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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001127602-21-002514
Filing Date
2021-01-26
Accepted
2021-01-26 14:00:29
Documents
1
Period of Report
2021-01-25

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT form4.html 4  
1 PRIMARY DOCUMENT form4.xml 4 4061
  Complete submission text file 0001127602-21-002514.txt   5425
Mailing Address 2 TECH DRIVE SUITE 201 ANDOVER MA 01810
Business Address 2 TECH DRIVE SUITE 201 ANDOVER MA 01810 978-645-5500
MKS INSTRUMENTS INC (Issuer) CIK: 0001049502 (see all company filings)

IRS No.: 042277512 | State of Incorp.: MA | Fiscal Year End: 1231
SIC: 3823 Industrial Instruments For Measurement, Display, and Control

Mailing Address 90 INDUSTRIAL WAY WILMINGTON MA 01887
Business Address
Lee John Tseng-Chung (Reporting) CIK: 0001414656 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-23621 | Film No.: 21552977