Andy Bechtolsheim sells Arista shares on September 17

A Form 4 filing shows co-founder and chief architect Andy Bechtolsheim selling Arista common stock on September 17, 2026 in several blocks. Prices in the filing run from about $193.61 to above $204 per share. The sales came four days before Arista's S&P 100 addition took effect.

• Trade date: September 17, 2026
• Prices in the filing start at about $193.61 and rise above $204 per share
• Multiple sale lines reported in the same Form 4