The sale is pre-arranged under a 10b5-1 plan, so no new bearish signal. Monitor for any deviations from the plan or accelerated insider selling.
Price Chart
Executive Summary
Co-founder and 10% owner Andreas Bechtolsheim files Form 144 to sell 260,000 shares of Arista Networks under a Rule 10b5-1 trading plan adopted on 2/20/2026, with an approximate market value of $43.3 million. The plan was established months prior, reducing signaling significance; the sale represents a negligible fraction of market cap.
Key Facts
- Insider: Andreas Bechtolsheim (co-founder, 10% stockholder)
- Shares to be sold: 260,000 shares of common stock
- Estimated value: $43,321,200
- Broker: Goldman Sachs & Co. LLC
- Trading plan: Rule 10b5-1(c) dated 2/20/2026
- Market cap: $213.9B; sale represents ~0.02% of shares outstanding
Financial Impact
~$43.3M sale proceeds, immaterial relative to $213.9B market cap
Risk Factors
- None material; routine 10b5-1 plan execution
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001958244-26-000415 |
| Document: 0001958244-26-000415-index.html | 0001958244-26-000415 |
| Document: 0001958244-26-000415.txt | 0001958244-26-000415 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 10, 2026 21d ago | Insider Cluster | $199.59 $199.39 | ▼ −0.10% | ▲ +0.12% | $207.40 (+3.91%) |
Sep 3, 2026 28d ago | Insider Cluster | $193.78 $187.81 | ▼ −3.08% | ▼ −1.87% | $207.40 (+7.03%) |
Aug 31, 2026 4w ago | Insider Cluster | $189.26 $192.93 | ▲ +1.94% | ▲ +1.86% | $207.40 (+9.58%) |
Aug 31, 2026 4w ago | Insider Cluster | $189.26 $192.93 | ▲ +1.94% | ▲ +1.86% | $207.40 (+9.58%) |
Aug 27, 2026 5w ago | Insider Cluster | $195.38 $193.78 | ▼ −0.82% | ▼ −0.93% | $207.40 (+6.15%) |
Aug 25, 2026 5w ago | Insider Cluster | $202.25 $186.10 | ▼ −7.99% | ▼ −7.87% | $207.40 (+2.55%) |
Aug 14, 2026 6w ago | Insider Cluster | $201.80 $188.15 | ▼ −6.76% | ▼ −5.57% | $207.40 (+2.78%) |
Aug 10, 2026 7w ago | Insider Cluster | $197.85 $193.18 | ▼ −2.36% | ▼ −1.96% | $207.40 (+4.83%) |
Aug 7, 2026 7w ago | Insider Cluster | $191.52 $201.80 | ▲ +5.37% | ▲ +5.41% | $207.40 (+8.29%) |
Aug 6, 2026 8w ago | 144 | $188.67 $198.82 | ▲ +5.38% | ▲ +4.98% | $207.40 (+9.93%) |
US Market Status
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