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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>SEC FORM 
            4</title><style type="text/css">
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      </style></head><body>SEC Form 4 
   <table width="100%" border="0" cellspacing="0" cellpadding="4"><tr><td width="20%" colspan="2" valign="top" align="center" class="FormName">FORM 4</td><td rowspan="2" width="60%" valign="middle" align="center"><span class="FormTitle">UNITED STATES SECURITIES AND EXCHANGE COMMISSION</span><br><span class="MedSmallFormText">Washington, D.C. 20549</span><br><br><span class="FormTitle">STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP</span><br><br><span class="MedSmallFormText">Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934</span><br><span class="MedSmallFormText">or Section 30(h) of the Investment Company Act of 1940</span></td><td rowspan="2" width="20%" valign="top" align="center"><table width="100%" border="1" summary="OMB Approval Status Box"><tr><td class="FormTextC">OMB APPROVAL</td></tr><tr><td><table width="100%" border="0" summary="OMB Interior Box"><tr><td class="SmallFormText" colspan="3">OMB Number:</td><td class="SmallFormTextR">3235-0287</td></tr><tr><td class="SmallFormText" colspan="4">Estimated average burden</td></tr><tr><td class="SmallFormText" colspan="3">hours per response:</td><td class="SmallFormTextR">0.5</td></tr></table></td></tr></table></td></tr><tr valign="middle"><td><table width="100%" border="1" cellpadding="0" cellspacing="0"><tr><td>  </td></tr></table></td><td class="SmallFormText">Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. 
         <i>See</i>

         Instruction 1(b).</td></tr><tr valign="middle"><td><table width="100%" border="1" cellpadding="0" cellspacing="0"><tr><td><span class="FormData">X</span></td></tr></table></td><td class="SmallFormText">Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10. </td></tr></table><table width="100%" border="1" cellspacing="0" cellpadding="4"><tr><td rowspan="4" width="35%" valign="top"><span class="MedSmallFormText">1. Name and Address of Reporting Person<sup>*</sup></span><table border="0" width="100%"><tr><td><a href="/cgi-bin/browse-edgar?action=getcompany&amp;CIK=0001133206">BECHTOLSHEIM ANDREAS</a></td></tr></table><hr width="98%"><table border="0" width="100%"><tr><td width="33%" class="MedSmallFormText">(Last)</td><td width="33%" class="MedSmallFormText">(First)</td><td width="33%" class="MedSmallFormText">(Middle)</td></tr></table><table border="0" width="100%"><tr><td><span class="FormData">5453 GREAT AMERICA PARKWAY</span></td></tr><tr><td><span class="FormData"></span></td></tr></table><hr width="98%"><span class="MedSmallFormText">(Street)</span><table border="0" width="100%"><tr><td width="33%"><span class="FormData">SANTA CLARA</span></td><td width="33%"><span class="FormData">
				CALIFORNIA
			</span></td><td width="33%"><span class="FormData">95054</span></td></tr></table><hr width="98%"><table border="0" width="100%"><tr><td width="33%" class="MedSmallFormText">(City)</td><td width="33%" class="MedSmallFormText">(State)</td><td width="33%" class="MedSmallFormText">(Zip)</td></tr></table><hr width="98%"><table border="0" width="100%"><tr><td width="33%" colspen="3"><span class="FormData">UNITED STATES</span></td></tr></table><hr width="98%"><span class="MedSmallFormText">(Country)</span></td><td width="35%" valign="top"><span class="MedSmallFormText">2. Issuer Name <b>and</b> Ticker or Trading Symbol
      </span><br><a href="/cgi-bin/browse-edgar?action=getcompany&amp;CIK=0001596532">Arista Networks, Inc.</a>
     [ <span class="FormData">ANET</span> ]
   </td><td rowspan="2" valign="top"><span class="MedSmallFormText">5. Relationship of Reporting Person(s) to Issuer
      </span><br><span class="MedSmallFormText">(Check all applicable)</span><table border="0" width="100%"><tr><td width="15%" align="center"></td><td width="35%" class="MedSmallFormText">Director</td><td width="15%" align="center"><span class="FormData">X</span></td><td width="35%" class="MedSmallFormText">10% Owner</td></tr><tr><td align="center"></td><td class="MedSmallFormText">Officer (give title below)</td><td align="center"></td><td class="MedSmallFormText">Other (specify below)</td></tr><tr><td width="15%" align="center"></td><td width="35%" align="left" style="color: blue"></td><td width="15%" align="center"></td><td width="35%" align="left" style="color: blue"></td></tr></table></td></tr><tr><td valign="top"><span class="MedSmallFormText">2a. Foreign Trading Symbol
