<SEC-DOCUMENT>0001596532-21-000413.txt : 20211124
<SEC-HEADER>0001596532-21-000413.hdr.sgml : 20211124
<ACCEPTANCE-DATETIME>20211124185148
ACCESSION NUMBER:		0001596532-21-000413
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20211122
FILED AS OF DATE:		20211124
DATE AS OF CHANGE:		20211124

REPORTING-OWNER:	

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

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36468
		FILM NUMBER:		211448629

	MAIL ADDRESS:	
		STREET 1:		C/O ARISTA NETWORKS, INC.
		STREET 2:		5453 GREAT AMERICA PARKWAY
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95054

ISSUER:		

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

	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
</SEC-HEADER>
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    <footnotes>
        <footnote id="F1">Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.</footnote>
        <footnote id="F2">Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.</footnote>
        <footnote id="F3">The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on June 13, 2021.</footnote>
        <footnote id="F4">On November 18, 2021, the issuer completed a four-for-one stock split of the issuer's common stock. All amounts have been adjusted to give effect to this stock split.</footnote>
        <footnote id="F5">These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.</footnote>
        <footnote id="F6">The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 13, 2021.</footnote>
        <footnote id="F7">These shares are held by a family trust for which the reporting person is co-trustee.</footnote>
        <footnote id="F8">These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee.  The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.</footnote>
        <footnote id="F9">Five percent (5%) of the restricted stock units awarded vested on February 20, 2017 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20 of each year.</footnote>
        <footnote id="F10">Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on May 20, 2019 and will continue to vest at the same rate on each quarterly vest date thereafter.  A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.</footnote>
        <footnote id="F11">This performance stock award was granted in the first quarter of 2020 and was earned based on attainment of certain performance conditions. The award vested (25%) on February 22, 2021, and will continue to vest at a rate of 6.25% quarterly thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Jayshree Ullal</signatureName>
        <signatureDate>2021-11-24</signatureDate>
    </ownerSignature>
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</SEC-DOCUMENT>
