Yvonne Wassenaar plan to sell securities of Arista Networks, Inc. under Form 144

Yvonne Wassenaar filed Form 144 to notify SEC of plan to sell 971 units of Arista Networks, Inc. securities around 2026-05-20, with aggregate market value of $136,846.00. The total outstanding units is 1259202593.0. The amount planned to be sold represents 0.00% of total outstanding units; Recent transactions in past 3 months include: On 02/25/2026, sold 1815 units for $240381.00; On 03/16/2026, sold 1395 units for $184404.00; On 04/15/2026, sold 1395 units for $213533.00;