		 <br></span></td></tr><tr><td valign="top"><span class="MedSmallFormText">3. Date of Earliest Transaction
         (Month/Day/Year)</span><br><span class="FormData">08/06/2026</span></td><td valign="top" rowspan="2"><span class="MedSmallFormText">6. Individual or Joint/Group Filing (Check Applicable Line)
      </span><table border="0" width="100%"><tr><td width="15%" align="center"><span class="FormData">X</span></td><td width="85%" class="MedSmallFormText">Form filed by One Reporting Person</td></tr><tr><td width="15%" align="center"></td><td width="85%" class="MedSmallFormText">Form filed by More than One Reporting Person</td></tr></table></td></tr><tr><td valign="top" rowspan="1"><span class="MedSmallFormText">4. If Amendment, Date of Original Filed
         (Month/Day/Year)</span><br><br></td></tr></table><table width="100%" border="1" cellspacing="0" cellpadding="4"><thead><tr><th width="100%" valign="top" colspan="11" align="center" class="FormTextC"><b>Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned</b></th></tr><tr><th width="36%" valign="top" rowspan="2" align="left" class="MedSmallFormText">1. Title of Security (Instr. 
      3)
   </th><th width="6%" valign="top" rowspan="2" align="left" class="SmallFormText">2. Transaction Date
      (Month/Day/Year)</th><th width="5%" valign="top" rowspan="2" align="left" class="SmallFormText">2A. Deemed Execution Date, if any
      (Month/Day/Year)</th><th width="7%" valign="top" colspan="2" align="left" class="SmallFormText">3. Transaction Code (Instr. 
      8)
   </th><th width="19%" valign="top" colspan="3" align="left" class="SmallFormText">4. Securities Acquired (A) or Disposed Of (D) (Instr. 
      3, 4 and 5)
   </th><th width="11%" valign="top" rowspan="2" align="left" class="SmallFormText">5. 
      Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 
      3 and 4)
   </th><th width="9%" valign="top" rowspan="2" align="left" class="SmallFormText">6. Ownership Form: Direct (D) or Indirect (I) (Instr. 
      4)
   </th><th width="8%" valign="top" rowspan="2" align="left" class="SmallFormText">7. Nature of Indirect Beneficial Ownership (Instr. 
      4)
   </th></tr><tr><th width="4%" align="center" class="SmallFormText">Code</th><th width="3%" align="center" class="SmallFormText">V</th><th width="8%" align="center" class="SmallFormText">Amount</th><th width="5%" align="center" class="SmallFormText">(A) or (D)</th><th width="6%" align="center" class="SmallFormText">Price</th></tr></thead><tbody><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"><span class="FormData">08/06/2026</span></td><td align="center"></td><td align="center"><span class="SmallFormData">S</span><span class="FootnoteData"><sup>(1)</sup></span></td><td align="center"></td><td align="center"><span class="FormData">2,015</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">190.0053</span><span class="FootnoteData"><sup>(2)</sup></span></td><td align="center"><span class="FormData">109,833</span></td><td align="center"><span class="FormData">D</span></td><td align="left"></td></tr><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"><span class="FormData">08/06/2026</span></td><td align="center"></td><td align="center"><span class="SmallFormData">S</span><span class="FootnoteData"><sup>(1)</sup></span></td><td align="center"></td><td align="center"><span class="FormData">5,534</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">190.8738</span><span class="FootnoteData"><sup>(3)</sup></span></td><td align="center"><span class="FormData">104,299</span></td><td align="center"><span class="FormData">D</span></td><td align="left"></td></tr><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"><span class="FormData">08/06/2026</span></td><td align="center"></td><td align="center"><span class="SmallFormData">S</span><span class="FootnoteData"><sup>(1)</sup></span></td><td align="center"></td><td align="center"><span class="FormData">37,099</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">192.1176</span><span class="FootnoteData"><sup>(4)</sup></span></td><td align="center"><span class="FormData">67,200</span></td><td align="center"><span class="FormData">D</span></td><td align="left"></td></tr><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"><span class="FormData">08/06/2026</span></td><td align="center"></td><td align="center"><span class="SmallFormData">S</span><span class="FootnoteData"><sup>(1)</sup></span></td><td align="center"></td><td align="center"><span class="FormData">50,337</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">192.8649</span><span