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

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

Summary

• Charles H. Giancarlo, a Director at Arista Networks, Inc. (ANET), reported the sale of 8,000 shares of common stock.
• The transactions occurred on January 2, 2026, and were executed under a Rule 10b5-1 trading plan established on June 12, 2025.
• The shares were sold in multiple transactions at weighted average prices ranging from $132.9695 to $135.705.
• Specifically, 2,476 shares were sold at a weighted average price of $132.9695, 3,524 shares at $133.6371, 1,800 shares at $134.9893, and 200 shares at $135.705.
• Following these transactions, Charles H. Giancarlo directly owns 221,578 shares of common stock.
• Additionally, 17,784 shares are indirectly owned by a family trust for which the reporting person is co-trustee.

Sentiment

Score: 5

Explanation: The sentiment is neutral as the transaction is a pre-planned sale under a 10b5-1 plan, which is a common personal financial management tool and does not necessarily reflect a change in the insider's outlook on the company's prospects.

Positives

• The sale was conducted under a pre-arranged Rule 10b5-1 trading plan, indicating a scheduled liquidity event rather than a reaction to new, undisclosed company information.

Negatives

• A director's sale of shares, even if pre-planned, reduces their direct equity 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

This Form 4 filing is a routine disclosure of an insider stock transaction and does not provide information related to broader industry trends or competitive landscape.

Related Party Transactions

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

Stakeholder Impact

• Shareholders may note a reduction in a director's direct equity holding, though mitigated by the pre-planned nature of the sale.

Key Dates

Keywords

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