MKS Inc.

NASDAQ: MKSI
Share price (12/26/25): $164.19
Market cap (12/26/25): $11.0 billion

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Key Exhibits

External Links

Plans of Reorganization, Merger, Acquisition or Similar Filter

from 8-K 13 pages Amendment to the Implementation Agreement Dated 1 July 2021 Among Atotech Limited, MKS Instruments, Inc. and Atotech Manufacturing, Inc

from 10-K 12 pages Letter Agreement

from 8-K 92 pages Implementation Agreement 99 Bishopsgate London Ec2m 3xf United Kingdom Tel: +44.20.7710.1000 WWW.LW.com Contents

from DFAN14A 110 pages Agreement and Plan of Merger Among Mks Instruments, Inc., Eas Equipment, Inc. and Electro Scientific Industries, Inc. Dated as of October 29, 2018

from 8-K 110 pages Agreement and Plan of Merger Among MKS Instruments, Inc., Eas Equipment, Inc. and Electro Scientific Industries, Inc. Dated as of October 29, 2018

from 8-K 104 pages Agreement and Plan of Merger Among MKS Instruments, Inc., Psi Equipment, Inc. and Newport Corporation Dated as of February 22, 2016

from DFAN14A 104 pages Agreement and Plan of Merger Among Mks Instruments, Inc., Psi Equipment, Inc. and Newport Corporation Dated as of February 22, 2016

from SC 13D >50 pages Plan of reorganization, merger, acquisition or similar