class="FootnoteData"><sup>(5)</sup></span></td><td align="center"><span class="FormData">16,863</span></td><td align="center"><span class="FormData">D</span></td><td align="left"></td></tr><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"><span class="FormData">08/06/2026</span></td><td align="center"></td><td align="center"><span class="SmallFormData">S</span><span class="FootnoteData"><sup>(1)</sup></span></td><td align="center"></td><td align="center"><span class="FormData">8,162</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">193.8308</span><span class="FootnoteData"><sup>(6)</sup></span></td><td align="center"><span class="FormData">8,701</span></td><td align="center"><span class="FormData">D</span></td><td align="left"></td></tr><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"><span class="FormData">08/06/2026</span></td><td align="center"></td><td align="center"><span class="SmallFormData">S</span><span class="FootnoteData"><sup>(1)</sup></span></td><td align="center"></td><td align="center"><span class="FormData">3,185</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">194.8603</span><span class="FootnoteData"><sup>(7)</sup></span></td><td align="center"><span class="FormData">5,516</span></td><td align="center"><span class="FormData">D</span></td><td align="left"></td></tr><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"><span class="FormData">08/06/2026</span></td><td align="center"></td><td align="center"><span class="SmallFormData">S</span><span class="FootnoteData"><sup>(1)</sup></span></td><td align="center"></td><td align="center"><span class="FormData">4,443</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">195.8569</span><span class="FootnoteData"><sup>(8)</sup></span></td><td align="center"><span class="FormData">1,073</span></td><td align="center"><span class="FormData">D</span></td><td align="left"></td></tr><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"><span class="FormData">08/06/2026</span></td><td align="center"></td><td align="center"><span class="SmallFormData">S</span><span class="FootnoteData"><sup>(1)</sup></span></td><td align="center"></td><td align="center"><span class="FormData">1,073</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">196.6015</span><span class="FootnoteData"><sup>(9)</sup></span></td><td align="center"><span class="FormData">0</span></td><td align="center"><span class="FormData">D</span></td><td align="left"></td></tr><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"><span class="FormData">08/06/2026</span></td><td align="center"></td><td align="center"><span class="SmallFormData">S</span><span class="FootnoteData"><sup>(1)</sup></span></td><td align="center"></td><td align="center"><span class="FormData">4,983</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">190.0661</span><span class="FootnoteData"><sup>(10)</sup></span></td><td align="center"><span class="FormData">181,438,065</span></td><td align="center"><span class="FormData">I</span></td><td align="left"><span class="FormData">by Trust</span><span class="FootnoteData"><sup>(11)</sup></span></td></tr><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"><span class="FormData">08/06/2026</span></td><td align="center"></td><td align="center"><span class="SmallFormData">S</span><span class="FootnoteData"><sup>(1)</sup></span></td><td align="center"></td><td align="center"><span class="FormData">15,029</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">190.8752</span><span class="FootnoteData"><sup>(12)</sup></span></td><td align="center"><span class="FormData">181,423,036</span></td><td align="center"><span class="FormData">I</span></td><td align="left"><span class="FormData">by Trust</span><span class="FootnoteData"><sup>(11)</sup></span></td></tr><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"><span class="FormData">08/06/2026</span></td><td align="center"></td><td align="center"><span class="SmallFormData">S</span><span class="FootnoteData"><sup>(1)</sup></span></td><td align="center"></td><td align="center"><span class="FormData">99,925</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">192.1171</span><span class="FootnoteData"><sup>(13)</sup></span></td><td align="center"><span class="FormData">181,323,111</span></td><td align="center"><span class="FormData">I</span></td><td align="left"><span class="FormData">by Trust</span><span class="FootnoteData"><sup>(11)</sup></span></td></tr><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"><span class="FormData">08/06/2026</span></td><td align="center"></td><td align="center"><span