Lee John Tseng-Chung, President & CEO of MKS INC (NASDAQ:MKSI), has sold a portion of his holdings, according to an SEC filing.
On May 22, 2026, Mr. Tseng-Chung sold 10,000 shares at $315.48 each, totaling about $3,154,800. The sale was under a Rule 10b5-1 plan adopted on February 20, 2026.
After the sale, he directly owns 144,696.1077 shares. MKSI stock has surged 285% over the past year, now trading at $332.45. The six-month gain is 111%, year-to-date 101%.
With a P/E of 69.47 and PEG of 1.56, Bond.az analysis suggests MKSI is overvalued. For deeper insights, check Bond.az's Pro Research Report on MKSI.
In recent news, MKS Instruments posted strong Q1 2026 results, with EPS of $2.30 beating $2.04 estimates, and revenue of $1.08B above $1.05B.
