Form 4: Arista CEO Jayshree Ullal Executes Planned Stock Sale

Arista Networks CEO Jayshree Ullal sold 13,809 shares of common stock on May 26, 2026, pursuant to a pre-established Rule 10b5-1 trading plan.

Summary

• Jayshree Ullal, CEO and Chairperson of Arista Networks, sold a total of 13,809 shares of common stock.
• The transactions occurred on May 26, 2026, at weighted average prices ranging from $154.47 to $157.30 per share.
• The sales were executed under a Rule 10b5-1 trading plan adopted on November 14, 2025.
• Following these transactions, the reporting person retains direct ownership of 9,917 shares and maintains significant indirect holdings through various family trusts.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event, as the sale was executed under a pre-existing, automated trading plan and does not indicate a change in corporate strategy.

Positives

• The sale was conducted via a pre-planned Rule 10b5-1 trading plan, which is a standard mechanism for executives to sell stock without triggering insider trading concerns.
• The reporting person maintains a substantial indirect ownership stake in the company, signaling continued long-term alignment with shareholder interests.

Negatives

• The transaction represents a reduction in the direct equity stake held by the CEO.

Risks

• Market perception of executive selling can occasionally lead to short-term volatility, regardless of the pre-planned nature of the transaction.

Future Outlook

No specific forward-looking guidance regarding company operations was provided in this filing.

Industry Context

StockSavvy.ai notes that executive stock sales under 10b5-1 plans are routine corporate events and generally do not reflect a change in management's outlook on the company's fundamental performance.

Comparison to Industry Standards

• The use of Rule 10b5-1 plans is the industry standard for C-suite executives at major technology firms like Cisco, Juniper Networks, and NVIDIA to manage personal liquidity.

Related Party Transactions

• The filing discloses various family trusts for which the reporting person serves as trustee or co-trustee, holding a significant number of shares.

Stakeholder Impact

• Minimal impact expected as the sale was pre-planned and represents a small portion of the reporting person's total beneficial ownership.

Next Steps

• No future actions or milestones were disclosed in this filing.

Key Dates

Keywords

Arista Networks, ANET, Jayshree Ullal, Insider Selling, Rule 10b5-1, Corporate Governance