class="SmallFormData">S</span><span class="FootnoteData"><sup>(1)</sup></span></td><td align="center"></td><td align="center"><span class="FormData">135,778</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">192.8737</span><span class="FootnoteData"><sup>(14)</sup></span></td><td align="center"><span class="FormData">181,187,333</span></td><td align="center"><span class="FormData">I</span></td><td align="left"><span class="FormData">by Trust</span><span class="FootnoteData"><sup>(11)</sup></span></td></tr><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"><span class="FormData">08/06/2026</span></td><td align="center"></td><td align="center"><span class="SmallFormData">S</span><span class="FootnoteData"><sup>(1)</sup></span></td><td align="center"></td><td align="center"><span class="FormData">21,540</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">193.8292</span><span class="FootnoteData"><sup>(15)</sup></span></td><td align="center"><span class="FormData">181,165,793</span></td><td align="center"><span class="FormData">I</span></td><td align="left"><span class="FormData">by Trust</span><span class="FootnoteData"><sup>(11)</sup></span></td></tr><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"><span class="FormData">08/06/2026</span></td><td align="center"></td><td align="center"><span class="SmallFormData">S</span><span class="FootnoteData"><sup>(1)</sup></span></td><td align="center"></td><td align="center"><span class="FormData">8,321</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">194.8601</span><span class="FootnoteData"><sup>(16)</sup></span></td><td align="center"><span class="FormData">181,157,472</span></td><td align="center"><span class="FormData">I</span></td><td align="left"><span class="FormData">by Trust</span><span class="FootnoteData"><sup>(11)</sup></span></td></tr><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"><span class="FormData">08/06/2026</span></td><td align="center"></td><td align="center"><span class="SmallFormData">S</span><span class="FootnoteData"><sup>(1)</sup></span></td><td align="center"></td><td align="center"><span class="FormData">11,632</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">195.8562</span><span class="FootnoteData"><sup>(17)</sup></span></td><td align="center"><span class="FormData">181,145,840</span></td><td align="center"><span class="FormData">I</span></td><td align="left"><span class="FormData">by Trust</span><span class="FootnoteData"><sup>(11)</sup></span></td></tr><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"><span class="FormData">08/06/2026</span></td><td align="center"></td><td align="center"><span class="SmallFormData">S</span><span class="FootnoteData"><sup>(1)</sup></span></td><td align="center"></td><td align="center"><span class="FormData">2,792</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">196.6011</span><span class="FootnoteData"><sup>(18)</sup></span></td><td align="center"><span class="FormData">181,143,048</span></td><td align="center"><span class="FormData">I</span></td><td align="left"><span class="FormData">by Trust</span><span class="FootnoteData"><sup>(11)</sup></span></td></tr></tbody></table><table width="100%" border="1" cellspacing="0" cellpadding="4"><thead><tr><th width="100%" valign="top" colspan="16" align="center" class="FormTextC"><b>Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned</b><br><b>(e.g., puts, calls, warrants, options, convertible securities)</b></th></tr><tr><th width="13%" valign="top" rowspan="2" align="left" class="SmallFormText">1. Title of Derivative Security (Instr. 
      3)
   </th><th width="5%" valign="top" rowspan="2" align="left" class="SmallFormText">2. Conversion or Exercise Price of Derivative Security
   </th><th width="5%" valign="top" rowspan="2" align="left" class="SmallFormText">3. Transaction Date
      (Month/Day/Year)</th><th width="5%" valign="top" rowspan="2" align="left" class="SmallFormText">3A. Deemed Execution Date, if any
      (Month/Day/Year)</th><th width="9%" valign="top" colspan="2" align="left" class="SmallFormText">4. Transaction Code (Instr. 
      8)
   </th><th width="10%" valign="top" colspan="2" align="left" class="SmallFormText">5. 
      Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 
      3, 4 and 5)
   </th><th width="9%" valign="top" colspan="2" align="left" class="SmallFormText">6. Date Exercisable and Expiration Date 
      (Month/Day/Year)</th><th width="17%" valign="top" colspan="2" align="left" class="SmallFormText">7. Title and Amount of Securities Underlying Derivative Security (Instr. 
