0001127602-24-003524.txt : 20240206
0001127602-24-003524.hdr.sgml : 20240206
20240206143956
ACCESSION NUMBER: 0001127602-24-003524
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20240205
FILED AS OF DATE: 20240206
DATE AS OF CHANGE: 20240206
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Lee John Tseng-Chung
CENTRAL INDEX KEY: 0001414656
ORGANIZATION NAME:
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 000-23621
FILM NUMBER: 24599668
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]
ORGANIZATION NAME: 08 Industrial Applications and Services
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
X0508
4
2024-02-05
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
0
Restricted Stock Unit
2024-02-05
4
A
0
69279.091
A
Common Stock
69279.091
146804.708
D
Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of MKS Instruments, Inc.
These RSUs were subject to performance criteria, the achievement of which was determined on February 5, 2024, and thereafter vest in three equal annual installments beginning on February 15, 2024, 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
2024-02-06