---
schema_version: "secwatch.filing_event.v1"
accession: "0001596532-25-000077"
form_type: "8-K"
ticker: "ANET"
cik: "0001596532"
company_name: "Arista Networks, Inc."
filed_at: "2025-03-17T23:59:59+00:00"
generated_at: "2026-05-24T15:35:57.115653+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Arista appoints Greg Lavender to board; Chief Platform Officer John McCool to step down April 7

## Summary
- Greg Lavender (Intel CTO) appointed as independent director, Board expanded to 9 members, effective immediately.
- Lavender appointed to Audit Committee; receives standard non-employee director compensation plus pro-rata RSU.
- John McCool to step down as CPO & SVP Engineering/Operations effective April 7, 2025; will become senior advisor to CEO.
- McCool to take personal leave of absence; no disagreement with Arista; expects to return after leave.
- Alex Rose (VP Hardware Eng) and Mike Kappus (AVP Manufacturing) will assume McCool's responsibilities.

## SEC filing metadata
- accession: 0001596532-25-000077
- form_type: 8-K
- ticker: ANET
- cik: 0001596532
- company_name: Arista Networks, Inc.
- filed_at: 2025-03-17T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1596532/000159653225000077/0001596532-25-000077-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1596532/000159653225000077/anet-20250314.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001596532-25-000077
- JSON: https://secwatch.observer/filing/0001596532-25-000077.json
- Plain text: https://secwatch.observer/filing/0001596532-25-000077.txt

## Key facts
- Executive change
  Greg Lavender was appointed as independent director at Arista Networks, Inc..
  - Action: appointed
  - Role: independent director
  source text: On March 14, 2025, the Board of Directors (the “Board”) of Arista Networks, Inc. (“Arista”) increased the size of the Board to nine members and appointed Greg Lavender to serve as an independent member of Arista’s Board, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1596532/000159653225000077/0001596532-25-000077-index.htm

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