      3 and 4)
   </th><th width="6%" valign="top" rowspan="2" align="left" class="SmallFormText">8. Price of Derivative Security (Instr. 
      5)
   </th><th width="6%" valign="top" rowspan="2" align="left" class="SmallFormText">9. 
      Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 
      4)
   </th><th width="6%" valign="top" rowspan="2" align="left" class="SmallFormText">10. Ownership Form: Direct (D) or Indirect (I) (Instr. 
      4)
   </th><th width="7%" valign="top" rowspan="2" align="left" class="SmallFormText">11. Nature of Indirect Beneficial Ownership (Instr. 
      4)
   </th></tr><tr><th width="4%" valign="bottom" align="center" class="SmallFormText">Code</th><th width="4%" valign="bottom" align="center" class="SmallFormText">V</th><th width="5%" valign="bottom" align="center" class="SmallFormText">(A)</th><th width="5%" valign="bottom" align="center" class="SmallFormText">(D)</th><th width="5%" valign="bottom" align="center" class="SmallFormText">Date Exercisable</th><th width="4%" valign="bottom" align="center" class="SmallFormText">Expiration Date</th><th width="10%" valign="bottom" align="center" class="SmallFormText">Title</th><th width="7%" valign="bottom" align="center" class="SmallFormText">Amount or Number of Shares</th></tr></thead></table><table border="0" width="100%"><tr><td class="MedSmallFormText"><b>Explanation of Responses:</b></td></tr><tr><td class="FootnoteData">1. The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on February 20, 2026.</td></tr><tr><td class="FootnoteData">2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $189.44 to $190.43, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</td></tr><tr><td class="FootnoteData">3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $190.44 to $191.4375, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</td></tr><tr><td class="FootnoteData">4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $191.44 to $192.4375, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</td></tr><tr><td class="FootnoteData">5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $192.44 to $193.4375, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</td></tr><tr><td class="FootnoteData">6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $193.44 to $194.43, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</td></tr><tr><td class="FootnoteData">7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $194.44 to $195.43, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</td></tr><tr><td class="FootnoteData">8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $195.445 to $196.4375, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</td></tr><tr><td class="FootnoteData">9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $196.445 to $196.9325, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</td></tr><tr><td class="FootnoteData">10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $189.44 to $190.43, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</td></tr><tr><td class="FootnoteData">11. These shares are held by a family trust for which the reporting person is a trustee.</td></tr><tr><td class="FootnoteData">12. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $190.44 to $191.4375, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</td></tr><tr><td class="FootnoteData">13. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $191.44 to $192.4375, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</td></tr><tr><td class="FootnoteData">14. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $192.44 to $193.4375, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</td></tr><tr><td class="FootnoteData">15. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $193.44 to $194.43, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</td></tr><tr><td class="FootnoteData">16. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $194.44 to $195.43, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</td></tr><tr><td class="FootnoteData">17. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $195.445 to $196.4375, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</td></tr><tr><td class="FootnoteData">18. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $196.445 to $196.9325, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</td></tr></table><table width="100%" border="0"><tr><td width="60%"></td><td width="20%"><u><span class="FormData">By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Andreas Bechtolsheim</span></u></td><td width="20%"><u><span class="FormData">08/10/2026</span></u></td></tr><tr><td></td><td class="MedSmallFormText">** Signature of Reporting Person</td><td class="MedSmallFormText">Date</td></tr><tr><td colspan="3" class="MedSmallFormText">Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.</td></tr><tr><td colspan="3" class="MedSmallFormText">* If the form is filed by more than one reporting person, 
                  <i>see</i>

                  Instruction 
                  4

                  (b)(v).</td></tr><tr><td colspan="3" class="MedSmallFormText">** Intentional misstatements or omissions of facts constitute Federal Criminal Violations 
                  <i>See</i>

                  18 U.S.C. 1001 and 15 U.S.C. 78ff(a).</td></tr><tr><td colspan="3" class="MedSmallFormText">Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, 
                  <i>see</i>

                  Instruction 6 for procedure.</td></tr><tr><td colspan="3" class="MedSmallFormText"><b>Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.</b></td></tr><tr><td colspan="3" class="MedSmallFormText"><b>* Form 4: SEC 1474 (03-26)</b></td></tr></table></body></html>
