Arista Networks Officer Kenneth Duda Files Form 144 to Sell $5.49M in Stock via Foundation

Arista Networks, Inc. (ANET) – Form 144 Filing Overview

Summary of Proposed Sale

On October 20, 2026, Kenneth Duda, an Officer and Founder of Arista Networks, Inc., filed a Form 144 notice for the proposed sale of 30,000 shares of common stock, representing an aggregate market value of approximately $5,488,500 ($182.95 per share). The proposed transaction is scheduled to commence on or around October 20, 2026, through J.P. Morgan Securities LLC on the NYSE.

Key Transaction Details

• Entity Selling: According to the filing remarks, the shares will be sold by the Foundation for Truth, Justice, and Compassion, with Jennifer Duda acting as President. The shares originate from founder shares originally acquired by Kenneth Duda in November 2004.
• Pre-Arranged Trading Plan: The proposed sale is executed pursuant to a pre-established Rule 10b5-1 trading plan adopted on March 11, 2026.
• Recent Selling Activity (Past 3 Months):
  • Kenneth Duda directly sold 17,333 shares on August 20, 2026 ($3.21M) and 17,333 shares on September 21, 2026 ($3.53M).
  • Associated trusts (Molly Hsu-Mei Duda 2017 Trust and Sophie Hsu-Tsen Duda 2017 Trust) each sold 8,000 shares in August and September 2026.
  • Foundation for Truth, Justice, and Compassion previously sold 10,000 shares on August 20, 2026 ($1.85M) and 10,000 shares on September 21, 2026 ($2.03M).

Market & Governance Context

With 1,261,224,648 shares of common stock outstanding, this proposed sale represents approximately 0.002% of total outstanding equity. Given that the sale is modest relative to company capitalization, conducted under a pre-established 10b5-1 plan, and executed via a charitable foundation, it presents low market significance.