# EDGAR Filing Document

**Accession Number:** 0001596532
**File Stem:** 0001193125-26-158952
**Filing Date:** 2026-4
**Character Count:** 4478
**Document Hash:** 3e1a5dcfc742e71817ece5d374ebeb9f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-158952.hdr.sgml**: 20260416

**ACCESSION NUMBER**: 0001193125-26-158952

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260416

**DATE AS OF CHANGE**: 20260416

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Arista Networks, Inc.
- **CENTRAL INDEX KEY:** 0001596532
- **STANDARD INDUSTRIAL CLASSIFICATION:** COMPUTER COMMUNICATIONS EQUIPMENT [3576]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 201751121
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36468
- **FILM NUMBER:** 26867469

**BUSINESS ADDRESS:**
- **STREET 1:** 5453 GREAT AMERICA PARKWAY
- **CITY:** SANTA CLARA
- **STATE:** CA
- **ZIP:** 95054
- **BUSINESS PHONE:** 408-547-5500

**MAIL ADDRESS:**
- **STREET 1:** 5453 GREAT AMERICA PARKWAY
- **CITY:** SANTA CLARA
- **STATE:** CA
- **ZIP:** 95054

##### [**Table of Contents**](#toc)
**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

**SCHEDULE 14A** 

**PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE** 

**SECURITIES EXCHANGE ACT OF 1934** 

**(AMENDMENT NO.)** 

Filed by the Registrant ☒

Filed by a Party other than the Registrant ☐

Check the appropriate box:

☐ Preliminary Proxy Statement

☐ **Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))**

☐ Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material Under §240.14a-12

## ARISTA NETWORKS, INC.
**(Name of Registrant as Specified In Its Charter)** 

**(Name of Person(s) Filing Proxy Statement, if other than Registrant)** 

Payment of Filing Fee (Check all boxes that apply):

☒ No fee required.

☐ Fee paid previously with preliminary materials.

☐ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

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##### [**Table of Contents**](#toc)
![LOGO](g30351g56g80.jpg)

Your Vote Counts! ARISTA NETWORKS, INC. 2026 Annual Meeting Vote by May 28, 2026 11:59 PM ET ARISTA NETWORKS, INC. 5453 GREAT AMERICA PARKWAY SANTA CLARA, CA 95054 V85344-P46762 You invested in ARISTA NETWORKS, INC. and it's time to vote! You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy materials for the stockholder meeting to be held on May 29, 2026. Get informed before you vote View the Notice and Proxy Statement and Annual Report online OR you can receive a free paper or email copy of the material(s) by requesting prior to May 15, 2026. If you would like to request a copy of the material(s) for this and/or future stockholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy. For complete information and to vote, visit www.ProxyVote.com Control # Smartphone users Vote Virtually at the Meeting\* Point your camera here and May 29, 2026 11:00 AM Pacific Time vote without entering a control number Virtually at: www.virtualshareholdermeeting.com/ANET2026 \*Please check the meeting materials for any special requirements for meeting attendance.

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##### [**Table of Contents**](#toc)
![LOGO](g30351g48p57.jpg)

Vote at www.ProxyVote.com THIS IS NOT A VOTABLE BALLOT This communication is not a form for voting and presents only an overview of the more complete proxy materials, which contain important information and are available to you on the Internet or by mail. We encourage you to access and review the proxy materials before voting. Please follow the instructions on the reverse side to vote these important matters. Board Voting Items Recommends 1. Election of Directors Nominees: For 01) Lewis Chew 02) Greg Lavender 03) Mark B. Templeton 2. Approval, on an advisory basis, of the compensation of our named executive officers. For 3. Ratification of the appointment of Ernst & Young LLP as our independent registered public accounting firm for our For fiscal year ending December 31, 2026. NOTE: Such other business as may properly come before the meeting or any adjournment thereof. Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click "Delivery Settings". V85345-P46762