Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001049502-25-000035
Filing Date
2025-11-04
Accepted
2025-11-04 16:58:14
Documents
1
Period of Report
2025-10-31

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT form4.html 4  
1 PRIMARY DOCUMENT form4.xml 4 10396
  Complete submission text file 0001049502-25-000035.txt   11889
Mailing Address 2 TECH DRIVE ANDOVER MA 01810
Business Address 2 TECH DRIVE ANDOVER MA 01810 978-645-5500
MKS 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
(CF Office: 08 Industrial Applications and Services)

Mailing Address 2 TECH DRIVE ANDOVER MA 01810
Business Address
Lee John Tseng-Chung (Reporting) CIK: 0001414656 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-23621 | Film No.: 251450395