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

Arista Networks CEO and Chairperson Jayshree Ullal sold 24,042 shares of common stock on November 25, 2025, through a pre-arranged 10b5-1 trading plan.

Summary

• Jayshree Ullal, CEO and Chairperson of Arista Networks, Inc. (ANET), reported the sale of 24,042 shares of common stock.
• The transactions occurred on November 25, 2025, and were executed under a Rule 10b5-1 trading plan adopted on December 13, 2024.
• The shares were sold in multiple transactions at weighted average prices ranging from $123.198 to $125.6238 per share.
• Following these transactions, Jayshree Ullal directly beneficially owns 9,917 shares of common stock.
• Additionally, Jayshree Ullal indirectly beneficially owns 29,138,424 shares through various family trusts, including trusts for children, a nephew, a niece, and a family trust, where she serves as trustee or co-trustee.

Sentiment

Score: 5

Explanation: The filing is a routine disclosure of insider stock sales executed under a pre-arranged 10b5-1 plan, which is generally considered neutral in terms of company sentiment.

Positives

• The sales were conducted under a pre-arranged Rule 10b5-1 trading plan, indicating a planned divestiture rather than a reaction to recent events, which enhances transparency and reduces the perception of opportunistic trading.

Negatives

• Insider selling, even under a 10b5-1 plan, can sometimes be perceived by investors as a lack of confidence, although it is often for personal financial planning purposes.

Future Outlook

This filing does not contain any forward-looking statements or guidance regarding the company's future outlook.

Industry Context

This is a routine insider transaction disclosure and does not provide information directly related to broader industry trends or competitive landscape.

Related Party Transactions

• Jayshree Ullal indirectly holds 5,383,207 shares in a trust for Child 1, for which she serves as trustee and shares voting and investment control, disclaiming beneficial ownership.
• Jayshree Ullal indirectly holds 5,383,207 shares in a trust for Child 2, for which she serves as trustee and shares voting and investment control, disclaiming beneficial ownership.
• Jayshree Ullal indirectly holds 30,000 shares in a trust for a Nephew, for which she serves as co-trustee and shares voting and investment control, disclaiming beneficial ownership.
• Jayshree Ullal indirectly holds 30,000 shares in a trust for a Niece, for which she serves as co-trustee and shares voting and investment control, disclaiming beneficial ownership.
• Jayshree Ullal indirectly holds 18,312,010 shares in a family trust, for which she is a co-trustee.

Stakeholder Impact

• Shareholders: The sale represents a minor reduction in direct insider ownership, but the pre-arranged nature of the sale under a 10b5-1 plan typically mitigates concerns about management's confidence in the company's future.

Key Dates

Keywords

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