Form 4: Arista CEO Jayshree Ullal Executes Planned Stock Sale

Arista Networks CEO Jayshree Ullal sold approximately 306,139 shares of common stock through pre-arranged Rule 10b5-1 trading plans.

Summary

• Jayshree Ullal, CEO and Chairperson of Arista Networks, Inc., executed the sale of 306,139 shares of common stock on April 20, 2026.
• The transactions were conducted at a weighted average price of $167.312 per share.
• The sales were executed pursuant to Rule 10b5-1 trading plans adopted on November 14, 2025.
• The shares sold were held in various trusts for the benefit of the reporting person's relatives, over which she shares voting and investment control.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event, as the sales were pre-planned and executed through established regulatory frameworks, indicating routine financial management rather than a reaction to company performance.

Positives

• The transactions were executed under a pre-established Rule 10b5-1 trading plan, which is a standard mechanism for corporate insiders to sell stock without triggering concerns regarding non-public information.

Negatives

• The sale represents a significant reduction in the number of shares held in trusts associated with the CEO, totaling over 300,000 shares.

Risks

• Continued reliance on Rule 10b5-1 plans for liquidity may lead to ongoing divestment of shares by key leadership.

Future Outlook

No specific forward-looking guidance regarding company operations was provided in this filing, as it is a standard disclosure of insider transaction activity.

Management Comments

• The reporting person disclaims beneficial ownership of the shares held in trusts for the benefit of relatives.

Industry Context

StockSavvy.ai notes that insider selling via 10b5-1 plans is a common practice among technology executives to manage personal financial planning and diversification, and generally does not signal a lack of confidence in the company's long-term prospects.

Comparison to Industry Standards

• The use of Rule 10b5-1 plans is the industry standard for executives at major tech firms like Cisco, Juniper Networks, and NVIDIA to ensure compliance with SEC regulations during stock divestment.

Related Party Transactions

• The filing discloses transactions involving trusts established for the benefit of the CEO's relatives.

Stakeholder Impact

• Shareholders should note the reduction in shares held by trusts associated with the CEO, though the pre-planned nature of the sale mitigates potential negative sentiment.

Next Steps

• Continued monitoring of future Form 4 filings for further insider transaction activity.

Key Dates

Keywords

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