0001127602-20-002539.txt : 20200128 0001127602-20-002539.hdr.sgml : 20200128 20200128180235 ACCESSION NUMBER: 0001127602-20-002539 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20200127 FILED AS OF DATE: 20200128 DATE AS OF CHANGE: 20200128 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Burke Kathleen Flaherty CENTRAL INDEX KEY: 0001775435 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-23621 FILM NUMBER: 20555791 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 2020-01-27 0001049502 MKS INSTRUMENTS INC MKSI 0001775435 Burke Kathleen Flaherty C/O MKS INSTRUMENTS, INC. 2 TECH DRIVE, SUITE 201 ANDOVER MA 01810 1 Sr. VP, GC & Secretary Restricted Stock Unit 2020-01-27 4 A 0 3872.491 A Common Stock 3872.491 20053.79 D Each restricted stock unit represents the contingent right to receive one share of common stock of MKS Instruments, Inc. These RSUs were subject to performance criteria, achievement of which was determined on January 27, 2020 and thereafter vest in three equal installments beginning on February 15, 2020, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day. /s/ M. Kathryn Rickards, attorney-in-fact 2020-01-28