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Arista Networks Officer Files Form 144 for $119.8K Planned Share Sale

Low SignificanceSeptember 1, 2026 at 9:05:15 PM UTC

Arista Networks, Inc.

$ANET144CIK: 0001596532

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Filing Summary

Form 144 Notice of Proposed Sale: Arista Networks, Inc. (NYSE: ANET)

Insider: Chantelle Breithaupt (Officer) • Shares Proposed for Sale: 612 shares • Aggregate Market Value: $119,762.28 (~$195.69/share) • Approximate Date of Sale: 09/01/2026 • Plan Adoption Date: 06/02/2026 (Rule 10b5-1 Trading Plan) • Origin of Shares: Restricted Stock Units acquired 08/20/2026 • Broker: Morgan Stanley Smith Barney LLC

Comprehensive Analysis

Executive Summary

On September 1, 2026, Arista Networks, Inc. (ANET) officer Chantelle Breithaupt filed a Form 144 notice with the SEC covering the proposed sale of 612 shares of Common Stock. The aggregate market value of the proposed transaction is $119,762.28, representing an average estimated price of $195.69 per share.

Transaction Details

  • Insider: Chantelle Breithaupt
  • Relationship: Officer
  • Proposed Sale Date: September 1, 2026
  • Securities to Sell: 612 shares of Common Stock
  • Total Proposed Value: $119,762.28
  • Acquisition Origin: The shares were recently acquired on August 20, 2026, from the issuer upon the vesting of Restricted Stock Units (RSUs).
  • Broker: Morgan Stanley Smith Barney LLC

Trading Plan & Market Context

  • 10b5-1 Plan Adoption: The transaction is executed pursuant to a Rule 10b5-1 trading plan adopted on June 2, 2026.
  • Significance Assessment: Low. The proposed transaction is modest in size ($119.8K), represents a negligible fraction of the company's 126.1M outstanding shares, and follows a pre-scheduled Rule 10b5-1 plan following an RSU vest.
Topics:#AristaNetworks#ANET#Form144#InsiderTrading#SEC

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