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Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Checkbox not checked   Rule 13d-1(b)
Checkbox not checked   Rule 13d-1(c)
Checkbox checked   Rule 13d-1(d)






SCHEDULE 13G




Comment for Type of Reporting Person:  (1) Represents 9,631,441 shares of Class A common stock, par value $0.01 per share ("Class A common stock"), of the Issuer issuable in exchange for of an equivalent number of common units ("Common Units") of Infinity Natural Resources, LLC, a Delaware limited liability company and subsidiary of the Issuer ("INR HOldings") held by the Reporting Persons on a one-for-one basis (together with the cancellation for no consideration of an equal number of shares of Class B common stock, par value $0.01 per share ("Class B common stock"), of the Issuer held by the Reporting Persons). (2) Calculated assuming 24,868,941 shares of Class A common stock outstanding based upon (i) 15,237,500 shares of Class A common stock outstanding as of February 3, 2025, as reported in the Issuer's Final Prospectus filed with the Securities and Exchange Commission on February 3, 2025, as increased by (ii) 9,631,441 shares of Class A common stock issuable in respect of an equivalent number of Common Units and shares of Class B common stock held by the Reporting Persons.


SCHEDULE 13G




Comment for Type of Reporting Person:  (1) Represents 9,631,441 shares of Class A common stock of the Issuer issuable in exchange for of an equivalent number of Common Units of INR Holdings held by the Reporting Persons on a one-for-one basis (together with the cancellation for no consideration of an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons). (2) Calculated assuming 24,868,941 shares of Class A common stock outstanding based upon (i) 15,237,500 shares of Class A common stock outstanding as of February 3, 2025, as reported in the Issuer's Final Prospectus filed with the Securities and Exchange Commission on February 3, 2025, as increased by (ii) 9,631,441 shares of Class A common stock issuable in respect of an equivalent number of Common Units and shares of Class B common stock held by the Reporting Persons.


SCHEDULE 13G




Comment for Type of Reporting Person:  (1) Represents 9,631,441 shares of Class A common stock of the Issuer issuable in exchange for of an equivalent number of Common Units of INR Holdings held by the Reporting Persons on a one-for-one basis (together with the cancellation for no consideration of an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons). (2) Calculated assuming 24,868,941 shares of Class A common stock outstanding based upon (i) 15,237,500 shares of Class A common stock outstanding as of February 3, 2025, as reported in the Issuer's Final Prospectus filed with the Securities and Exchange Commission on February 3, 2025, as increased by (ii) 9,631,441 shares of Class A common stock issuable in respect of an equivalent number of Common Units and shares of Class B common stock held by the Reporting Persons.


SCHEDULE 13G



 
NGP XI US Holdings, L.P.
 
Signature:/s/ Chris Carter
Name/Title:By: NGP XI Holdings GP, L.L.C., its general partner
Date:03/14/2025
 
Signature:/s/ Chris Carter
Name/Title:Chris Carter, Authorized Person
Date:03/14/2025
 
GFW XI, L.L.C.
 
Signature:/s/ Chris Carter
Name/Title:Chris Carter, Authorized Person
Date:03/14/2025
 
NGP Energy Capital Management, L.L.C.
 
Signature:/s/ Chris Carter
Name/Title:Chris Carter, Authorized Person
Date:03/14/2025
Exhibit Information

EXHIBIT LIST Exhibit 1 Joint Filing Agreement, dated as of March 6, 2025, by and among the Reporting Persons (filed herewith).