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MKS INC

For the period ended Dec 31, 2025. Filed Feb 24, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 24, 2026

MKSI$192.27+8.7%Stored close · as of Nov 6, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this annual report on Form 10-K for the fiscal year ended December 31, 2025 to be signed on its behalf by the undersigned, thereunto duly authorized on the 24th day of February 2026.

By:/s/ John T.C. Lee

John T.C. Lee

President and Chief Executive Officer

(Principal Executive Officer)

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the date indicated.

SIGNATURESTITLEDATE
/s/ Gerald G. ColellaChairman of the Board of DirectorsFebruary 24, 2026
Gerald G. Colella
/s/ John T.C. LeePresident, Chief Executive Officer and Director(Principal Executive Officer)February 24, 2026
John T.C. Lee
/s/ Ramakumar MayampurathExecutive Vice President and Chief Financial Officer(Principal Financial Officer)February 24, 2026
Ramakumar Mayampurath
/s/ Michelle M. McCarthyVice President and Chief Accounting Officer (Principal Accounting Officer) DirectorFebruary 24, 2026
Michelle M. McCarthy
/s/ Rajeev BatraFebruary 24, 2026
Rajeev Batra
/s/ Peter J. Cannone IIIDirectorFebruary 24, 2026
Peter J. Cannone III
/s/ Joseph B. DonahueDirectorFebruary 24, 2026
Joseph B. Donahue
/s/ Wissam G. JabreDirectorFebruary 24, 2026
Wissam G. Jabre
/s/ Jacqueline F. MoloneyDirectorFebruary 24, 2026
Jacqueline F. Moloney
/s/ Elizabeth A. MoraDirectorFebruary 24, 2026
Elizabeth A. Mora
ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.