# EDGAR Filing Document

**Accession Number:** 0001972628
**File Stem:** 0000950170-25-108020
**Filing Date:** 2025-8
**Character Count:** 10770
**Document Hash:** 0af96b223e8f11fab0f3e54befe30538
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000950170-25-108020.hdr.sgml**: 20250813

**ACCESSION NUMBER**: 0000950170-25-108020

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250811

**FILED AS OF DATE**: 20250813

**DATE AS OF CHANGE**: 20250813

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Frontier TopCo Partnership, L.P.
- **CENTRAL INDEX KEY:** 0001767028

**ORGANIZATION NAME:**
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41732
- **FILM NUMBER:** 251211464

**BUSINESS ADDRESS:**
- **STREET 1:** C/O EQT PARTNERS INC
- **STREET 2:** 245 PARK AVENUE, 34TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10167
- **BUSINESS PHONE:** 936-539-3300

**MAIL ADDRESS:**
- **STREET 1:** C/O EQT PARTNERS INC
- **STREET 2:** 245 PARK AVENUE, 34TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10167
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Frontier Topco GP, LLC
- **CENTRAL INDEX KEY:** 0001972628

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41732
- **FILM NUMBER:** 251211462

**BUSINESS ADDRESS:**
- **STREET 1:** C/O EQT PARTNERS INC
- **STREET 2:** 245 PARK AVENUE, 34TH FLOOR
- **CITY:** NEW YORIK
- **STATE:** NY
- **ZIP:** 10167
- **BUSINESS PHONE:** 936-539-3300

**MAIL ADDRESS:**
- **STREET 1:** C/O EQT PARTNERS INC
- **STREET 2:** 245 PARK AVENUE, 34TH FLOOR
- **CITY:** NEW YORIK
- **STATE:** NY
- **ZIP:** 10167
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** EQT Fund Management S.a r.l.
- **CENTRAL INDEX KEY:** 0001834239

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** N4
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41732
- **FILM NUMBER:** 251211463

**BUSINESS ADDRESS:**
- **STREET 1:** 51A BOULEVARD ROYAL
- **CITY:** LUXEMBOURG
- **STATE:** N4
- **ZIP:** L-2449
- **BUSINESS PHONE:** 352 26 73 26 65

**MAIL ADDRESS:**
- **STREET 1:** 51A BOULEVARD ROYAL
- **CITY:** LUXEMBOURG
- **STATE:** N4
- **ZIP:** L-2449
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Kodiak Gas Services, Inc.
- **CENTRAL INDEX KEY:** 0001767042
- **STANDARD INDUSTRIAL CLASSIFICATION:** NATURAL GAS TRANSMISSION [4922]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 833013440
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 9950 WOODLOCH FOREST DRIVE, 19TH FLOOR
- **CITY:** THE WOODLANDS
- **STATE:** TX
- **ZIP:** 77380
- **BUSINESS PHONE:** 936-539-3300

**MAIL ADDRESS:**
- **STREET 1:** 9950 WOODLOCH FOREST DRIVE, 19TH FLOOR
- **CITY:** THE WOODLANDS
- **STATE:** TX
- **ZIP:** 77380

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Frontier TopCo, Inc.
- **DATE OF NAME CHANGE:** 20190206

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Frontier TopCo Partnership, L.P.<br><sub>(Last) (First) (Middle)</sub><br>C/O EQT PARTNERS INC<br>245 PARK AVENUE, 34TH FLOOR<br><sub>(Street)</sub><br>NEW YORK, NY 10167<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-08-11 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Kodiak Gas Services, Inc. [ KGS ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>EQT Fund Management S.a r.l.<br><sub>(Last) (First) (Middle)</sub><br>51A, BOULEVARD ROYAL,<br>LUXEMBOURG<br><sub>(Street)</sub><br>GRAND DUCHY OF LUXEMBOURG, N4 2449<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-08-11 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Kodiak Gas Services, Inc. [ KGS ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Frontier Topco GP, LLC<br><sub>(Last) (First) (Middle)</sub><br>C/O EQT PARTNERS INC<br>245 PARK AVENUE, 34TH FLOOR<br><sub>(Street)</sub><br>NEW YORK, NY 10167<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-08-11 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Kodiak Gas Services, Inc. [ KGS ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2025-08-11 |  | D |  | 1508750 | D | 33.14<sup>(1)</sup> | 29762573 | I | Held by Frontier TopCo Partnership, L.P.<sup>(2)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) Consists of shares of common stock, par value $0.01 per share, of the Issuer ("Common Stock") held by the Reporting Person that were repurchased by the Issuer at the closing price per share on August 11, 2025.

(2) 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 the 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.

**Signature:** Frontier TopCo Partnership, L.P., By: Frontier TopCo GP, LLC, as its general partner, By: /s/ Joseph Turley, Name: Joseph Turley, Title: Officer  
**Date:** 2025-08-13

**Signature:** Frontier TopCo GP, LLC, By: /s/ Joseph Turley, Name: Joseph Turley, Title: Officer  
**Date:** 2025-08-13

**Signature:** 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  
**Date:** 2025-08-13

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**