SEC Filing Analysis: Arista Networks, Inc. (ANET)

Executive Summary

• Trading Significance: Low
• Key Takeaway: Director Charles Giancarlo sold ~$1M in stock via a pre-arranged 10b5-1 plan.
• Market Impact: Neutral; transaction size is immaterial relative to company size.

Company Information

Field	Value
Company	Arista Networks, Inc.
Ticker Symbol	ANET
CIK	0001596532
Industry	Computer Communications Equipment

Insider Information

Field	Value
Name	Giancarlo Charles H
CIK	0001299634
Relationship	Director

Transaction Details

Field	Value
Form Type	4
Transaction Date	2026-03-02
Transaction Code	S (Sale)
Security Type	Common Stock
Shares Involved	8,000
Price Per Share	~$128.67 (Weighted Avg)
Total Value	$1,029,372
Shares Owned After	224,333
Ownership Type	Indirect (Trust) & Direct

Financial Impact Assessment

Transaction Materiality

Metric	Value
Transaction Value	$1,029,372
% of Market Cap	0.0006%
Shares Transacted	8,000
% of Shares Outstanding	0.0006%
Materiality Assessment	Low

Impact Evaluation

• Market Cap Context: With a market cap of $167.75B, a $1M transaction is mathematically negligible.
• Ownership Concentration: The insider retains significant holdings (224,333 shares valued at ~$28.8M).
• Transaction Significance: The sale represents approximately 3.4% of the insider's total disclosed holdings.

Market Impact Analysis

Stock Impact Prediction

• Direction: Neutral
• Reasoning: The sale was conducted under a Rule 10b5-1 trading plan adopted on June 12, 2025, removing discretionary timing. The volume is too low to impact price action.

Additional Context

• Special Circumstances: Sales were executed in multiple batches at prices ranging from $127.46 to $130.50. The shares sold were held indirectly by a family trust.