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
8-K Current report
Results of operations, Bylaw or fiscal year change, Regulation FD disclosure, Other events
 Nov 4, 2026 Nov 2, 2026
8-K Current report
Other events
 Oct 19, 2026 Oct 19, 2026
8-K Current report
Results of operations
 Aug 5, 2026 Aug 5, 2026
8-K Current report
Officer or director change, Shareholder vote results
 May 12, 2026 May 11, 2026
8-K Current report
Results of operations
 May 6, 2026 May 6, 2026
8-K Current report
Officer or director change
 Apr 6, 2026 Mar 31, 2026
8-K Current report
Results of operations
 Feb 17, 2026 Feb 17, 2026
8-K Current report
Material agreement, New debt, Regulation FD disclosure
 Feb 5, 2026 Feb 4, 2026
8-K Current report
Other events
 Jan 28, 2026 Jan 26, 2026
8-K Current report
Results of operations, Regulation FD disclosure
 Jan 21, 2026 Jan 21, 2026
8-K Current report
Results of operations
 Nov 5, 2025 Nov 5, 2025
8-K Current report
Results of operations
 Aug 6, 2025 Aug 6, 2025
8-K Current report
Change to shareholder rights, Officer or director change, Bylaw or fiscal year change, Shareholder vote results, Regulation FD disclosure
 May 15, 2025 May 12, 2025
8-K Current report
Results of operations
 May 7, 2025 May 7, 2025
8-K Current report
Results of operations
 Feb 12, 2025 Feb 12, 2025
8-K Current report
Material agreement, New debt, Regulation FD disclosure
 Jan 24, 2025 Jan 24, 2025
8-K Current report
Bylaw or fiscal year change
 Dec 3, 2024 Dec 2, 2024
8-K Current report
Results of operations
 Nov 6, 2024 Nov 6, 2024
8-K Current report
Officer or director change, Regulation FD disclosure
 Nov 5, 2024 Nov 4, 2024
8-K Current report
Officer or director change, Regulation FD disclosure
 Aug 13, 2024 Aug 5, 2024
8-K Current report
Results of operations
 Aug 7, 2024 Aug 7, 2024
8-K Current report
Material agreement, New debt, Regulation FD disclosure
 Jul 23, 2024 Jul 23, 2024
8-K Current report
Regulation FD disclosure
 Jun 20, 2024 Jun 20, 2024
8-K Current report
Material agreement, New debt, Unregistered share sale
 May 16, 2024 May 16, 2024
8-K Current report
Other events
 May 14, 2024 May 13, 2024
8-K Current report
Other events
 May 13, 2024 May 13, 2024
8-K Current report
Results of operations
 May 8, 2024 May 8, 2024
8-K Current report
Officer or director change, Shareholder vote results
 May 8, 2024 May 7, 2024
8-K Current report
Officer or director change
 Apr 1, 2024 Apr 1, 2024
8-K Current report
Material agreement, New debt
 Feb 14, 2024 Feb 13, 2024
8-K Current report
Officer or director change
 Feb 8, 2024 Feb 5, 2024
8-K Current report
Results of operations
 Feb 7, 2024 Feb 7, 2024
8-K Current report
Material agreement, New debt, Regulation FD disclosure
 Jan 22, 2024 Jan 22, 2024
8-K Current report
Officer or director change, Regulation FD disclosure
 Dec 4, 2023 Dec 1, 2023
8-K Current report
Results of operations
 Nov 1, 2023 Nov 1, 2023
8-K Current report
Material agreement, New debt, Regulation FD disclosure
 Oct 3, 2023 Oct 3, 2023
8-K Current report
Results of operations
 Aug 2, 2023 Aug 2, 2023
8-K Current report
Material agreement, Other events
 Jun 5, 2023 Jun 1, 2023
8-K Current report
Shareholder vote results
 May 18, 2023 May 16, 2023
8-K Current report
Results of operations
 May 3, 2023 May 3, 2023
8-K Current report
Results of operations
 Feb 27, 2023 Feb 27, 2023
8-K Current report
Other events
 Feb 13, 2023 Feb 13, 2023
8-K Current report
Other events
 Feb 6, 2023 Feb 3, 2023
8-K Current report
Regulation FD disclosure
