0001127602-21-002514.txt : 20210126
0001127602-21-002514.hdr.sgml : 20210126
20210126140029
ACCESSION NUMBER: 0001127602-21-002514
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20210125
FILED AS OF DATE: 20210126
DATE AS OF CHANGE: 20210126
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: 21552977
MAIL ADDRESS:
STREET 1: 90 INDUSTRIAL WAY
CITY: WILMINGTON
STATE: MA
ZIP: 01887
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
2021-01-25
0001049502
MKS INSTRUMENTS INC
MKSI
0001414656
Lee John Tseng-Chung
C/O MKS INSTRUMENTS, INC.
2 TECH DRIVE, SUITE 201
ANDOVER
MA
01810
1
1
President & CEO
Restricted Stock Unit
2021-01-25
4
A
0
22604.724
A
Common Stock
22604.724
51549.729
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 25, 2021 and thereafter vest in three equal annual installments beginning on February 15, 2021, 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
2021-01-25