0001127602-21-030391.txt : 20211206 0001127602-21-030391.hdr.sgml : 20211206 20211206192455 ACCESSION NUMBER: 0001127602-21-030391 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20211203 FILED AS OF DATE: 20211206 DATE AS OF CHANGE: 20211206 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: BAGSHAW SETH H CENTRAL INDEX KEY: 0001192439 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-23621 FILM NUMBER: 211474325 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: MKS INSTRUMENTS INC CENTRAL INDEX KEY: 0001049502 STANDARD INDUSTRIAL CLASSIFICATION: INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823] IRS NUMBER: 042277512 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 2 TECH DRIVE STREET 2: SUITE 201 CITY: ANDOVER STATE: MA ZIP: 01810 BUSINESS PHONE: 978-645-5500 MAIL ADDRESS: STREET 1: 2 TECH DRIVE STREET 2: SUITE 201 CITY: ANDOVER STATE: MA ZIP: 01810 4 1 form4.xml PRIMARY DOCUMENT X0306 4 2021-12-03 0001049502 MKS INSTRUMENTS INC MKSI 0001192439 BAGSHAW SETH H C/O MKS INSTRUMENTS, INC. 2 TECH DRIVE, SUITE 201 ANDOVER MA 01810 1 Sr. VP, CFO & Treasurer Common Stock 2021-12-03 4 M 0 325 A 22317.122 D Common Stock 2021-12-03 4 M 0 194 A 22511.122 D Common Stock 2021-12-03 4 F 0 519 156.09 D 21992.122 D Restricted Stock Unit 2021-12-03 4 M 0 325 D Common Stock 325 26744.643 D Restricted Stock Unit 2021-12-03 4 M 0 194 D Common Stock 194 26550.643 D Each restricted stock unit represents the contingent right to receive one share of common stock of MKS Instruments, Inc. Shares used to satisfy FICA taxes. Portion of 2020 RSU Award accelerated to satisfy FICA taxes. Portion of 2021 RSU Award accelerated to satisfy FICA taxes. /s/ M. Kathryn Rickards, attorney-in-fact 2021-12-06