0001127602-17-021690.txt : 20170619 0001127602-17-021690.hdr.sgml : 20170619 20170619143339 ACCESSION NUMBER: 0001127602-17-021690 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170606 FILED AS OF DATE: 20170619 DATE AS OF CHANGE: 20170619 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 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Werth Dennis L CENTRAL INDEX KEY: 0001550572 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-23621 FILM NUMBER: 17918248 MAIL ADDRESS: STREET 1: 1791 DEERE AVENUE CITY: IRVINE STATE: CA ZIP: 92606 4 1 form4.xml PRIMARY DOCUMENT X0306 4 2017-06-06 0001049502 MKS INSTRUMENTS INC MKSI 0001550572 Werth Dennis L 2 TECH DRIVE SUITE 201 ANDOVER MA 01810 1 Sr. VP, Business Units Common Stock 2017-06-06 5 L 0 E 16.437 84.95 A 7995.437 I By The Werth Family Trust Common Stock 0 D In lieu of filing a Form 5, Reporting Person is reporting this small acquisition under Rule 16a-6 on Form 4. /s/ M. Kathryn Rickards, attorney-in-fact 2017-06-19