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

Arista Networks Director Charles H. Giancarlo sold 8,000 shares of common stock on February 2, 2026, through a pre-arranged Rule 10b5-1 trading plan.

Summary

• Charles H. Giancarlo, a Director of Arista Networks, Inc. (ANET), reported the sale of common stock.
• The transactions occurred on February 2, 2026.
• A total of 8,000 shares of common stock were disposed of directly across four separate transactions.
• These sales were executed pursuant to a Rule 10b5-1 trading plan, which was entered into by the reporting person on June 12, 2025.
• The weighted average sale prices for these transactions ranged from $138.9082 to $141.9373 per share.
• Following these reported transactions, Charles H. Giancarlo beneficially owns 221,578 shares directly and 9,784 shares indirectly through a family trust.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event, typical for insider financial planning, especially given the pre-arranged Rule 10b5-1 plan, which mitigates concerns about opportunistic selling.

Future Outlook

NA

Industry Context

StockSavvy.ai notes that insider sales, particularly those executed under a pre-arranged Rule 10b5-1 plan, are a common practice for executives and directors for personal financial planning, diversification, and liquidity. Such transactions do not inherently signal a change in the company's fundamental outlook or performance.

Related Party Transactions

• Shares are indirectly held by a family trust for which the reporting person is co-trustee.

Stakeholder Impact

• Shareholders: Disclosure of insider selling, which can sometimes be perceived negatively, though mitigated by the pre-arranged Rule 10b5-1 plan, suggesting a planned rather than reactive sale.

Key Dates

Recommendation

The filing details routine insider selling under a pre-arranged Rule 10b5-1 plan, which is a common practice for diversification and personal financial management. It does not provide new information regarding the company's operational performance or strategic direction that would warrant a change in an investment thesis based solely on this disclosure.

Keywords

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