---
schema_version: "secwatch.filing_event.v1"
accession: "0001596532-21-000351"
form_type: "8-K"
ticker: "ANET"
cik: "0001596532"
company_name: "Arista Networks, Inc."
filed_at: "2021-11-01T23:59:59+00:00"
generated_at: "2026-06-28T15:45:03.757055+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Arista Q3 revenue up 23.7% YoY to $748.7M; announces 4:1 stock split and $1B buyback

## Summary
- GAAP EPS $2.81 vs $2.12 YoY; non-GAAP EPS $2.96 vs $2.42 YoY; revenue $748.7M up 23.7% YoY.
- Non-GAAP gross margin 64.9%; Q4 guidance: revenue $775-795M, non-GAAP gross margin 63-65%, operating margin ~37%.
- 4-for-1 stock split; record date Nov 11, 2021; trading on split-adjusted basis on or about Nov 18.
- Board authorized additional $1B for share repurchase program.

## SEC filing metadata
- accession: 0001596532-21-000351
- form_type: 8-K
- ticker: ANET
- cik: 0001596532
- company_name: Arista Networks, Inc.
- filed_at: 2021-11-01T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01, 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1596532/000159653221000351/0001596532-21-000351-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1596532/000159653221000351/anet-20211101.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001596532-21-000351
- JSON: https://secwatch.observer/filing/0001596532-21-000351.json
- Plain text: https://secwatch.observer/filing/0001596532-21-000351.txt

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