ANET Arista Networks, Inc.
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Executive Summary
Arista Networks co-founder and 10% stockholder Andreas Bechtolsheim filed a Form 144 on May 26, 2026, indicating intent to sell 220,000 shares of common stock through Goldman Sachs, with an approximate market value of $34.8 million based on the filing date. The proposed sale is part of a Rule 10b5-1 trading plan adopted on February 20, 2026, and all shares are held by the Bechtolsheim Family Trust. While the dollar amount is material for an insider, the pre-planned nature and the fact that Bechtolsheim remains a significant holder reduce the signal of negative intent.
Actionable Insight
The pre-planned 10b5-1 structure reduces the bearish signal, but the absolute dollar amount is notable for a co-founder. Monitor Form 4 filings to confirm actual sales; if the full 220,000 shares are sold, it would be the largest insider sale in recent quarters. No immediate trading catalyst — treat as a low-conviction neutral event.
Key Facts
- Andreas Bechtolsheim, co-founder and 10% stockholder, filed Form 144 to sell 220,000 shares.
- Estimated proceeds: approximately $34.8 million (220,000 shares × ~$158.01 per share based on filing date).
- Sale is pursuant to a Rule 10b5-1 trading plan adopted on February 20, 2026.
- All shares are held by the Bechtolsheim Family Trust.
- Broker: Goldman Sachs & Co. LLC.
- The filing represents intent to sell, not a completed transaction.
Financial Impact
Up to $34.8 million in insider selling, representing ~0.018% of ANET's $194B market cap.
Risk Factors
- Insider selling by a co-founder could be perceived negatively by the market despite the 10b5-1 plan.
- If the stock declines, the plan may still execute, adding selling pressure.
- The filing does not disclose remaining holdings, so the proportional impact on Bechtolsheim's stake is unknown.
Market Snapshot
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001958244-26-000321 |
| Document: 0001958244-26-000321-index.html | 0001958244-26-000321 |
| Document: 0001958244-26-000321.txt | 0001958244-26-000321 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
Jun 5, 2026
today
|
144
| $153.24 awaiting T+5 | awaiting T+5 | — | $154.27 (+0.67%) |
|
Jun 4, 2026
today
|
144
| — | awaiting T+5 | — | — |
|
Jun 3, 2026
1d ago
|
Insider Cluster
| — | awaiting T+5 | — | — |
|
May 28, 2026
7d ago
|
Insider Cluster
| $159.47 $174.37 | ▲ +9.34% | ▲ +9.64% | $154.27 (−3.26%) |
|
May 28, 2026
7d ago
|
Insider Cluster
| — | awaiting T+5 | — | — |
|
May 27, 2026
8d ago
|
Insider Cluster
| — | awaiting T+5 | — | — |
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May 26, 2026
9d ago
|
Insider Cluster
| — | awaiting T+5 | — | — |
|
May 26, 2026
10d ago
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144
| — | awaiting T+5 | — | — |
|
May 22, 2026
13d ago
|
Insider Cluster
| — | awaiting T+5 | — | — |
|
May 22, 2026
14d ago
|
144
| — | awaiting T+5 | — | — |
US Market Status
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