Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001193125-25-069829
Filing Date
2025-04-01
Accepted
2025-04-01 08:35:45
Documents
7

Document Format Files

Seq Description Document Type Size
1 DEFA14A d884344ddefa14a.htm DEFA14A 39374
2 GRAPHIC g884344g03a27.jpg GRAPHIC 14625
3 GRAPHIC g884344g03b28.jpg GRAPHIC 52177
4 GRAPHIC g884344g03c29.jpg GRAPHIC 48511
5 GRAPHIC g884344g03e31.jpg GRAPHIC 14744
6 GRAPHIC g884344g04f32.jpg GRAPHIC 9105
7 GRAPHIC g884344gra004.jpg GRAPHIC 9021
  Complete submission text file 0001193125-25-069829.txt   239266
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 (Filer) CIK: 0001049502 (see all company filings)

EIN.: 042277512 | State of Incorp.: MA | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 000-23621 | Film No.: 25796826
SIC: 3823 Industrial Instruments For Measurement, Display, and Control
(CF Office: 08 Industrial Applications and Services)