Arista Networks CEO Jayshree Ullal Disposes of $13.2M in Stock via 10b5-1 Plan

Arista Networks, Inc. ($ANET) Form 4 Transaction Analysis

Summary of Filing

On September 29, 2026, Arista Networks, Inc. reported that Chief Executive Officer and Chairperson Jayshree Ullal disposed of a total of 62,622 shares of Common Stock on September 25, 2026, across three transactions at a weighted average price of $211.3957 per share (price range: $211.00 – $211.79). The aggregate proceeds from the sales totaled approximately $13.24 million.

Breakdown of Transactions

• Family Trust: Sold 44,726 shares, retaining 15,943,854 shares post-transaction.
• Trust for Child 1: Sold 8,948 shares, retaining 4,876,972 shares post-transaction.
• Trust for Child 2: Sold 8,948 shares, retaining 4,876,972 shares post-transaction.

Additional Holdings Retained

In addition to the trusts noted above, Ullal retains:

• 9,917 shares held directly.
• 25,000 shares held indirectly via Trust for Nephew.
• 25,000 shares held indirectly via Trust for Niece.

Total shares across direct and indirect trust vehicles exceed 25.7 million shares.

Trading Context and Significance

• Pre-Arranged 10b5-1 Plan: The transactions were conducted in accordance with pre-established Rule 10b5-1 trading plans entered into on November 14, 2025.
• Relative Impact: Although the dollar value of the disposition is substantial ($13.24M), it represents less than 0.25% of Ullal's aggregate beneficial and trust holdings.
• Significance: Classified as Medium primarily due to the executive rank (CEO) and transaction size, mitigated by the non-discretionary nature of scheduled 10b5-1 executions.