Schreiner James Alan plan to sell securities of MKS INC under Form 144

Schreiner James Alan filed Form 144 to notify SEC of plan to sell 3500 units of MKS INC securities around 2026-06-12, with aggregate market value of $1,210,370.16. The total outstanding units is 67544129.0. The amount planned to be sold represents 0.01% of total outstanding units; Recent transactions in past 3 months include: On 06/10/2026, sold 781 units for $247905.02;