Kodiak Gas Services, Inc. — Proxy Solicitation & Information Statement 2026

Mar 27, 2026

DEFA14A 1 defa14a.htm DEFA14A Document created using Wdesk Copyright 2026 Workiva Document

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the Securities

Exchange Act of 1934

Filed by the Registrant þ

Filed by a Party other than the Registrant ¨

Check the appropriate box:

☐	Preliminary Proxy Statement
¨	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
¨	Definitive Proxy Statement
þ	Definitive Additional Materials
¨	Soliciting Material Pursuant to § 240.14a-12
KODIAK GAS SERVICES, INC.
(Name of Registrant as Specified in its Charter)
(Name of Person(s) Filing Proxy Statement, if other than the Registrant)
Payment of Filing Fee (Check all boxes that apply):
þ	No fee required.
¨	Fee paid previously with preliminary materials.
¨	Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS FOR THE KODIAK GAS SERVICES, INC. 2026 ANNUAL MEETING OF SHAREHOLDERS TO BE HELD VIRTUALLY:

www.proxypush.com/KGS DATE AND TIME:

May 7, 2026

9:30 am Central Daylight Time

Under the Securities and Exchange Commission rules, you are receiving this notice that the proxy materials for the 2026 Annual Meeting of Shareholders are available on the internet. This is not a ballot. Follow the instructions below to view the materials and vote online or request a copy.

This communication presents only an overview of the more complete proxy materials that are available to you on the internet. We encourage you to access and review all of the important information contained in the proxy materials before voting. The notice and 2026 Proxy Statement and 2025 Annual Report are available at:

www.proxydocs.com/KGS