James Alan Schreiner, serving as Executive Vice President and Chief Operating Officer for MKS INC (NASDAQ: MKSI), completed a stock transaction on June 10, 2026, resulting in the disposal of 781 common shares. The sale was executed at a price of $317.42 per share, generating total proceeds of $247,905. According to a recent Securities and Exchange Commission (SEC) filing, this divestment was conducted under the parameters of a Rule 10b5-1 trading plan. Mr. Schreiner originally adopted this pre-arranged trading framework on March 10, 2026. Following the completion of this transaction, his direct ownership position in MKS INC common stock stands at 22,701.121 shares.
The executive sale coincides with a period of significant price appreciation for MKSI. The stock is currently trading at $333.97, which sits in close proximity to its 52-week high of $341.81. This current valuation follows a remarkable 239% gain over the past year. At this price level, MKSI trades at a price-to-earnings (P/E) ratio of 68.91 and commands a market capitalization of $22.61 billion. According to InvestingPro analysis, the stock appears overvalued relative to its Fair Value estimate, placing it among companies on the Most Overvalued list. For deeper insights into MKSI’s valuation and 15+ additional ProTips, investors can access the comprehensive Pro Research Report available exclusively on InvestingPro.
Operational momentum for the company remains strong. MKS Instruments recently reported financial results for the first quarter of 2026 that exceeded both earnings and revenue expectations. The company achieved an earnings per share of $2.30, surpassing the forecasted $2.04, which resulted in a 12.75% earnings surprise. Additionally, MKS Instruments’ revenue reached $1.08 billion, beating the anticipated $1.05 billion, reflecting a 2.86% surprise.
In related developments, Mizuho raised its price target for MKS Instruments to $400 from $390, while maintaining an Outperform rating. This adjustment is based on increased wafer fab equipment estimates for 2026 and 2027, driven by anticipated growth in AI logic and memory fab capacity expansion. Mizuho’s revised estimates for wafer fab equipment are $153 billion and $190 billion for 2026 and 2027, respectively, up from previous estimates. These recent developments highlight significant momentum for MKS Instruments in the market.
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