0001127602-24-005319.txt : 20240216
0001127602-24-005319.hdr.sgml : 20240216
20240216145840
ACCESSION NUMBER: 0001127602-24-005319
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20240215
FILED AS OF DATE: 20240216
DATE AS OF CHANGE: 20240216
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: 24647692
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
2024-02-15
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
Common Stock
2024-02-15
4
M
0
9235.403
A
87373.1637
D
Common Stock
2024-02-15
4
M
0
3777.847
A
91151.0107
D
Common Stock
2024-02-15
4
M
0
14041
A
105192.0107
D
Common Stock
2024-02-15
4
M
0
6734
A
111926.0107
D
Common Stock
2024-02-15
4
M
0
23093
A
135019.0107
D
Common Stock
2024-02-15
4
M
0
7653
A
142672.0107
D
Common Stock
2024-02-15
4
F
0
30231
122.15
D
112441.0107
D
Restricted Stock Unit
2024-02-15
4
A
0
22607.994
A
Common Stock
22607.994
169412.702
D
Restricted Stock Unit
2024-02-15
4
M
0
9235.403
D
Common Stock
9235.403
160177.299
D
Restricted Stock Unit
2024-02-15
4
M
0
3777.847
D
Common Stock
3777.847
156399.452
D
Restricted Stock Unit
2024-02-15
4
M
0
14041
D
Common Stock
14041
142358.452
D
Restricted Stock Unit
2024-02-15
4
M
0
6734
D
Common Stock
6734
135624.452
D
Restricted Stock Unit
2024-02-15
4
M
0
23093
D
Common Stock
23093
112531.452
D
Restricted Stock Unit
2024-02-15
4
M
0
7653
D
Common Stock
7653
104878.452
D
Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of MKS Instruments, Inc.
These shares were withheld by MKS Instruments, Inc. to satisfy the tax withholding obligations triggered by the vesting of RSUs and do not represent a discretionary trade by the reporting person.
These RSUs vest in three equal annual installments commencing on February 15, 2025, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.
These RSUs were subject to performance criteria, the achievement of which was determined on January 21, 2022, and thereafter vest in three equal annual installments beginning on February 15, 2022, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.
These RSUs vest in three equal annual installments commencing on February 15, 2022, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.
These RSUs were subject to performance criteria, the achievement of which was determined on February 8, 2023, and thereafter vest in three equal annual installments beginning on February 15, 2023, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.
These RSUs vest in three equal annual installments commencing on February 15, 2023, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.
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.
These RSUs vest in three equal annual installments commencing 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
2024-02-16