# EDGAR Filing Document

**Accession Number:** 0001425873
**File Stem:** 0001213900-26-036659
**Filing Date:** 2026-3
**Character Count:** 14138
**Document Hash:** 31f890ec1627907d969c8e0e6733e7b8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-26-036659.hdr.sgml**: 20260330

**ACCESSION NUMBER**: 0001213900-26-036659

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260330

**FILED AS OF DATE**: 20260330

**DATE AS OF CHANGE**: 20260330

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Peterson Karl Mr.
- **CENTRAL INDEX KEY:** 0001425873

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43216
- **FILM NUMBER:** 26816302

**MAIL ADDRESS:**
- **STREET 1:** 301 COMMERCE STREET
- **STREET 2:** SUITE 3300
- **CITY:** FORT WORTH
- **STATE:** TX
- **ZIP:** 76102
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Tamraz Eduardo
- **CENTRAL INDEX KEY:** 0001704403

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43216
- **FILM NUMBER:** 26816301

**MAIL ADDRESS:**
- **STREET 1:** C/O TPG PACE ENERGY HOLDINGS CORP.
- **STREET 2:** 301 COMMERCE STREET, SUITE 3300
- **CITY:** FORT WORTH
- **STATE:** TX
- **ZIP:** 76102
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** KPThree Capital LLC
- **CENTRAL INDEX KEY:** 0002123689

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

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43216
- **FILM NUMBER:** 26816303

**BUSINESS ADDRESS:**
- **STREET 1:** 909 S. MILL STREET
- **CITY:** ASPEN
- **STATE:** CO
- **ZIP:** 81611
- **BUSINESS PHONE:** 605-308-0233

**MAIL ADDRESS:**
- **STREET 1:** 909 S. MILL STREET
- **CITY:** ASPEN
- **STATE:** CO
- **ZIP:** 81611
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** KPET Ultra Paceline LLC
- **CENTRAL INDEX KEY:** 0002117403

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43216
- **FILM NUMBER:** 26816304

**BUSINESS ADDRESS:**
- **STREET 1:** 5109 S. BROADBAND LANE
- **CITY:** SIOUX FALLS
- **STATE:** SD
- **ZIP:** 57108
- **BUSINESS PHONE:** 605-308-0233

**MAIL ADDRESS:**
- **STREET 1:** 5109 S. BROADBAND LANE
- **CITY:** SIOUX FALLS
- **STATE:** SD
- **ZIP:** 57108

**FORMER NAME:**
- **FORMER CONFORMED NAME:** Paceline Solutions LLC
- **DATE OF NAME CHANGE:** 20260306
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** KPET Ultra Paceline Corp
- **CENTRAL INDEX KEY:** 0002095297
- **STANDARD INDUSTRIAL CLASSIFICATION:** BLANK CHECKS [6770]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 981888520
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 5109 S. BROADBAND LANE
- **CITY:** SIOUX FALLS
- **STATE:** SD
- **ZIP:** 57108
- **BUSINESS PHONE:** 605-308-0233

**MAIL ADDRESS:**
- **STREET 1:** 5109 S. BROADBAND LANE
- **CITY:** SIOUX FALLS
- **STATE:** SD
- **ZIP:** 57108

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Paceline Solutions Corp
- **DATE OF NAME CHANGE:** 20251104

## Ex-24

**Exhibit 24**

**POWER OF ATTORNEY**

Known all by these presents, that the undersigned hereby constitutes and appoints Roger Edward Tamraz of KPET Ultra Paceline Corporation (the "Company") or any of them signing singly, and with full power of substitution, the undersigned's true and lawful attorney-in-fact to:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1. prepare, execute in the undersigned's name and on the undersigned's behalf, and submit to
the U.S. Securities and Exchange Commission (the "SEC") any amendments to the undersigned's Form ID and any other documents
necessary or appropriate to obtain codes and passwords enabling the undersigned to make electronic filings with the SEC of reports required
by Section 16(a) of the Securities Exchange Act of 1934 (the "Exchange Act") or any rule or regulation of the SEC;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2. execute for and on behalf of the undersigned with respect to the Company, Schedules 13D and 13G and Forms
3, 4, and 5 in accordance with Sections 13 and 16(a) of the Exchange Act and the rules thereunder;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3. do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable
to complete and execute any such Schedules 13D or 13G or Form 3, 4, or 5, complete and execute any amendment or amendments thereto, and
timely file such form with the SEC and any stock exchange or similar authority; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4. take any other action of any type whatsoever in connection with the foregoing which, in the opinion of
such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that
the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form
and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming any of the undersigned's responsibilities to comply with Sections 13 and 16 of the Exchange Act.

