Arista Networks 10% Stockholder Andreas Bechtolsheim Files Proposed Sale of $45.2M in Stock

Overview

On October 30, 2026, Andreas Bechtolsheim, a 10% stockholder and co-founder of Arista Networks, Inc. ($ANET), filed Form 144 indicating an intent to sell 267,892 shares of Common Stock through Goldman Sachs & Co. LLC. The proposed disposition represents an aggregate market value of approximately $45.24 million, reflecting an implied price of ~$168.86 per share.

Transaction Details

• Security: Common Stock
• Shares Proposed for Sale: 267,892
• Aggregate Market Value: $45,236,243.12
• Shares Outstanding: 1,261,224,648 (~0.02% of total outstanding shares)
• Original Acquisition: Acquired on January 21, 2011, via private transaction for cash consideration.
• Ownership Structure: Per the filing remarks, all shares are held and will be sold out of The Bechtolsheim Family Trust.
• Pre-Arranged Trading Plan: The transaction is conducted pursuant to a Rule 10b5-1 trading plan adopted on February 20, 2026.

Market & Trading Significance

• Significance Level: High, driven primarily by the absolute dollar value exceeding $45 million and the profile of the reporting insider.
• Context: The reporting owner has engaged in systematic, planned selling throughout August and September 2026 under the same Rule 10b5-1 plan. Because this sale is scheduled under a pre-established plan adopted earlier in the year, it represents planned liquidity/diversification rather than an opportunistic or reactive trade.