The insider sales are tiny relative to company size and are accompanied by heavy option-exercise / tax-withholding activity typical of scheduled vesting events. No bearish signal. Monitor next earnings for fundamentals; these sales do not warrant a trade on their own.
Price Chart
Executive Summary
Arista President/CTO Kenneth Duda and Director Yvonne Wassenaar sold shares in open-market transactions totaling ~$2.07M from May 14–21, 2026. These sales are modest relative to ANET's $194B market cap (~0.001%), are overwhelmingly driven by option exercises and tax-withholding events (non-cash), and align with post-vesting liquidity patterns rather than informed bearish signals. The net cash outflow from open-market sales is negligible.
Key Financial Metrics
Key Facts
- President/CTO Duda sold 14,500 shares at ~$139.41 for ~$2.02M on 2026-05-18
- Director Wassenaar sold 324 shares at ~$139.89 for ~$45.3K on 2026-05-20
- Total cluster sale value ~$2.07M is ~0.001% of $194B market cap
- Majority of cluster activity (20 of 22 line items) are option exercises (code M) and tax-withholding surrenders (code F), which are non-cash events
- The open-market sales occurred the same day as large derivative exercises by CEO Ullal, CFO Breithaupt, and other officers — consistent with post-vesting portfolio management
- Director Battles sold 2 shares ($281) on 2026-05-21 — de minimis
Financial Impact
~$2.07M in open-market sales; $0 from option exercises and tax-withholding
Risk Factors
- Insider sales at vesting are routine — no elevated risk
- The cluster's open-market dollar value is negligible vs market cap
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-ANET-1779837932316 |
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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