 Dec 13, 2022 Dec 13, 2022
8-K Current report
Results of operations
 Nov 2, 2022 Nov 2, 2022
8-K Current report
Regulation FD disclosure
 Aug 31, 2022 Aug 31, 2022
8-K/A Amended current report Aug 24, 2022 Aug 17, 2022
8-K Current report
Material agreement, Agreement ended, Acquisition or sale of assets, New debt, Unregistered share sale, Officer or director change, Other events
 Aug 17, 2022 Aug 17, 2022
8-K/A Amended current report
Officer or director change
 Aug 17, 2022 Oct 25, 2021
8-K Current report
Other events
 Jul 28, 2022 Jul 28, 2022
8-K Current report
Results of operations
 Jul 27, 2022 Jul 27, 2022
8-K Current report
Officer or director change, Shareholder vote results
 May 11, 2022 May 10, 2022
8-K Current report
Results of operations
 Apr 26, 2022 Apr 26, 2022
8-K Current report
Regulation FD disclosure
 Apr 5, 2022 Apr 5, 2022
8-K Current report
Material agreement, Agreement ended, Regulation FD disclosure
 Apr 1, 2022 Apr 1, 2022
8-K Current report
Officer or director change
 Feb 11, 2022 Feb 7, 2022
8-K Current report
Results of operations
 Jan 26, 2022 Jan 26, 2022
8-K Current report
Other events
 Dec 14, 2021 Dec 14, 2021
8-K Current report
Material agreement, Officer or director change
 Oct 29, 2021 Oct 25, 2021
8-K Current report
Results of operations
 Oct 27, 2021 Oct 27, 2021
8-K Current report
Results of operations, Regulation FD disclosure
 Oct 4, 2021 Oct 4, 2021
8-K Current report
Results of operations
 Jul 28, 2021 Jul 28, 2021
8-K Current report
Other events
 Jul 15, 2021 Jul 15, 2021
8-K Current report
Regulation FD disclosure
 Jul 8, 2021 Jul 8, 2021
8-K Current report
Material agreement
 Jul 2, 2021 Jul 1, 2021
8-K Current report
Regulation FD disclosure
 Jul 1, 2021 Jul 1, 2021
8-K Current report
Officer or director change, Shareholder vote results
 May 12, 2021 May 11, 2021
8-K Current report
Material agreement, Other events
 May 10, 2021 May 6, 2021
8-K Current report
Results of operations
 Apr 26, 2021 Apr 26, 2021
8-K Current report
Other events
 Mar 8, 2021 Mar 8, 2021
8-K Current report
Officer or director change
 Feb 26, 2021 Feb 24, 2021
8-K Current report
Other events
 Feb 17, 2021 Feb 17, 2021
8-K Current report
Other events
 Feb 16, 2021 Feb 16, 2021
8-K Current report
Other events
 Feb 8, 2021 Feb 8, 2021
8-K Current report
Results of operations
 Jan 27, 2021 Jan 27, 2021
8-K Current report
Results of operations
 Oct 27, 2020 Oct 27, 2020
8-K Current report
Results of operations
 Jul 29, 2020 Jul 29, 2020
8-K Current report
Shareholder vote results
 May 13, 2020 May 11, 2020
8-K Current report
Results of operations
 Apr 28, 2020 Apr 28, 2020
8-K Current report
Officer or director change
 Feb 12, 2020 Feb 10, 2020
8-K Current report
Results of operations
 Jan 28, 2020 Jan 28, 2020
8-K Current report
Officer or director change
 Nov 20, 2019 Nov 18, 2019
8-K Current report
Officer or director change
 Nov 1, 2019 Oct 28, 2019
8-K Current report
Results of operations
 Oct 23, 2019 Oct 23, 2019
8-K Current report
Material agreement, New debt, Regulation FD disclosure
 Oct 1, 2019 Sep 27, 2019
8-K Current report
Officer or director change
 Sep 18, 2019 Sep 16, 2019
8-K Current report
Results of operations
 Jul 30, 2019 Jul 30, 2019
8-K Current report
Officer or director change, Shareholder vote results
 May 9, 2019 May 8, 2019
8-K Current report
Results of operations
 Apr 29, 2019 Apr 29, 2019
8-K/A Amended current report Apr 15, 2019 Feb 1, 2019
8-K Current report
Material agreement, Agreement ended, Acquisition or sale of assets, New debt, Other events
