---
schema_version: "secwatch.filing_event.v1"
accession: "0001580808-22-000172"
form_type: "8-K"
ticker: "ATEN"
cik: "0001580808"
company_name: "A10 Networks, Inc."
filed_at: "2022-09-09T23:59:59+00:00"
generated_at: "2026-06-23T11:57:07.496542+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# A10 Networks repurchases 3.5M shares from Summit Partners for $44.6M

## Summary
- Repurchased 3,500,000 shares from Summit Partners entities at $12.75/share, aggregate $44,625,000.
- Closing price on prior trading day was $13.05, representing a ~2.3% discount.
- Shares acquired from Summit Partners Growth Equity Fund VIII-A, VIII-B, Summit Investors I, and Summit Investors I (UK).
- Repurchase reduces outstanding shares; no changes to dividend or capital allocation announced.
- Funds were available from existing cash; transaction closed on September 8, 2022.

## SEC filing metadata
- accession: 0001580808-22-000172
- form_type: 8-K
- ticker: ATEN
- cik: 0001580808
- company_name: A10 Networks, Inc.
- filed_at: 2022-09-09T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1580808/000158080822000172/0001580808-22-000172-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1580808/000158080822000172/aten-20220908.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001580808-22-000172
- JSON: https://secwatch.observer/filing/0001580808-22-000172.json
- Plain text: https://secwatch.observer/filing/0001580808-22-000172.txt

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