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

Arista Networks CEO and Chairperson Jayshree Ullal reported sales of common stock totaling 56,548 shares through pre-arranged 10b5-1 trading plans.

Summary

• Jayshree Ullal, CEO and Chairperson of Arista Networks, Inc. (ANET), reported sales of common stock.
• The transactions occurred on September 8, 2025, and were executed under Rule 10b5-1 trading plans established on December 13, 2024.
• A total of 56,548 shares were sold across multiple transactions.
• Weighted average prices for the sales were $143.5038 for 50,897 shares and $144.0421 for 5,651 shares.
• Following these transactions, Ullal's indirect beneficial ownership includes 5,555,373 shares for a trust for Child 1, 5,555,373 shares for a trust for Child 2, 20,150,366 shares for a family trust, 30,000 shares for a trust for a nephew, and 30,000 shares for a trust for a niece.
• Ullal also directly owns 9,917 shares of common stock.
• Ullal disclaims beneficial ownership of shares held in trusts for her children, nephew, and niece, despite serving as trustee or co-trustee.

Sentiment

Score: 5

Explanation: The filing reports routine insider sales executed under a pre-arranged 10b5-1 trading plan, which is a neutral event. While insider selling can sometimes be viewed negatively, the pre-planned nature mitigates concerns about opportunistic selling.

Positives

• Sales were conducted under a Rule 10b5-1 trading plan, indicating pre-scheduled transactions rather than opportunistic selling based on new information.

Negatives

• CEO and Chairperson Jayshree Ullal sold a significant number of shares (56,548 shares) of Arista Networks common stock, which can sometimes be perceived negatively by the market, even if pre-planned.

Future Outlook

NA

Management Comments

• The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on December 13, 2024.
• The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 13, 2024.
• The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares held in trusts for relatives.

Industry Context

NA

Related Party Transactions

• Shares are held in trust for the benefit of the reporting person's children, nephew, and niece, for which the reporting person serves as trustee or co-trustee.

Stakeholder Impact

• Shareholders: May perceive insider selling, even if pre-planned, with slight caution, but the existence of a 10b5-1 plan generally reduces negative implications as it suggests a scheduled liquidity event rather than a reaction to new, negative information.

Key Dates

Recommendation

The Form 4 filing details routine insider sales by the CEO and Chairperson under a pre-arranged 10b5-1 plan. This type of transaction is generally not indicative of a change in the company's fundamentals or management's confidence, as it's a scheduled liquidity event. Therefore, it does not provide a basis for a change in investment recommendation, maintaining a 'hold' stance based solely on this filing.

Keywords

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