<SEC-DOCUMENT>0001968582-25-000646.txt : 20250730
<SEC-HEADER>0001968582-25-000646.hdr.sgml : 20250730
<ACCEPTANCE-DATETIME>20250730162210
ACCESSION NUMBER:		0001968582-25-000646
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250730
DATE AS OF CHANGE:		20250730

SUBJECT COMPANY:	

	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:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-36468
		FILM NUMBER:		251167400

	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

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Ullal Jayshree
		CENTRAL INDEX KEY:			0001605809
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		C/O ARISTA NETWORKS, INC.
		STREET 2:		5453 GREAT AMERICA PARKWAY
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95054
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
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    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001605809</cik>
          <ccc>XXXXXXXX</ccc>
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      <liveTestFlag>LIVE</liveTestFlag>



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    <issuerInfo>
      <issuerCik>0001596532</issuerCik>
      <issuerName>Arista Networks, Inc.</issuerName>
      <secFileNumber>001-36468</secFileNumber>
      <issuerAddress>
        <com:street1>5453 Great America Parkway</com:street1>
        <com:city>Santa Clara</com:city>
        <com:stateOrCountry>CA</com:stateOrCountry>
        <com:zipCode>95054</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>4085475000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Jayshree Ullal</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer and Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>J.P. Morgan Securities LLC</name>
        <address>
          <com:street1>360 Madison Avenue - 6th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10017</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>161308</noOfUnitsSold>
      <aggregateMarketValue>19679576</aggregateMarketValue>
      <noOfUnitsOutstanding>1255921431</noOfUnitsOutstanding>
      <approxSaleDate>07/30/2025</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>01/01/2013</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Option Exercise</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>161308</amountOfSecuritiesAcquired>
      <paymentDate>01/01/2013</paymentDate>
      <natureOfPayment>NA</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>The Tarini Ullal Trust</name>
        <address>
          <com:street1>5453 Great America Parkway</com:street1>
          <com:city>Santa Clara</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
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      <securitiesClassTitle>common</securitiesClassTitle>
      <saleDate>06/26/2025</saleDate>
      <amountOfSecuritiesSold>14110</amountOfSecuritiesSold>
      <grossProceeds>1439677</grossProceeds>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>The Tarini Ullal Trust</name>
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          <com:street1>5453 Great America Parkway</com:street1>
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          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
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      <saleDate>06/27/2025</saleDate>
      <amountOfSecuritiesSold>241</amountOfSecuritiesSold>
      <grossProceeds>24580</grossProceeds>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>The Tarini Ullal Trust</name>
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          <com:stateOrCountry>CA</com:stateOrCountry>
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      <securitiesClassTitle>common</securitiesClassTitle>
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    <securitiesSoldInPast3Months>
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        <name>The Tarini Ullal Trust</name>
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          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>common</securitiesClassTitle>
      <saleDate>07/25/2025</saleDate>
      <amountOfSecuritiesSold>8376</amountOfSecuritiesSold>
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    <securitiesSoldInPast3Months>
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        <name>The Tarini Ullal Trust</name>
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          <com:street1>5453 Great America Parkway</com:street1>
          <com:city>Santa Clara</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
        </address>
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      <securitiesClassTitle>common</securitiesClassTitle>
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    <securitiesSoldInPast3Months>
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          <com:street1>5453 Great America Parkway</com:street1>
          <com:city>Santa Clara</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
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      <securitiesClassTitle>common</securitiesClassTitle>
      <saleDate>07/29/2025</saleDate>
      <amountOfSecuritiesSold>81137</amountOfSecuritiesSold>
      <grossProceeds>9667701</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>The Adeeti Ullal Trust</name>
        <address>
          <com:street1>5453 Great America Parkway</com:street1>
          <com:city>Santa Clara</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
        </address>
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      <securitiesClassTitle>common</securitiesClassTitle>
      <saleDate>06/26/2025</saleDate>
      <amountOfSecuritiesSold>14110</amountOfSecuritiesSold>
      <grossProceeds>1439677</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>The Adeeti Ullal Trust</name>
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          <com:street1>5453 Great America Parkway</com:street1>
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          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
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      <securitiesClassTitle>common</securitiesClassTitle>
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      <grossProceeds>24580</grossProceeds>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>The Adeeti Ullal Trust</name>
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          <com:street1>5453 Great America Parkway</com:street1>
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          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
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      <securitiesClassTitle>common</securitiesClassTitle>
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      <amountOfSecuritiesSold>100862</amountOfSecuritiesSold>
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    <securitiesSoldInPast3Months>
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        <name>The Adeeti Ullal Trust</name>
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          <com:street1>5453 Great America Parkway</com:street1>
          <com:city>Santa Clara</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>common</securitiesClassTitle>
      <saleDate>07/25/2025</saleDate>
      <amountOfSecuritiesSold>8376</amountOfSecuritiesSold>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>The Adeeti Ullal Trust</name>
