# MKS INC — SC TO-I

MKS INC of ANDOVER, MA filed a SC TO-I with the SEC on 2009-08-03. Industry: Industrial Instruments For Measurement, Display, and Control.

## Filing

- Filed: 2009-08-03
- Form: SC TO-I
- Accession: 0000950123-09-028661
- Registrant: MKS INC
- CIK: 0001049502
- Industry (SIC): Industrial Instruments For Measurement, Display, and Control (3823)
- State of incorporation: MA
- Location: ANDOVER, MA

## Documents (48)

_Showing 15 of 48 documents._

| Seq | Type | Description |
| --- | --- | --- |
| 1 | SC TO-I | SC TO-I |
| 2 | EX-99.(A)(1)(A) | EX-99.(A)(1)(A) OFFER TO EXCHANGE CERTAIN OUTSTANDING OPTIONS FOR RESTRICTED STO |
| 3 | EX-99.(A)(1)(B) | EX-99.(A)(1)(B) FORM OF EMAIL TO ELIGIBLE EMPLOYEES REGARDING THE EXCHANGE OFFER |
| 4 | EX-99.(A)(1)(C) | EX-99.(A)(1)(C) FORM OF ELECTION FORM |
| 5 | EX-99.(A)(1)(D) | EX-99.(A)(1)(D) FORM OF WITHDRAWL FORM |
| 6 | EX-99.(A)(1)(E) | EX-99.(A)(1)(E) FORM OF CONFIRMATION E-MAIL/MEMO TO EMPLOYEES |
| 7 | EX-99.(A)(1)(F) | EX-99.(A)(1)(F) FORM OF REMINDER E-MAIL TO ELIGIBLE EMPLOYEES |
| 8 | EX-99.(A)(1)(G) | EX-99.(A)(1)(G) SCREEN SHOTS OF THE EXCHANGE OFFER WEBSITE |
| 9 | EX-99.(A)(1)(H) | EX-99.(A)(1)(H) SCREEN SHOTS OF ILLUSTRATIVE CALCULATOR TO CALCULATE NUMBER OF R |
| 10 | EX-99.(A)(1)(I) | EX-99.(A)(1)(I) FORM OF E-MAIL REGARDING ACTUAL EXCHANGE RATIOS |
| 11 | EX-99.(A)(1)(J) | EX-99.(A)(1)(J) FORM OF E-MAIL REGARDING CONFERENCE CALL ON DAY THE EXCHANGE OFF |
| 12 | EX-99.(A)(1)(K) | EX-99.(A)(1)(K) SCRIPT FOR PHONE REPRESENTATIVES |
| 13 | EX-99.(D)(4) | EX-99.(D)(4) FORM OF RESTRICTED STOCK UNIT AGREEMENT FOR THE OFFER TO EXCHANGE |
| 14 | GRAPHIC | GRAPHIC |
| 15 | GRAPHIC | GRAPHIC |

## Filing timeline for this registrant (60)

_Showing 12 of 60 filings._

| Filed | Form |
| --- | --- |
| [2026-03-31](https://search.stillhousedata.com/proxy/0001193125-26-133389) | DEFA14A |
| [2026-03-31](https://search.stillhousedata.com/proxy/0001193125-26-133378) | DEF 14A |
| [2026-03-20](https://search.stillhousedata.com/proxy/0001193125-26-117622) | PRE 14A |
| [2025-04-01](https://search.stillhousedata.com/proxy/0001193125-25-069829) | DEFA14A |
| [2025-04-01](https://search.stillhousedata.com/proxy/0001193125-25-069811) | DEF 14A |
| [2025-03-21](https://search.stillhousedata.com/proxy/0001193125-25-060220) | PRE 14A |
| [2024-03-27](https://search.stillhousedata.com/proxy/0001193125-24-078879) | DEFA14A |
| [2024-03-27](https://search.stillhousedata.com/proxy/0001193125-24-078875) | DEF 14A |
| [2023-04-05](https://search.stillhousedata.com/proxy/0001193125-23-091660) | DEFA14A |
| [2023-04-05](https://search.stillhousedata.com/proxy/0001193125-23-091658) | DEF 14A |
| [2022-03-31](https://search.stillhousedata.com/proxy/0001193125-22-091844) | DEFA14A |
| [2022-03-31](https://search.stillhousedata.com/proxy/0001193125-22-091831) | DEF 14A |

## More

- [CIK 1049502 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1049502&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950123-09-028661.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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