This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4, and 5 with respect to the undersigned's holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.

 

 

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this 30<sup>th</sup> day of March, 2026.

---

| |
|:---|
| /s/ Karl Peterson |
| Name: Karl Peterson |

---

[*Signature Page to Power of Attorney*]

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

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>KPET Ultra Paceline LLC<br><sub>(Last) (First) (Middle)</sub><br>5109 S. BROADBAND LANE<br><sub>(Street)</sub><br>SIOUX FALLS, SD 57108<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>KPET Ultra Paceline Corp [ KPET ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-03-30 | **4. 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>_ _ | **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>KPThree Capital LLC<br><sub>(Last) (First) (Middle)</sub><br>5109 S. BROADBAND LANE<br><sub>(Street)</sub><br>SIOUX FALLS, SD 57108<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>KPET Ultra Paceline Corp [ KPET ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-03-30 | **4. 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>_ _ | **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>Peterson Karl Mr.<br><sub>(Last) (First) (Middle)</sub><br>5109 S. BROADBAND LANE<br><sub>(Street)</sub><br>SIOUX FALLS, SD 57108<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>KPET Ultra Paceline Corp [ KPET ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-03-30 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director   [X] 10% Owner<br>[X] Officer (give title below)   [ ] Other (specify below)<br>_Chairman and CEO_ | **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>Tamraz Eduardo<br><sub>(Last) (First) (Middle)</sub><br>5109 S. BROADBAND LANE<br><sub>(Street)</sub><br>SIOUX FALLS, SD 57108<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>KPET Ultra Paceline Corp [ KPET ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-03-30 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director   [X] 10% Owner<br>[X] Officer (give title below)   [ ] Other (specify below)<br>_President and CFO_ | **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 Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| Class B Ordinary Shares, par value $0.0001 per share | <sup>(1)</sup> | <sup>(1)</sup> | Class A Ordinary Shares, par value $0.0001 per share | 5630000<sup>(2)</sup> | <sup>(1)</sup> | I | See footnotes<sup>(3)</sup> |

---

### Footnotes:

(1) The Class B Ordinary Shares are automatically convertible into the Issuer's Class A Ordinary Shares at the time of the Issuer's initial business combination (with such conversion taking place immediately prior to, simultaneously with, or immediately following the time of the Issuer's initial business combination, as may be determined by the Issuer's directors) on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, and have no expiration date.

(2) Includes 750,000 Class B Ordinary Shares that are subject to forfeiture if the underwriters in the Issuer's initial public offering of ordinary shares do not exercise their over-allotment option in full.

(3) KPET Ultra Paceline LLC is the record holder of the shares reported herein. KPThree Capital LLC and Roger Edward Tamraz are the managing members of KPET Ultra Paceline LLC. Karl Peterson is the managing member of KPThree Capital LLC. As such, KPThree Capital LLC, Karl Peterson and Roger Edward Tamraz may be deemed to have or share beneficial ownership of the Class B ordinary shares held directly by KPET Ultra Paceline LLC. Each such entity or person disclaims any beneficial ownership of such securities held by KPET Ultra Paceline LLC other than to the extent of any pecuniary interest they may have therein, directly or indirectly, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or any other purpose.

**Remarks:**
See Exhibit 24 - Power of Attorney

**Signature:** KPET Ultra Paceline LLC By: Roger Edward Tamraz, Authorized Person /s/ Roger Edward Tamraz  
**Date:** 2026-03-30

**Signature:** KPThree Capital LLC By: Karl Peterson, Authorized Person /s/ Karl Peterson  
**Date:** 2026-03-30

**Signature:** Karl Peterson /s/ Karl Peterson  
**Date:** 2026-03-30

**Signature:** Roger Edward Tamraz /s/ Roger Edward Tamraz  
**Date:** 2026-03-30

### 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.**