0001127602-21-017703.txt : 20210521 0001127602-21-017703.hdr.sgml : 20210521 20210521111612 ACCESSION NUMBER: 0001127602-21-017703 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210520 FILED AS OF DATE: 20210521 DATE AS OF CHANGE: 20210521 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Henry David Philip CENTRAL INDEX KEY: 0001842459 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-23621 FILM NUMBER: 21947399 MAIL ADDRESS: STREET 1: MKS INSTRUMENTS, INC., 2 TECH DRIVE STREET 2: SUITE 201 CITY: ANDOVER STATE: MA ZIP: 01810 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 2021-05-20 0001049502 MKS INSTRUMENTS INC MKSI 0001842459 Henry David Philip C/O MKS INSTRUMENTS, INC. 2 TECH DRIVE, SUITE 201 ANDOVER MA 01810 1 SVP, Corp Mkt, PMO & Glob Svc Common Stock 2021-05-20 4 S 0 284 186.698 D 1805.58 D /s/ M. Kathryn Rickards, attorney-in-fact 2021-05-21