Arista Networks' stock was sold at an average price of $349.55, totaling $556,483.60, with the senior vice president now owning 186,600 shares valued at $65.2 million. Insiders sold 58,346 shares worth $21.6 million in the last ninety days, while institutional investors hold 82.47% of the stock. UBS Group raised its target price for Arista from $369 to $425, indicating a potential upside, amidst mixed ratings from analysts.