Top executives liquidating shares may signal reduced confidence in near-term performance or valuation; traders should monitor upcoming earnings, guidance, and any follow-up filings for further selling or commentary.
Price Chart
Executive Summary
Two executives at MKS Instruments (MKSI) sold shares in the past week, including COO James Alan Schreiner and CEO Gerald G. Colella, realizing over $6.1 million in proceeds. The sales were open-market transactions, with no indication of pre-arranged 10b5-1 plans, suggesting potential near-term caution.
Key Financial Metrics
Key Facts
- EVP & COO James Alan Schreiner sold 4,100 shares for $1,045,500 on February 24, 2026.
- CEO Gerald G. Colella sold 10,000 shares on February 24 for $2,539,675 and another 10,000 shares on February 20 for $2,528,999.
- Total insider selling in the last 7 days: $6,114,174 across 3 transactions by 2 insiders.
- All transactions were open-market sales (code 'S'), not automatic plan sales.
Financial Impact
$6.11 million in insider selling by top executives
Risk Factors
- Insider selling can precede negative news or earnings disappointment.
- Lack of 10b5-1 plan disclosure increases concern that sales are discretionary and information-driven.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CONTEXT: Insider Cluster Data (3 trades, 7d window) | cluster-MKSI-1772038239535 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 1, 2026 4w ago | 144 | $246.44 $265.36 | ▲ +7.68% | ▲ +7.36% | $282.86 (+14.78%) |
Jul 13, 2026 11w ago | Press Release | $352.03 $290.59 | ▼ −17.45% | ▼ −20.64% | $282.86 (−19.65%) |
Jun 8, 2026 16w ago | Insider Cluster | $312.09 $368.06 | ▲ +17.93% | ▲ +16.30% | $282.86 (−9.37%) |
Jun 2, 2026 17w ago | Insider Cluster | $329.66 $411.05 | ▲ +24.69% | ▲ +26.51% | $282.86 (−14.20%) |
Jun 2, 2026 17w ago | Insider Cluster | $329.66 $411.05 | ▲ +24.69% | ▲ +26.51% | $282.86 (−14.20%) |
May 28, 2026 18w ago | Insider Cluster | $323.41 $410.31 | ▲ +26.87% | ▲ +29.56% | $282.86 (−12.54%) |
May 28, 2026 18w ago | Insider Cluster | $323.41 $410.31 | ▲ +26.87% | ▲ +29.56% | $282.86 (−12.54%) |
May 26, 2026 18w ago | Insider Cluster | $332.43 $389.17 | ▲ +17.07% | ▲ +19.33% | $282.86 (−14.91%) |
May 26, 2026 18w ago | Insider Cluster | $332.43 $389.17 | ▲ +17.07% | ▲ +19.33% | $282.86 (−14.91%) |
May 19, 2026 19w ago | Insider Cluster | $293.92 $366.31 | ▲ +24.63% | ▲ +22.37% | $282.86 (−3.76%) |
US Market Status
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