Form 4 Filing for Arista Networks, Inc.

On April 17, 2026, Kenneth Duda, President and CTO of Arista Networks, Inc., reported several transactions involving the company's common stock. Duda acquired 32,000 shares through the exercise of a stock option at a price of $15.2625 per share. Concurrently, he disposed of a total of 35,641 shares in various transactions. These sales were conducted under a Rule 10b5-1 trading plan and occurred at weighted average prices ranging from $160.53 to $164.8584 per share. The shares sold were directly owned by Duda, held in trust for his children, or held by a foundation where he and his spouse serve as co-trustees. Following these transactions, Duda directly owns 12,976 shares, while indirect ownership through various trusts and foundations amounts to a significant number of shares, including 702,147 shares by GRAT JD, 702,147 shares by GRAT KD, and 201,134 shares by a trust.