# Filing Detail

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001193125-22-091844
Filing Date
2022-03-31
Accepted
2022-03-31 16:24:02
Documents
3

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | NOTICE AND ACCESS | d302172ddefa14a.htm | DEFA14A | 11352
2 | GRAPHIC | g302172g00k04.jpg | GRAPHIC | 470525
3 | GRAPHIC | g302172g00k05.jpg | GRAPHIC | 269847
| Complete submission text file | 0001193125-22-091844.txt |  | 1032178

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.: 22792917
SIC: 3823 Industrial Instruments For Measurement, Display, and Control