# EDGAR Filing Document

**Accession Number:** 0002029118
**File Stem:** 0001193125-26-204748
**Filing Date:** 2026-5
**Character Count:** 18540
**Document Hash:** 92042800dbeed20050ac7c5f6ba20bb4
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-204748.hdr.sgml**: 20260504

**ACCESSION NUMBER**: 0001193125-26-204748

**CONFORMED SUBMISSION TYPE**: 3/A

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260223

**FILED AS OF DATE**: 20260504

**DATE AS OF CHANGE**: 20260504

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Ackerman Tomas
- **CENTRAL INDEX KEY:** 0001733420

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42499
- **FILM NUMBER:** 26940047

**MAIL ADDRESS:**
- **STREET 1:** 2229 SAN FELIPE
- **STREET 2:** SUITE 1450
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77019
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Goodman Daniel
- **CENTRAL INDEX KEY:** 0001733466

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42499
- **FILM NUMBER:** 26940046

**MAIL ADDRESS:**
- **STREET 1:** 2229 SAN FELIPE
- **STREET 2:** SUITE 1450
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77019
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** CARNELIAN ENERGY CAPITAL HOLDINGS, LLC
- **CENTRAL INDEX KEY:** 0001825619

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

**FILING VALUES:**
- **FORM TYPE:** 3/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42499
- **FILM NUMBER:** 26940048

**BUSINESS ADDRESS:**
- **STREET 1:** 2229 SAN FELIPE STREET, SUITE 1450
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77019
- **BUSINESS PHONE:** (713) 322-7310

**MAIL ADDRESS:**
- **STREET 1:** 2229 SAN FELIPE STREET, SUITE 1450
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77019
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Carnelian Energy Capital GP V, L.P.
- **CENTRAL INDEX KEY:** 0002114893

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

**FILING VALUES:**
- **FORM TYPE:** 3/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42499
- **FILM NUMBER:** 26940049

**BUSINESS ADDRESS:**
- **STREET 1:** 2229 SAN FELIPE ST., SUITE 1450
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77019
- **BUSINESS PHONE:** 7133227321

**MAIL ADDRESS:**
- **STREET 1:** 2229 SAN FELIPE ST., SUITE 1450
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77019
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** CARNELIAN ENERGY CAPITAL V, L.P.
- **CENTRAL INDEX KEY:** 0001998879

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

**FILING VALUES:**
- **FORM TYPE:** 3/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42499
- **FILM NUMBER:** 26940050

**BUSINESS ADDRESS:**
- **STREET 1:** 2229 SAN FELIPE STREET, SUITE 1450
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77019
- **BUSINESS PHONE:** (713) 322-7310

**MAIL ADDRESS:**
- **STREET 1:** 2229 SAN FELIPE STREET, SUITE 1450
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77019
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Etineles Holdings V, LLC
- **CENTRAL INDEX KEY:** 0002113724

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

**FILING VALUES:**
- **FORM TYPE:** 3/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42499
- **FILM NUMBER:** 26940052

**BUSINESS ADDRESS:**
- **STREET 1:** 2229 SAN FELIPE ST., SUITE 1450
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77019
- **BUSINESS PHONE:** 7133227321

**MAIL ADDRESS:**
- **STREET 1:** 2229 SAN FELIPE ST., SUITE 1450
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77019
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** CEC Selenite III Holdings, LLC
- **CENTRAL INDEX KEY:** 0002114683

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

**FILING VALUES:**
- **FORM TYPE:** 3/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42499
- **FILM NUMBER:** 26940051

**BUSINESS ADDRESS:**
- **STREET 1:** 2229 SAN FELIPE ST., SUITE 1450
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77019
- **BUSINESS PHONE:** 7133227321

**MAIL ADDRESS:**
- **STREET 1:** 2229 SAN FELIPE ST., SUITE 1450
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77019
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** INFINITY NATURAL RESOURCES, INC.
- **CENTRAL INDEX KEY:** 0002029118
- **STANDARD INDUSTRIAL CLASSIFICATION:** CRUDE PETROLEUM & NATURAL GAS [1311]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 2605 CRANBERRY SQUARE
- **CITY:** MORGANTOWN
- **STATE:** WV
- **ZIP:** 26508
- **BUSINESS PHONE:** 304-212-2350

