Kenneth Duda exercises options and sells Arista shares on September 21

A Form 4 shows Arista co-founder and CTO Kenneth Duda exercising options on 17,333 shares with an exercise price of $14.15 and selling shares on the same day at about $201.70 to $205.50. The filing covers the same day the S&P 100 change took effect.

• Options exercised: 17,333 shares at $14.15
• Sales on September 21 at about $201.70 to $205.50 per share