0001127602-18-007489.txt : 20180221 0001127602-18-007489.hdr.sgml : 20180221 20180221135253 ACCESSION NUMBER: 0001127602-18-007489 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180220 FILED AS OF DATE: 20180221 DATE AS OF CHANGE: 20180221 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: HANLEY PETER CENTRAL INDEX KEY: 0001185717 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-23621 FILM NUMBER: 18627849 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 2018-02-20 0001049502 MKS INSTRUMENTS INC MKSI 0001185717 HANLEY PETER 2 TECH DRIVE, SUITE 201 ANDOVER MA 01810 1 Common Stock 2018-02-20 4 S 0 350 115.104 D 2422.102 D /s/ M. Kathryn Rickards, attorney-in-fact 2018-02-21