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MKS INSTRUMENTS INC

For the period ended Mar 31, 2025. Filed May 8, 2025.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2025 · Filed May 8, 2025

MKSI$211.59+10.0%Stored close · as of Nov 9, 2026

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Item 5. OTHER INFORMATION

The following table describes, for the quarterly period covered by this report, each trading arrangement for the sale or purchase of Company securities adopted or terminated by our directors and officers (as defined in Rule 16a-1(f) under the Exchange Act) that is either (1) a contract, instruction or written plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) (a “Rule 10b5-1 trading arrangement”) or (2) a “non-Rule 10b5-1 trading arrangement” (as defined in Item 408(c) of Regulation S-K):

Name (Title)Action Taken (Date of Action)Type of Trading ArrangementNature of Trading ArrangementDuration of Trading ArrangementAggregate Number of Securities
Elizabeth A. Mora (Director)Adoption (February 19, 2025)Rule 10b5-1 trading arrangementSaleUntil March 3, 2026, or such earlier date upon which all transactions are completed or expire without executionUp to 1,200 shares
David P. Henry (Executive Vice President, Operations and Corporate Marketing)Adoption (March 12, 2025)Rule 10b5-1 trading arrangementSaleUntil January 30, 2026, or such earlier date upon which all transactions are completed or expire without executionUp to 7,000 shares
James A. Schreiner (Executive Vice President and Chief Operating Officer, Materials Solutions Division)Adoption (March 12, 2025)Rule 10b5-1 trading arrangementSaleUntil October 23, 2025, or such earlier date upon which all transactions are completed or expire without executionA number of shares with a value equal to up to $300,000
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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.