Form 4: MKS COO Sells Shares Under Pre-Arranged 10b5-1 Plan

James Alan Schreiner, EVP & COO of MKS Inc., sold 711 shares of common stock at $138.68 per share, executed under a Rule 10b5-1 trading plan.

Summary

• James Alan Schreiner, Executive Vice President & Chief Operating Officer of MKS Inc. (MKSI), reported a sale of common stock.
• The transaction involved the disposition of 711 shares of MKS Inc. common stock.
• The shares were sold at a price of $138.68 per share.
• The sale was executed on October 22, 2025.
• Following this transaction, Mr. Schreiner beneficially owns 22,534.694 shares of MKS Inc. common stock.
• This transaction was conducted pursuant to a Rule 10b5-1 trading plan, which was adopted by Mr. Schreiner on March 12, 2025.

Sentiment

Score: 5

Explanation: The filing reports a routine, pre-scheduled insider stock sale under a 10b5-1 plan, which is generally considered neutral as it's for personal financial management rather than a reflection of company performance or outlook.

Future Outlook

NA

Industry Context

NA

Stakeholder Impact

• Shareholders: Minor impact, as it's a pre-planned, relatively small insider sale. Does not signal a change in company fundamentals.

Key Dates

Recommendation

The sale of shares by an executive under a pre-arranged Rule 10b5-1 trading plan is a routine event for personal financial planning and typically does not indicate a change in the company's fundamentals or future prospects. Therefore, it does not provide a strong signal for a buy or sell recommendation based solely on this filing.

Keywords

MKS Inc., MKSI, Insider Trading, Form 4, Stock Sale, Executive Compensation, 10b5-1 Plan, James Alan Schreiner