Form 4: Arista Networks CFO Executes Planned Stock Sale

Arista Networks CFO Chantelle Breithaupt sold 2,448 shares of common stock under a pre-established Rule 10b5-1 trading plan.

Summary

• Chantelle Breithaupt, Senior Vice President and CFO of Arista Networks, sold 2,448 shares of common stock.
• The transaction occurred on May 26, 2026, at a price of $157 per share.
• Following this transaction, the reporting person retains beneficial ownership of 64,408 shares.
• The sale was executed pursuant to a Rule 10b5-1 trading plan adopted on December 11, 2025.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event, as the sale was pre-planned and represents a small portion of the executive's total holdings.

Positives

• The sale was conducted under a pre-arranged Rule 10b5-1 plan, which is a standard mechanism for executives to sell shares without triggering insider trading concerns.

Negatives

• The transaction represents a reduction in the direct equity stake held by the company's CFO.

Risks

• None identified; this is a routine disclosure of a planned executive stock sale.

Future Outlook

No forward-looking guidance or strategic outlook provided in this filing.

Industry Context

StockSavvy.ai notes that routine insider selling under 10b5-1 plans is common practice among C-suite executives and generally does not signal a change in company fundamentals or management sentiment.

Comparison to Industry Standards

• The use of Rule 10b5-1 plans is the industry standard for executives to manage personal liquidity while maintaining compliance with SEC regulations.

Stakeholder Impact

• Minimal impact expected as the sale was executed via a pre-planned trading program.

Next Steps

• No future actions or milestones mentioned.

Key Dates

Keywords

Arista Networks, ANET, Insider Trading, Form 4, CFO, Stock Sale