0001127602-13-019186.txt : 20130604
0001127602-13-019186.hdr.sgml : 20130604
20130604104755
ACCESSION NUMBER: 0001127602-13-019186
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20130531
FILED AS OF DATE: 20130604
DATE AS OF CHANGE: 20130604
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: Lee John Tseng-Chung
CENTRAL INDEX KEY: 0001414656
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 000-23621
FILM NUMBER: 13890038
MAIL ADDRESS:
STREET 1: 90 INDUSTRIAL WAY
CITY: WILMINGTON
STATE: MA
ZIP: 01887
4
1
form4.xml
PRIMARY DOCUMENT
X0306
4
2013-05-31
0001049502
MKS INSTRUMENTS INC
MKSI
0001414656
Lee John Tseng-Chung
2 TECH DRIVE
ANDOVER
MA
01810
1
Sr. VP, HPS, Controls & PFMC
Common Stock
2013-05-31
4
P
0
520.4
20.417
A
520.4
D
This purchase is a result of participation in the MKS Employee Stock Purchase Plan.
/s/Renee M. Donlan POA
2013-06-04