 Feb 1, 2019 Feb 1, 2019
8-K Current report
Results of operations
 Jan 29, 2019 Jan 29, 2019
8-K Current report
Results of operations, Regulation FD disclosure
 Jan 9, 2019 Jan 9, 2019
8-K Current report
Other events
 Dec 14, 2018 Dec 10, 2018
8-K Current report
Other events
 Nov 1, 2018 Nov 1, 2018
8-K Current report
Officer or director change
 Nov 1, 2018 Oct 29, 2018
8-K Current report
Material agreement, Other events
 Oct 30, 2018 Oct 29, 2018
8-K Current report
Other events
 Oct 30, 2018 Oct 30, 2018
8-K Current report
Results of operations
 Oct 23, 2018 Oct 23, 2018
8-K Current report
Officer or director change
 Jul 31, 2018 Jul 30, 2018
8-K Current report
Results of operations
 Jul 24, 2018 Jul 24, 2018
8-K Current report
Officer or director change
 Jun 7, 2018 Jun 5, 2018
8-K Current report
Officer or director change, Shareholder vote results, Regulation FD disclosure
 May 11, 2018 May 9, 2018
8-K Current report
Results of operations
 Apr 24, 2018 Apr 24, 2018
8-K Current report
Material agreement, New debt, Regulation FD disclosure
 Apr 12, 2018 Apr 11, 2018
8-K Current report
Officer or director change
 Feb 15, 2018 Feb 12, 2018
8-K Current report
Results of operations
 Jan 31, 2018 Jan 31, 2018
8-K Current report
Results of operations
 Oct 24, 2017 Oct 24, 2017
8-K Current report
Results of operations
 Jul 25, 2017 Jul 25, 2017
8-K Current report
Material agreement, New debt, Regulation FD disclosure
 Jul 6, 2017 Jul 6, 2017
8-K Current report
Regulation FD disclosure
 Jun 20, 2017 Jun 20, 2017
8-K Current report
Shareholder vote results
 May 11, 2017 May 10, 2017
8-K Current report
Results of operations
 Apr 26, 2017 Apr 26, 2017
8-K Current report
Results of operations
 Feb 2, 2017 Feb 2, 2017
8-K Current report
Material agreement, New debt, Regulation FD disclosure
 Dec 14, 2016 Dec 14, 2016
8-K Current report
Officer or director change
 Oct 31, 2016 Oct 31, 2016
8-K Current report
Results of operations
 Oct 26, 2016 Oct 26, 2016
8-K Current report
Other events
 Oct 3, 2016 Oct 3, 2016
8-K Current report
Results of operations
 Jul 27, 2016 Jul 27, 2016
8-K/A Amended current report Jul 5, 2016 Apr 29, 2016
8-K Current report
Material agreement, New debt, Regulation FD disclosure
 Jun 9, 2016 Jun 9, 2016
8-K Current report
Regulation FD disclosure
 Jun 1, 2016 Jun 1, 2016
8-K Current report
Officer or director change, Shareholder vote results
 May 2, 2016 May 2, 2016
8-K Current report
Acquisition or sale of assets, New debt, Other events
 Apr 29, 2016 Apr 29, 2016
8-K Current report
Results of operations
 Apr 25, 2016 Apr 25, 2016
8-K Current report
Regulation FD disclosure
 Apr 15, 2016 Apr 15, 2016
8-K Current report
Other events
 Mar 2, 2016 Mar 2, 2016
8-K Current report
Other events
 Feb 23, 2016 Feb 23, 2016
8-K Current report
Material agreement, Other events
 Feb 23, 2016 Feb 22, 2016
8-K Current report
Results of operations
 Jan 27, 2016 Jan 27, 2016
8-K Current report
Results of operations
 Oct 21, 2015 Oct 21, 2015
8-K Current report
Results of operations
 Jul 22, 2015 Jul 22, 2015
8-K Current report
Officer or director change, Shareholder vote results
 May 4, 2015 May 4, 2015
8-K Current report
Results of operations
 Apr 22, 2015 Apr 22, 2015
8-K Current report
Officer or director change
 Feb 12, 2015 Feb 9, 2015
8-K Current report
Results of operations
 Jan 28, 2015 Jan 28, 2015

Showing 136 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)

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.