0001127602-23-015342.txt : 20230512 0001127602-23-015342.hdr.sgml : 20230512 20230512105244 ACCESSION NUMBER: 0001127602-23-015342 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230511 FILED AS OF DATE: 20230512 DATE AS OF CHANGE: 20230512 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: 23913915 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 X0407 4 2023-05-11 0001049502 MKS INSTRUMENTS INC MKSI 0001256715 COLELLA GERARD G C/O MKS INSTRUMENTS, INC. 2 TECH DRIVE, SUITE 201 ANDOVER MA 01810 1 0 Common Stock 2023-05-11 5 G 0 E 1000 0 D 98017 I By The Gerald G. Colella Living Trust Common Stock 1746.684 D /s/ M. Kathryn Rickards, attorney-in-fact 2023-05-12