The insider sales are routine and tiny relative to market cap — no bearish signal. The strong Q1 beat and above-consensus Q2 guidance are the dominant narrative. Monitor the May 7 earnings call for commentary on tariff impacts and AI-driven demand sustainability, but this cluster does not warrant any defensive positioning.
Price Chart
Executive Summary
Two MKSI executives (EVP/GC and EVP/GM) sold a combined $2.3M in open-market sales on May 11, 2026, just 5 days after the company reported a strong Q1 beat and raised Q2 guidance. The sales represent ~0.01% of market cap — trivial relative to the $21.6B company. Seven directors received non-cash stock grants on the same day, carrying no economic signal. The insider selling is routine and does not offset the positive earnings momentum.
Key Financial Metrics
Key Facts
- Two EVPs sold a combined $2.30M in open-market sales at ~$319.93/share
- Sales represent ~0.01% of MKSI's $21.6B market cap — immaterial
- Seven directors received non-cash stock grants of 782 shares each ($0 value) on the same day
- Q1 2026 revenue of $1,078M beat guidance; Non-GAAP EPS of $2.30 above high end
- Q2 2026 guidance calls for revenue of $1,200M ± $40M and Non-GAAP EPS of $2.90 ± $0.30
- Revenue grew 15.2% YoY; Semiconductor segment up 12.8% YoY
Financial Impact
Total insider sales of $2.30M, or ~0.01% of market cap — negligible
Risk Factors
- Q2 guidance includes assumptions on U.S. import tariffs and retaliatory measures — tariff escalation could pressure margins
- Convertible notes reclassified as short-term debt ($1.4B) due to stock price trigger — potential dilution if converted
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-MKSI-1778613612242 |
Track record builds as more directional reports settle.
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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