Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001127602-13-016068
Filing Date
2013-05-08
Accepted
2013-05-08 12:53:02
Documents
1
Period of Report
2013-05-06

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT form4.html 4  
1 PRIMARY DOCUMENT form4.xml 4 3220
  Complete submission text file 0001127602-13-016068.txt   4478
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)

EIN.: 042277512 | State of Incorp.: MA | Fiscal Year End: 1231
SIC: 3823 Industrial Instruments For Measurement, Display, and Control

Mailing Address
Business Address
HANLEY PETER (Reporting) CIK: 0001185717 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-23621 | Film No.: 13823601