Form 4 Filing for Arista Networks, Inc.

This filing details stock transactions by Charles H. Giancarlo, a director at Arista Networks, Inc. On April 1, 2026, Giancarlo sold a total of 7,999 shares of Common Stock through multiple transactions, with a weighted average price reported for each set of transactions. The sales occurred at prices ranging from $124.90 to $127.09. Specifically, 3,898 shares were sold at a weighted average price of $125.38, 3,702 shares at a weighted average price of $126.44, and 400 shares at a weighted average price of $126.99. These shares were held in a family trust where Giancarlo is a co-trustee. Following these transactions, the total post-transaction shares owned by the trust, after accounting for a transfer of 222,549 shares, amounted to 216,333 shares.