MKS Inc SEC filings MKSI
MKS Inc has 1,001 filings in SEC EDGAR's recent list, going back to Nov 5, 2014. Its latest annual report, Form ARS, was filed on Mar 31, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations, bylaw or fiscal year change, regulation fd disclosure, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SD | Specialized disclosure (conflict minerals) | May 28, 2026 | — |
| SD | Specialized disclosure (conflict minerals) | May 29, 2025 | — |
| SD | Specialized disclosure (conflict minerals) | May 23, 2024 | — |
| EFFECT | Filing | Feb 29, 2024 | — |
| SD | Specialized disclosure (conflict minerals) | May 25, 2023 | — |
| NT 10-K | Filing | Feb 27, 2023 | Dec 31, 2022 |
| SD | Specialized disclosure (conflict minerals) | May 26, 2022 | — |
| SD | Specialized disclosure (conflict minerals) | May 27, 2021 | — |
| 425 | Filing | Mar 8, 2021 | — |
| 425 | Filing | Feb 17, 2021 | — |
| 425 | Filing | Feb 16, 2021 | — |
| 425 | Filing | Feb 8, 2021 | — |
| SD | Specialized disclosure (conflict minerals) | May 29, 2020 | — |
| SD | Specialized disclosure (conflict minerals) | May 30, 2019 | — |
| DFAN14A | 8-k | Dec 14, 2018 | — |
| DFAN14A | 8-k | Nov 1, 2018 | — |
| DFAN14A | 8-k | Oct 30, 2018 | — |
| DFAN14A | Form 8-k | Oct 30, 2018 | — |
| SD | Specialized disclosure (conflict minerals) | May 30, 2018 | — |
| SD | Specialized disclosure (conflict minerals) | May 30, 2017 | — |
| UPLOAD | Letter from the SEC | May 1, 2017 | — |
| CORRESP | Letter to the SEC | Apr 28, 2017 | — |
| UPLOAD | Letter from the SEC | Apr 19, 2017 | — |
| CT ORDER | Filing | Jan 5, 2017 | — |
| CT ORDER | Filing | Jan 5, 2017 | — |
| CT ORDER | Filing | Jan 5, 2017 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2016 | — |
| CT ORDER | Filing | Mar 18, 2016 | — |
| DFAN14A | 8-k | Mar 2, 2016 | — |
| DFAN14A | Form 8-k | Feb 23, 2016 | — |
| DFAN14A | 8-k | Feb 23, 2016 | — |
| CT ORDER | Filing | Sep 2, 2015 | — |
| CT ORDER | Filing | Sep 2, 2015 | — |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2015 | — |
| CT ORDER | Filing | Mar 20, 2015 | — |
| CT ORDER | Filing | Dec 19, 2014 | — |
Showing 36 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Industrial Instruments For Measurement, Display, and Control (SIC 3823)
- Listed as
- MKSI (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- MA
- Headquarters
- Andover, MA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1049502
- Former names
- MKS INSTRUMENTS INC (until May 15, 2025)
Other Industrial Instruments For Measurement, Display, and Control companies
- Danaher Corp /DE/ DHR
- Ametek INC/ AME
- Keysight Technologies, Inc. KEYS
- Roper Technologies Inc ROP
- Fortive Corp FTV
- Cognex Corp CGNX
- Ralliant Corp RAL
- Sensata Technologies Holding plc ST
All 18 Industrial Instruments For Measurement, Display, and Control companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.