---
schema_version: "secwatch.filing_event.v1"
accession: "0001580808-26-000048"
form_type: "8-K"
ticker: "ATEN"
cik: "0001580808"
company_name: "A10 Networks, Inc."
filed_at: "2026-09-14T13:05:49+00:00"
generated_at: "2026-09-14T13:07:11.328382+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# A10 Networks names Mary C. Henry to board, effective Oct 5, 2026

## Summary
- Board size increased from five to six; Henry appointed to fill new seat.
- Appointment effective October 5, 2026; term through 2027 annual meeting.
- Henry to receive standard non-employee director compensation; no committee seats yet.
- No arrangements or transactions under Item 404(a) reported.

## SEC filing metadata
- accession: 0001580808-26-000048
- form_type: 8-K
- ticker: ATEN
- cik: 0001580808
- company_name: A10 Networks, Inc.
- filed_at: 2026-09-14T13:05:49+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1580808/000158080826000048/0001580808-26-000048-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1580808/000158080826000048/aten-20260909.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001580808-26-000048
- JSON: https://secwatch.observer/filing/0001580808-26-000048.json
- Plain text: https://secwatch.observer/filing/0001580808-26-000048.txt

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