0001127602-20-002533.txt : 20200128 0001127602-20-002533.hdr.sgml : 20200128 20200128175128 ACCESSION NUMBER: 0001127602-20-002533 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: COLELLA GERARD G CENTRAL INDEX KEY: 0001256715 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-23621 FILM NUMBER: 20555760 MAIL ADDRESS: STREET 1: 6 SHATTUCK RD 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 0001256715 COLELLA GERARD G C/O MKS INSTRUMENTS, INC. 2 TECH DRIVE, SUITE 201 ANDOVER MA 01810 1 Restricted Stock Unit 2020-01-27 4 A 0 21782.763 A Common Stock 21782.763 83386.182 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. On January 1, 2020, Mr. Colella retired as Chief Executive Officer of the Company. Pursuant to the terms of his restricted stock unit agreement governing this award, upon retirement, all of these RSUs will vest on February 18, 2020 but only 7,260.921 shares will be distributed on this date. The remaining shares are subject to Section 409A of the Internal Revenue Code and will be distributed on July 2, 2020. /s/ M. Kathryn Rickards, attorney-in-fact 2020-01-28