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

An Arista Networks director sold 1,815 shares of common stock on February 25, 2026, through a pre-arranged Rule 10b5-1 trading plan.

Summary

• Yvonne Wassenaar, a Director of Arista Networks, Inc. (ANET), reported multiple sales of common stock.
• A total of 1,815 shares were sold on February 25, 2026.
• The sales were executed under a Rule 10b5-1 trading plan adopted on November 21, 2025.
• The shares were sold at weighted average prices ranging from $129.407 to $133.3542 per share.
• Following these transactions, Yvonne Wassenaar directly beneficially owns 12,574 shares of Arista Networks common stock.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event. While it's an insider sale, it was pre-scheduled under a 10b5-1 plan, which typically mitigates negative interpretations compared to unscheduled sales.

Negatives

• Insider selling, even under a pre-arranged plan, can sometimes be perceived negatively by investors as it reduces the insider's direct stake in the company.

Future Outlook

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

Industry Context

StockSavvy.ai notes that insider transactions, particularly those executed under Rule 10b5-1 plans, are a routine part of executive compensation and personal financial management across the technology sector. These pre-scheduled sales are common and do not necessarily indicate a change in the company's fundamental outlook or the insider's confidence.

Stakeholder Impact

• Shareholders: May observe a slight decrease in insider ownership, though the pre-arranged nature of the sale under a 10b5-1 plan suggests it is not based on new material non-public information.

Key Dates

Recommendation

This Form 4 filing reports routine insider selling under a pre-arranged 10b5-1 plan. Such transactions are common for directors and executives for personal financial planning and diversification, and typically do not reflect a change in the company's fundamentals or future prospects. Therefore, it does not warrant a change in investment recommendation based solely on this filing.

Keywords

Arista Networks, ANET, Insider Trading, Form 4, Stock Sale, Director, Rule 10b5-1, Equity Transaction