INR (II) Investments, LLC - 23 Feb 2026 Form 3 Insider Report for INFINITY NATURAL RESOURCES, INC. (INR)

Reporting relationship: 10%+ Owner
Issuer ticker: INR
Reported as of: 23 Feb 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 18 Mar 2026, 21:58:40 UTC
Source filing: View source filing
Reporting owner signature: /s/ Rob Anderson, Authorized Person of INR (II) Investments, LLC

Key filing fact

INR (II) Investments, LLC filed Form 3 for INFINITY NATURAL RESOURCES, INC. (INR) on 18 Mar 2026.

Key facts

This page summarizes INR (II) Investments, LLC's Form 3 filing for INFINITY NATURAL RESOURCES, INC. (INR).
0 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 18 Mar 2026, 21:58.

Change

No earlier filing in this sequence is available for direct comparison.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (3)

CIK 0002117800 Primary reporting owner

INR (II) Investments, LLC

Relationship: 10%+ Owner
Address: 800 CAPITOL STREET, SUITE 3600, HOUSTON
Signature: /s/ Rob Anderson, Authorized Person of INR (II) Investments, LLC
Signature date: 18 Mar 2026

CIK 0002121535

Quantum Capital Solutions II GP, LLC

Relationship: 10%+ Owner
Address: 800 CAPITOL STREET, SUITE 3600, HOUSTON
Signature: /s/ Roman Bejger, Authorized Person of Quantum Capital Solutions II GP, LLC
Signature date: 18 Mar 2026

CIK 0001098463

VANLOH S WIL JR

Relationship: 10%+ Owner
Address: 800 CAPITOL STREET, SUITE 3600, HOUSTON
Signature: /s/ S. Wil VanLoh, Jr.
Signature date: 18 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

INR holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 12,856,475
Date: 23 Feb 2026
Ownership: See footnote
Footnotes: F1, F2, F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

INR holding Derivative

Series A Convertible Preferred Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 23 Feb 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 275,000
Exercise price: $21.39
Footnotes: F1, F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

On February 23, 2026, INR (II) Investments, LLC completed its acquisition of 275,000 shares of Series A Convertible Preferred Stock of the Issuer. Shares of the Series A Preferred Stock are convertible into shares of Class A Common Stock of the Issuer at a conversion price equal to $21.39 per share subject to certain customary adjustments.

Footnote F2

As of the date of this Form 3, INR (II) Investments, LLC directly holds the 275,000 shares of Series A Convertible Preferred Stock reported hereby. Quantum Capital Solutions II GP, LLC ("QCS II GP") is the manager of INR (II) Investments, LLC and therefore may be deemed to share voting and dispositive power over the securities held by INR (II) Investments, LLC and may also be deemed to be the beneficial owner of such securities. Any decision taken by QCS II GP to vote, or to direct to vote, and to dispose, or to direct the disposition of, the securities held by INR (II) Investments, LLC must be approved by a majority of the members of QCS II GP's investment committee and such majority must include S. Wil VanLoh, Jr. Therefore, Mr. VanLoh may be deemed to share voting and dispositive power over the securities held by QCS II GP and may also be deemed to be the beneficial owner of such securities.

Footnote F3

(Continued from footnote 2) Each of QCS II GP and Mr. VanLoh disclaim beneficial ownership of the securities reported herein in excess of their respective pecuniary interests in such securities.