Ramakumar Mayampurath, Executive Vice President & CFO, on May 22, 2026, sold 8,810 shares in MKS (MKSI) for $2,779,379. Following the Form 4 filing with the SEC, Mayampurath has control over a total of 1 common share of the company, with 1 share held directly.
SEC Filing:
https://www.sec.gov/Archives/edgar/data/1049502/000104950226000090/xslF345X05/form4.xml
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