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          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
        </address>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>The Adeeti Ullal Trust</name>
        <address>
          <com:street1>5453 Great America Parkway</com:street1>
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          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
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      <securitiesClassTitle>common</securitiesClassTitle>
      <saleDate>07/29/2025</saleDate>
      <amountOfSecuritiesSold>81137</amountOfSecuritiesSold>
      <grossProceeds>9667701</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>The Ishan Nagpal Trust</name>
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          <com:street1>5453 Great America Parkway</com:street1>
          <com:city>Santa Clara</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
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      <securitiesClassTitle>common</securitiesClassTitle>
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      <amountOfSecuritiesSold>1224</amountOfSecuritiesSold>
      <grossProceeds>124888</grossProceeds>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>The Ishan Nagpal Trust</name>
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          <com:stateOrCountry>CA</com:stateOrCountry>
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      <sellerDetails>
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          <com:street1>5453 Great America Parkway</com:street1>
          <com:city>Santa Clara</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
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        <name>The Shriya Nagpal Trust</name>
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          <com:stateOrCountry>CA</com:stateOrCountry>
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          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
        </address>
      </sellerDetails>
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      <amountOfSecuritiesSold>20</amountOfSecuritiesSold>
      <grossProceeds>2040</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>The Shriya Nagpal Trust</name>
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          <com:street1>5453 Great America Parkway</com:street1>
          <com:city>Santa Clara</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
        </address>
      </sellerDetails>
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      <saleDate>06/30/2025</saleDate>
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      <grossProceeds>896869</grossProceeds>
    </securitiesSoldInPast3Months>
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      <sellerDetails>
        <name>Jayshree Ullal</name>
        <address>
          <com:street1>5453 Great America Parkway</com:street1>
          <com:city>Santa Clara</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>common</securitiesClassTitle>
      <saleDate>06/26/2025</saleDate>
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      <grossProceeds>1334074</grossProceeds>
    </securitiesSoldInPast3Months>
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      <sellerDetails>
        <name>Jayshree Ullal</name>
        <address>
          <com:street1>5453 Great America Parkway</com:street1>
          <com:city>Santa Clara</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>common</securitiesClassTitle>
      <saleDate>06/27/2025</saleDate>
      <amountOfSecuritiesSold>223</amountOfSecuritiesSold>
      <grossProceeds>22744</grossProceeds>
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      <sellerDetails>
        <name>Jayshree Ullal</name>
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          <com:city>Santa Clara</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>common</securitiesClassTitle>
      <saleDate>06/30/2025</saleDate>
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      <grossProceeds>9573852</grossProceeds>
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      <sellerDetails>
        <name>2000 Ullal Family Trust</name>
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          <com:street1>5453 Great America Parkway</com:street1>
          <com:city>Santa Clara</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>common</securitiesClassTitle>
      <saleDate>06/26/2025</saleDate>
      <amountOfSecuritiesSold>74039</amountOfSecuritiesSold>
      <grossProceeds>7554377</grossProceeds>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>2000 Ullal Family Trust</name>
        <address>
          <com:street1>5453 Great America Parkway</com:street1>
          <com:city>Santa Clara</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>common</securitiesClassTitle>
      <saleDate>06/27/2025</saleDate>
      <amountOfSecuritiesSold>1271</amountOfSecuritiesSold>
      <grossProceeds>129632</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>2000 Ullal Family Trust</name>
        <address>
          <com:street1>5453 Great America Parkway</com:street1>
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          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
        </address>
      </sellerDetails>
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      <saleDate>06/30/2025</saleDate>
      <amountOfSecuritiesSold>529208</amountOfSecuritiesSold>
      <grossProceeds>54206352</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>2000 Ullal Family Trust</name>
        <address>
          <com:street1>5453 Great America Parkway</com:street1>
          <com:city>Santa Clara</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>common</securitiesClassTitle>
      <saleDate>07/25/2025</saleDate>
      <amountOfSecuritiesSold>43946</amountOfSecuritiesSold>
      <grossProceeds>5054708</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>2000 Ullal Family Trust</name>
        <address>
          <com:street1>5453 Great America Parkway</com:street1>
          <com:city>Santa Clara</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>common</securitiesClassTitle>
      <saleDate>07/28/2025</saleDate>
      <amountOfSecuritiesSold>44128919</amountOfSecuritiesSold>
      <grossProceeds>8410248</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>2000 Ullal Family Trust</name>
        <address>
          <com:street1>5453 Great America Parkway</com:street1>
          <com:city>Santa Clara</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>common</securitiesClassTitle>
      <saleDate>07/29/2025</saleDate>
      <amountOfSecuritiesSold>50726445</amountOfSecuritiesSold>
      <grossProceeds>9667701</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>The shares filed today will be sold by  The Tarini Ullal Trust  - Jayshree Ullal  as Trustee  The securities to be sold were acquired  from stock option exercises  by Jayshree Ullal  and transferred to the Trust on various dates between 1/1/2013  and  12/31/2013.</remarks>
    <noticeSignature>
      <noticeDate>07/30/2025</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>12/13/2024</planAdoptionDate>
      </planAdoptionDates>
      <signature>/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact forJayshree Ullal</signature>
    </noticeSignature>
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