INR (INR) Chief Accounting Officer receives RSU and PSU equity grants

Rhea-AI Filing Summary

Pietrandrea Brian P. reported acquisition or exercise transactions in this Form 4 filing.

INFINITY NATURAL RESOURCES, INC. granted equity awards to its Chief Accounting Officer, Brian P. Pietrandrea. He received 14,791 restricted stock units (RSUs) and 4,930 performance stock units (PSUs) on Class A common stock at no cost. The RSUs vest in three equal annual installments beginning one year from the grant date, based on continued service. The PSUs can settle for zero to three shares each depending on the company’s relative and absolute shareholder return over the period from January 1, 2026 to December 31, 2028, also requiring continued service.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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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^*

Pietrandrea Brian P.

(Last) (First) (Middle)

C/O INFINITY NATURAL RESOURCES, INC.

2605 CRANBERRY SQUARE

(Street)

MORGANTOWN WV 26508

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
INFINITY NATURAL RESOURCES, INC. [ INR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Accounting Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/03/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units (2026)	(1)	03/03/2026		A		14,791		(1)	(1)	Class A Common Stock	14,791	$0	14,791	D
Performance Stock Units (2026)	(2)	03/03/2026		A		4,930		(2)	(2)	Class A Common Stock	4,930(2)	$0	4,930	D

Explanation of Responses:

1. Each restricted stock unit ("RSU") represents the contingent right to receive one share of Class A common stock, $0.01 par value per share (the "Class A Common Stock"), of the Issuer. The RSUs vest in three equal annual installments beginning one year from the date of grant, subject to the Reporting Person's continued service through such dates.

2. Each performance stock unit ("PSU") represents a contingent right to receive from zero to three shares of Class A Common Stock depending upon the achievement of the Issuer's relative total shareholder return as compared to its peer group and absolute shareholder return, in each case, over the performance period beginning on January 1, 2026 and ending on December 31, 2028 and subject to the Reporting Person's continued service through the date that such performance results are determined.

	/s/ Raleigh Wolfe, as Attorney-in-Fact for the Reporting Person	03/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transactions did INR report for Brian P. Pietrandrea?

INR reported that Chief Accounting Officer Brian P. Pietrandrea received equity awards. He was granted 14,791 restricted stock units and 4,930 performance stock units on Class A common stock, both at a price of $0.00 per unit, reflecting compensation rather than open-market buying.

How many restricted stock units did INR grant to its Chief Accounting Officer?

INR granted 14,791 restricted stock units to its Chief Accounting Officer. Each RSU represents a contingent right to receive one share of Class A common stock, vesting in three equal annual installments starting one year from the grant date, subject to his continued service with the company.

How do the INR performance stock units for Brian P. Pietrandrea work?

The 4,930 performance stock units can convert into zero to three shares of Class A common stock each. Payout depends on INR’s relative total shareholder return versus peers and absolute shareholder return from January 1, 2026 to December 31, 2028, plus continued service requirements.

Over what period are INR’s performance stock units measured?

The performance stock units are measured over a multi-year performance period. Specifically, INR evaluates relative and absolute shareholder return from January 1, 2026 through December 31, 2028, and the final share delivery depends on performance during this timeframe and the executive’s continued service.

When do the INR restricted stock units granted on this Form 4 vest?

The restricted stock units vest in three equal annual installments. Vesting begins one year after the grant date of March 3, 2026, with each installment contingent on Brian P. Pietrandrea’s continued service through the applicable vesting dates, aligning his compensation with ongoing employment.

Did Brian P. Pietrandrea buy or sell INR shares on the open market?

The Form 4 shows no open-market buys or sells. Instead, Brian P. Pietrandrea received grants of restricted stock units and performance stock units at a price of $0.00 per unit as part of his compensation, rather than through cash purchases or public market transactions.