This insider cluster is routine and non-informative: sales total <0.1% of market cap, most sellers also exercised options (indicating cashless exercise), and academic literature shows cluster sells have no predictive power. No trading action warranted.
Price Chart
Executive Summary
Three Entegris insiders (SVP HR, SVP/General Counsel, President of Materials Solutions) sold a combined ~$1.27M in open-market sales over a 4-day window. The President & CEO (Reeder David) also had a tax-withholding share surrender. Total open-market sales represent ~0.006% of the $23.0B market cap, a trivial amount. Per academic literature, insider sales are weak signals (often liquidity- or vesting-driven), and this dollar value is far below the 0.1% materiality threshold. The sales are likely routine portfolio diversification.
Key Financial Metrics
Key Facts
- Three insiders sold shares in open market: Rice (SVP HR) $308K, Colella (SVP/GC) $644K, Blachier (President, Materials Solutions) $321K
- Total open-market sales = ~$1.27M, or ~0.006% of $23.0B market cap
- CEO Reeder David had a non-cash tax-withholding event (5,386 shares surrendered, $809K), which is routine and not economically meaningful
- Two of the three open-market sellers (Colella and Blachier) simultaneously exercised options, a common pattern of cashless exercise-and-sell for liquidity/tax purposes
- All sales occurred within a 7-day window, consistent with routine 10b5-1 plans or a shared open trading window after earnings
Financial Impact
Total open-market sales of ~$1.27M represent 0.006% of market cap — immaterial
Risk Factors
- Insider selling pattern could be misread as bearish by retail traders despite academic evidence of non-informativeness
- No fundamental risk indicated — sales are trivial relative to company size
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-ENTG-1787160344323 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 17, 2026 6w ago | Insider Cluster | $163.09 $129.64 | ▼ −20.51% | ▼ −18.53% | $166.47 (+2.07%) |
Aug 17, 2026 6w ago | Insider Cluster | $163.09 $129.64 | ▼ −20.51% | ▼ −18.53% | $166.47 (+2.07%) |
Aug 14, 2026 7w ago | Insider Cluster | $161.76 $128.52 | ▼ −20.55% | ▼ −18.56% | $166.47 (+2.91%) |
Jul 29, 2026 9w ago | 8-K | $117.11 $145.31 | ▲ +24.08% | ▲ +20.11% | $166.47 (+42.15%) |
Jul 15, 2026 11w ago | 8-K | $138.69 $161.08 | ▲ +16.14% | ▲ +13.80% | $166.47 (+20.03%) |
Jun 12, 2026 16w ago | Institutional Cluster | $150.52 $145.35 | ▼ −3.43% | ▼ −5.21% | $166.47 (+10.60%) |
Jun 4, 2026 17w ago | Insider Cluster | $139.22 $146.66 | ▲ +5.34% | ▲ +6.97% | $166.47 (+19.57%) |
May 18, 2026 19w ago | Insider Cluster | $127.23 $162.89 | ▲ +28.02% | ▲ +25.83% | $166.47 (+30.84%) |
May 18, 2026 19w ago | Insider Cluster | $127.23 $162.89 | ▲ +28.02% | ▲ +25.83% | $166.47 (+30.84%) |
May 18, 2026 19w ago | Insider Cluster | $127.23 $162.89 | ▲ +28.02% | ▲ +25.83% | $166.47 (+30.84%) |
US Market Status
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