Form 4: Arista Networks CEO Sells Shares Under 10b5-1 Plan

Arista Networks CEO and Chairperson Jayshree Ullal sold 24,040 shares of common stock for approximately $3.19 million through a pre-arranged 10b5-1 trading plan.

Summary

• Jayshree Ullal, CEO and Chairperson of Arista Networks, Inc. (ANET), reported the sale of 24,040 shares of common stock.
• The sales occurred on August 25, 2025, across four separate transactions at weighted average prices ranging from $131.0369 to $133.6029 per share.
• The total value of the shares sold is approximately $3,190,987.87.
• These transactions were executed pursuant to a Rule 10b5-1 trading plan adopted by Ms. Ullal on December 13, 2024.
• Following these transactions, Ms. Ullal directly beneficially owns 9,917 shares of common stock.
• Indirect beneficial ownership includes 5,623,721 shares held in trust for Child 1, 5,623,721 shares for Child 2, 30,000 shares for a Nephew, 30,000 shares for a Niece, and 20,508,982 shares held by a family trust, for which Ms. Ullal serves as trustee or co-trustee, though she disclaims beneficial ownership for some of these shares.

Sentiment

Score: 6

Explanation: The sentiment is neutral to slightly positive. While insider selling can sometimes be viewed negatively, the execution under a pre-arranged 10b5-1 plan mitigates concerns about opportunistic trading, suggesting a planned financial management strategy rather than a reaction to adverse company news.

Positives

• The sales were conducted under a pre-arranged Rule 10b5-1 trading plan, indicating a planned and transparent divestment strategy rather than an immediate reaction to new information.

Negatives

• The sale of a significant number of shares by a key executive, such as the CEO and Chairperson, could be perceived by some investors as a lack of confidence, even if executed under a 10b5-1 plan.

Future Outlook

This Form 4 filing does not contain any forward-looking statements or guidance regarding Arista Networks' future performance or outlook.

Industry Context

This filing is an insider transaction report and does not provide information directly related to broader industry trends or competitive landscape for Arista Networks. It reflects an individual executive's stock management strategy.

Related Party Transactions

• Jayshree Ullal's indirect beneficial ownership includes shares held in various trusts for the benefit of her children, nephew, niece, and a family trust, for which she serves as trustee or co-trustee. While these are related parties, the reported transactions are sales of directly held shares.

Stakeholder Impact

• Shareholders may note the sale of shares by a key executive, which could lead to questions about management's long-term commitment or valuation perspective, although the 10b5-1 plan context typically lessens such concerns.

Key Dates

Recommendation

The filing reports a planned insider sale by the CEO under a 10b5-1 plan. While significant in volume, these sales are pre-scheduled and do not necessarily reflect a change in the company's fundamental outlook or the executive's confidence. Without additional company-specific news or financial updates, a 'hold' recommendation is appropriate, advising investors to maintain their current position while monitoring future developments and broader market conditions for Arista Networks.

Keywords

Arista Networks, ANET, Jayshree Ullal, Insider Trading, Form 4, Stock Sale, 10b5-1 Plan, CEO, Chairperson