ANET Arista Networks, Inc.
Price Chart
Executive Summary
Andreas Bechtolsheim, co-founder and 10%+ stockholder of Arista Networks, filed a Form 144 to sell 240,000 shares (~$39.8M at the filing date) through Goldman Sachs. The sales are part of a Rule 10b5-1 trading plan adopted on 2/20/2026, covering shares acquired from stock options and RSUs since 2018. While the dollar amount is large, the pre-planned nature under a 10b5-1 plan reduces the signal of insider concern.
Actionable Insight
The 10b5-1 plan adoption date (Feb 2026) predates recent stock weakness, so the sale is not a reaction to current price levels. Monitor for any acceleration of selling beyond the plan's schedule, which would be a bearish signal. The trust's recent $39.8M in completed sales (May 22-26) suggests the plan is being actively executed — this is a steady distribution, not a panic exit.
Key Facts
- Andreas Bechtolsheim (co-founder, 10%+ stockholder) filed to sell 240,000 shares of ANET common stock.
- Estimated aggregate value at filing: ~$39.84 million (based on $166.01/share approximate price).
- Sales are executed under a Rule 10b5-1 trading plan dated 2/20/2026, indicating pre-planned, non-discretionary timing.
- Shares originate from stock option exercises (2018, 2019) and RSU vesting events (2021-2022).
- The Bechtolsheim Family Trust has already sold ~$39.8M in ANET shares across multiple trades between 5/22/2026 and 5/26/2026, as detailed in the filing.
- Bechtolsheim's remaining beneficial ownership after the sale is not disclosed in this filing, but he held ~1.26 billion shares (based on filing's 'shares outstanding' field).
- Recent insider activity (30d) shows 3 other sells totaling $5.5M, but no buys.
Financial Impact
~$39.8 million in proposed sales, representing ~0.02% of ANET's $219.6B market cap. The Bechtolsheim Family Trust has already sold ~$39.8M in the preceding two weeks.
Risk Factors
- Co-founder selling ~$40M could spook retail investors if misinterpreted as a lack of confidence.
- Continued insider selling at this pace may signal peak valuation concerns or portfolio diversification needs.
- The 10b5-1 plan does not preclude additional unplanned sales — watch for any Form 4 filings outside the plan.
Market Snapshot
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001958244-26-000348 |
| Document: 0001958244-26-000348-index.html | 0001958244-26-000348 |
| Document: 0001958244-26-000348.txt | 0001958244-26-000348 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
Jun 9, 2026
3d ago
|
Insider Cluster
| $152.53 awaiting T+1 | awaiting T+1 | — | $163.24 (+7.02%) |
|
Jun 8, 2026
4d ago
|
Insider Cluster
| $156.99 awaiting T+1 | awaiting T+1 | — | $163.24 (+3.98%) |
|
Jun 5, 2026
7d ago
|
144
| $153.06 awaiting T+1 | awaiting T+1 | — | $163.24 (+6.65%) |
|
Jun 4, 2026
8d ago
|
144
| $159.46 awaiting T+1 | awaiting T+1 | — | $163.24 (+2.37%) |
|
Jun 3, 2026
9d ago
|
Insider Cluster
| $166.01 $154.27 | ▼ −7.07% | ▼ −4.47% | $163.24 (−1.67%) |
|
May 28, 2026
15d ago
|
Insider Cluster
| $159.47 $170.68 | ▲ +7.03% | ▲ +6.77% | $163.24 (+2.36%) |
|
May 28, 2026
15d ago
|
Insider Cluster
| $159.47 $170.68 | ▲ +7.03% | ▲ +6.77% | $163.24 (+2.36%) |
|
May 27, 2026
16d ago
|
Insider Cluster
| $155.27 $159.47 | ▲ +2.71% | ▲ +2.47% | $163.24 (+5.13%) |
|
May 26, 2026
17d ago
|
Insider Cluster
| $154.31 $155.27 | ▲ +0.62% | ▲ +0.07% | $163.24 (+5.79%) |
|
May 26, 2026
17d ago
|
144
| $154.31 $155.27 | ▲ +0.62% | ▲ +0.07% | $163.24 (+5.79%) |
US Market Status
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