Frontier TopCo Partnership, L.P. - 01 Dec 2025 Form 4 Insider Report for Kodiak Gas Services, Inc. (KGS)

Role: 10%+ Owner
Signature: Frontier TopCo Partnership, L.P., By: Frontier TopCo GP, LLC, as its general partner, By: /s/ Joseph Turley, Name: Joseph Turley, Title: Officer
Issuer symbol: KGS
Transactions as of: 01 Dec 2025
Net transactions value: -$335,539,634
Form type: 4
Filing time: 03 Dec 2025, 17:00:12 UTC
Previous filing: 14 Nov 2025
SEC: View on sec.gov

Reporting Owners (3)

Name	Relationship	Address	Signature	Signature date	CIK
Frontier TopCo Partnership, L.P.	10%+ Owner	C/O EQT PARTNERS, 245 PARK AVENUE, 34TH FLOOR, NEW YORK	Frontier TopCo Partnership, L.P., By: Frontier TopCo GP, LLC, as its general partner, By: /s/ Joseph Turley, Name: Joseph Turley, Title: Officer	03 Dec 2025	0001767028
EQT Fund Management S.a r.l.	10%+ Owner	51A, BOULEVARD ROYAL,, LUXEMBOURG, GRAND DUCHY OF LUXEMBOURG, LUXEMBOURG	Frontier TopCo GP, LLC, By: /s/ Joseph Turley, Name: Joseph Turley, Title: Officer	03 Dec 2025	0001834239
Frontier Topco GP, LLC	10%+ Owner	C/O EQT PARTNERS, 245 PARK AVENUE, 34TH FLOOR, NEW YORK	EQT Fund Management S.a r.l., By: /s/ Sara Huda, Name: Sara Huda, Title: Manager and /s/ Patrik Burnas, Name: Patrik Burnas, Title: Manager	03 Dec 2025	0001972628

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	KGS	Common Stock	Sale	$335,539,634	-9,762,573	-100%	$34.37	0	01 Dec 2025	Held by Frontier TopCo Partnership, L.P.	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Frontier TopCo Partnership, L.P. is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id	Content
F1	Consists of shares of common stock, par value $0.01 per share, of the Issuer ("Common Stock") that were sold in an underwritten secondary offering (the "Offering") at a price to the public of $34.60 per share. The Reporting Person received $34.37 per share of Common Stock sold in the Offering, which is the public offering price less certain underwriting discounts.
F2	Consists of shares of common stock held directly by Frontier TopCo Partnership, L.P. ("Kodiak Holdings"). Frontier TopCo GP, LLC ("Frontier GP") is the general partner of Kodiak Holdings. EQT Infrastructure III SCSp ("EQT Infrastructure III") indirectly owns 100% of the membership interests in Frontier GP. EQT Fund Management S.a r.l. ("EFMS") has exclusive responsibility for the management and control of the business and affairs of investment vehicles which constitute the majority of the total commitments to EQT Infrastructure III. As such, EFMS has the power to control Frontier GP's voting and investment decisions and may be deemed to have beneficial ownership of any securities held by Kodiak Holdings.

Content

Consists of shares of common stock, par value $0.01 per share, of the Issuer ("Common Stock") that were sold in an underwritten secondary offering (the "Offering") at a price to the public of $34.60 per share. The Reporting Person received $34.37 per share of Common Stock sold in the Offering, which is the public offering price less certain underwriting discounts.

Consists of shares of common stock held directly by Frontier TopCo Partnership, L.P. ("Kodiak Holdings"). Frontier TopCo GP, LLC ("Frontier GP") is the general partner of Kodiak Holdings. EQT Infrastructure III SCSp ("EQT Infrastructure III") indirectly owns 100% of the membership interests in Frontier GP. EQT Fund Management S.a r.l. ("EFMS") has exclusive responsibility for the management and control of the business and affairs of investment vehicles which constitute the majority of the total commitments to EQT Infrastructure III. As such, EFMS has the power to control Frontier GP's voting and investment decisions and may be deemed to have beneficial ownership of any securities held by Kodiak Holdings.

Remarks:

This filing shall not be deemed an admission that the Reporting Persons are beneficial owners of all securities covered by this filing for purposes of Section 16 of the Exchange Act or otherwise, and each Reporting Person disclaims beneficial ownership of these securities, except to the extent of such Reporting Person's pecuniary interest therein, if any.