**MAIL ADDRESS:**
- **STREET 1:** 2605 CRANBERRY SQUARE
- **CITY:** MORGANTOWN
- **STATE:** WV
- **ZIP:** 26508

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

## FORM 3/A

### 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>Etineles Holdings V, LLC<br><sub>(Last) (First) (Middle)</sub><br>C/O CARNELIAN ENERGY CAPITAL<br>2229 SAN FELIPE ST., SUITE 1450<br><sub>(Street)</sub><br>HOUSTON, TX 77019<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-02-23 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>INFINITY NATURAL RESOURCES, INC. [ INR ] | **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>CEC Selenite III Holdings, LLC<br><sub>(Last) (First) (Middle)</sub><br>C/O CARNELIAN ENERGY CAPITAL<br>2229 SAN FELIPE ST., SUITE 1450<br><sub>(Street)</sub><br>HOUSTON, TX 77019<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-02-23 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>INFINITY NATURAL RESOURCES, INC. [ INR ] | **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>CARNELIAN ENERGY CAPITAL V, L.P.<br><sub>(Last) (First) (Middle)</sub><br>C/O CARNELIAN ENERGY CAPITAL<br>2229 SAN FELIPE ST., SUITE 1450<br><sub>(Street)</sub><br>HOUSTON, TX 77019<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-02-23 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>INFINITY NATURAL RESOURCES, INC. [ INR ] | **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>Carnelian Energy Capital GP V, L.P.<br><sub>(Last) (First) (Middle)</sub><br>C/O CARNELIAN ENERGY CAPITAL<br>2229 SAN FELIPE ST., SUITE 1450<br><sub>(Street)</sub><br>HOUSTON, TX 77019<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-02-23 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>INFINITY NATURAL RESOURCES, INC. [ INR ] | **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>CARNELIAN ENERGY CAPITAL HOLDINGS, LLC<br><sub>(Last) (First) (Middle)</sub><br>C/O CARNELIAN ENERGY CAPITAL<br>2229 SAN FELIPE ST., SUITE 1450<br><sub>(Street)</sub><br>HOUSTON, TX 77019<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-02-23 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>INFINITY NATURAL RESOURCES, INC. [ INR ] | **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>Ackerman Tomas<br><sub>(Last) (First) (Middle)</sub><br>C/O CARNELIAN ENERGY CAPITAL<br>2229 SAN FELIPE ST., SUITE 1450<br><sub>(Street)</sub><br>HOUSTON, TX 77019<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-02-23 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>INFINITY NATURAL RESOURCES, INC. [ INR ] | **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>Goodman Daniel<br><sub>(Last) (First) (Middle)</sub><br>C/O CARNELIAN ENERGY CAPITAL<br>2229 SAN FELIPE ST., SUITE 1450<br><sub>(Street)</sub><br>HOUSTON, TX 77019<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-02-23 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>INFINITY NATURAL RESOURCES, INC. [ INR ] | **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 |
| Class A Common Stock |  |  |  |  |  |  |  | 1734 | D<sup>(1)</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 |
| Series A Convertible Preferred Stock<sup>(2)</sup> | 21.39<sup>(2)</sup> |  |  |  |  |  |  | <sup>(2)</sup> | <sup>(2)</sup> | Class A Common Stock | 3506311<sup>(2)</sup> |  |  | D<sup>(3)(4)</sup> |  |

---

### Footnotes:

(1) Class A Common Stock was acquired by Etineles Holdings V, LLC on November 12, 2025.

(2) On February 23, 2026, Etineles Holdings V, LLC acquired 75,000 shares of Series A Convertible Preferred Stock, par value $0.01 per share (the "Series A Preferred Stock") at a price of $1,000 per share ("Initial Liquidation Preference). Pursuant to the Certificate of Designation (as defined below), each share of Series A Preferred Stock is convertible at the option of the holder into shares of Class A Common Stock using a conversion ratio equal to the then-applicable liquidation preference (as determined in accordance with the Certificate of Designation and which equals the Initial Liquidation Preference per share as of the date hereof) divided by a conversion price of $21.39 per share (subject to customary adjustments in accordance with the Certificate of Designation), which would result in 3,506,311 shares of Class A Common Stock upon full conversion. The Series A Preferred Stock has no expiration date and is convertible at any time at the option of the holder.

(3) Etineles Holdings V, LLC is the record holder of the shares reported herein. Tomas Ackerman and Daniel Goodman are managing members of Carnelian Energy Capital Holdings, LLC, which is the general partner of Carnelian Energy Capital GP V, L.P. Carnelian Energy Capital GP V, L.P. is the general partner of Carnelian Energy Capital V, L.P. Carnelian Energy Capital V, L.P. is the sole member of CEC Selenite III Holdings, LLC, which is the sole member of Etineles Holdings V, LLC.

(4) Each of Etineles Holdings V, LLC, CEC Selenite III Holdings, LLC, Carnelian Energy Capital V, L.P., Carnelian Energy Capital GP V, L.P., Carnelian Energy Capital Holdings, LLC, and Messrs. Ackerman and Goodman may be deemed to have or share beneficial ownership of the ordinary shares held directly by Etineles Holdings V, LLC. Each such entity or person disclaims any such beneficial ownership of such securities except to the extent of their pecuniary interest therein, 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 for any other purpose.

**Remarks:**
Each of the Reporting Persons may be deemed a "director by deputization" of Infinity Natural Resources, Inc. (the "Issuer"). Pursuant to the Certificate of Designation of Series A Convertible Preferred Stock filed by the Issuer on February 23, 2026 (the "Certificate of Designation"), Etineles Holdings V, LLC and its affiliates (collectively "Carnelian") have the right to vote their Series A Preferred Stock to appoint and elect one member to the Issuer's board of directors (the "Board"). Each of the Reporting Persons is an affiliate of Carnelian, and Matthew Kelly, a managing director of Carnelian Energy Capital Management, L.P., was appointed to serve on the Board effective February 23, 2026 pursuant to the Certificate of Designation. Because of the relationship between the Reporting Persons and Carnelian, and Carnelian's right to appoint and elect Mr. Kelly as a director, the Reporting Persons may be deemed a "director by deputization" of the Issuer within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended.

**Signature:** Etineles Holdings V, LLC, By: /s/ Tomas Ackerman, Authorized Signatory  
**Date:** 2026-05-04

**Signature:** CEC Selenite III Holdings, LLC, By: /s/ Tomas Ackerman, Authorized Signatory  
**Date:** 2026-05-04

**Signature:** Carnelian Energy Capital V, L.P., By: /s/ Tomas Ackerman, Authorized Signatory  
**Date:** 2026-05-04

**Signature:** Carnelian Energy Capital GP V, L.P., By: /s/ Tomas Ackerman, Authorized Signatory  
**Date:** 2026-05-04

**Signature:** Carnelian Energy Capital Holdings, LLC, By: /s/ Tomas Ackerman, Authorized Signatory  
**Date:** 2026-05-04

**Signature:** Tomas Ackerman, By: /s/ Tomas Ackerman  
**Date:** 2026-05-04

**Signature:** Daniel Goodman, By: /s/ Daniel Goodman  
**Date:** 2026-05-04

### 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.**