Arista Networks CEO Jayshree Ullal Sells $97.6M in Common Stock Under Rule 10b5-1 Plan

Arista Networks, Inc. ($ANET) Form 4 Transaction Summary

Insider: Jayshree Ullal (CEO and Chairperson)
Filing Date: October 8, 2026
Transaction Date: October 6, 2026

Key Transaction Figures

• Total Shares Sold: 460,374 shares of Common Stock
• Average Price: ~$212.09 per share (weighted average across multiple brackets ranging from $211.00 to $213.22)
• Gross Proceeds: ~$97,642,624.07
• Ownership Type: Indirect (held across two trusts for children and a family trust)

Context & 10b5-1 Trading Plan

All sales reported in this filing were executed in accordance with Rule 10b5-1 trading plans established on November 14, 2025. The dispositions were divided among:

• Trust for Child 1: 65,765 shares sold
• Trust for Child 2: 65,765 shares sold
• Family Trust: 328,844 shares sold

Post-Transaction Holdings

Following these dispositions, Jayshree Ullal continues to control substantial equity in Arista Networks:

• Family Trust: 15,615,010 shares
• Children's Trusts: 9,622,414 shares (4,811,207 each)
• Nephew/Niece Trusts: 50,000 shares (25,000 each)
• Direct Ownership: 9,917 shares
• Total Retained Ownership: 25,297,341 shares

Significance Assessment

While the transaction represents a sizable dollar amount (~$97.6M), its market significance is assessed as Medium because the sales were pre-scheduled under a Rule 10b5-1 plan set up nearly a year prior, and the shares sold represent less than 2% of her overall equity stake.