Arista Networks 10% Owner Andreas Bechtolsheim Files Form 144 for $59.86M Sale

Overview

On September 17, 2026, Andreas Bechtolsheim, a 10% stockholder and co-founder of Arista Networks, Inc. ($ANET), filed Form 144 indicating a proposed sale of 300,000 shares of common stock with an estimated aggregate market value of $59,859,000 (~$199.53 per share).

Key Transaction Highlights

• Shares Proposed for Sale: 300,000 Common Stock
• Aggregate Market Value: $59,859,000
• Approximate Sale Date: September 17, 2026
• Broker: Goldman Sachs & Co. LLC
• Trading Plan: Executed under a Rule 10b5-1 trading plan adopted on February 20, 2026.
• Selling Entity: All shares are being sold on behalf of The Bechtolsheim Family Trust.

Prior 3-Month Activity

The filing reports extensive selling activity over the prior three months under the 10b5-1 plan through The Bechtolsheim Family Trust and direct holdings across June, July, and August 2026, reflecting programmatic diversification.

Significance

Given the large transaction size (~$59.86M) and the insider's status as a major 10% shareholder, this represents a significant volume of stock being liquidated, though structured under a pre-established Rule 10b5-1 plan.