580808/000158080826000033/0001580808-26-000033-index.htm

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