WhiteHawk Minerals (WHK) awards 38,387 RSUs to corporate strategy head

Rhea-AI Filing Summary

Heinlein Matthew Ian reported acquisition or exercise transactions in this Form 4 filing.

WhiteHawk Minerals Corp. officer Matthew Ian Heinlein reported an award of 38,387 restricted stock units, each representing a contingent right to receive one share of Class A Common Stock. The RSUs vest in four equal annual installments beginning on August 4, 2027. After this grant, Heinlein directly holds 43,971 Class A shares.

Insider Trade Summary

Net Buyer: 38,387 shares

Net Buy 1 txn

Insider Heinlein Matthew Ian

Role See Remarks

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock F1	38,387	$0.00	$0.00

Holdings After Transaction: Class A Common Stock — 43,971 shares (Direct)

Footnotes (1)

1. F1. Represents an award of restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of Class A Common Stock. The RSUs vest in four equal annual installments beginning on August 4, 2027.

Key Figures

RSU award size: 38,387 shares Grant price: $0.0000 per share Holdings after grant: 43,971 shares +2 more

5 metrics

RSU award size 38,387 shares Restricted stock units granted on 2026-08-04

Grant price $0.0000 per share Reported transaction price per share for the RSU award

Holdings after grant 43,971 shares Direct Class A Common Stock held by Heinlein following the award

Vesting installments 4 equal annual installments RSUs vest in four equal tranches beginning August 4, 2027

First vesting date August 4, 2027 Initial vesting date for the RSU award

Key Terms

restricted stock units ("RSUs"), contingent right, Class A Common Stock, vest in four equal annual installments

4 terms

restricted stock units ("RSUs") financial

"Represents an award of restricted stock units ("RSUs"), each of which represents a"

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

contingent right financial

"each of which represents a contingent right to receive one share of Class A"

Class A Common Stock financial

"contingent right to receive one share of Class A Common Stock. The RSUs vest"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

vest in four equal annual installments financial

"The RSUs vest in four equal annual installments beginning on August 4, 2027."

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/06/2026 - 04:16 PM Accepted by SEC EDGAR 08/06/2026 - 04:15 PM Learn about SEC filing dates

FAQ

What insider equity award did WhiteHawk Minerals (WHK) report for Matthew Ian Heinlein?

WhiteHawk Minerals reported that officer Matthew Ian Heinlein received an award of 38,387 restricted stock units (RSUs). Each RSU is a contingent right to receive one share of Class A Common Stock as the award vests over time.

How many WhiteHawk Minerals (WHK) shares are covered by Heinlein's RSU award?

The award covers 38,387 RSUs, with each unit representing one share of Class A Common Stock. When fully vested and settled, the grant would deliver up to 38,387 shares to Heinlein, subject to the vesting schedule.

When do Matthew Heinlein's RSUs in WhiteHawk Minerals (WHK) vest?

The RSUs vest in four equal annual installments beginning on August 4, 2027. One-quarter of the award becomes eligible to settle into Class A Common Stock each year on that date, assuming applicable vesting conditions are satisfied.

What is Matthew Heinlein's role at WhiteHawk Minerals (WHK) associated with this Form 4?

Matthew Ian Heinlein is an officer of WhiteHawk Minerals, serving as Vice President, Head of Corporate Development & Strategy. The reported RSU grant reflects part of his equity-based compensation in this leadership position.

How many WhiteHawk Minerals (WHK) shares does Heinlein hold after this RSU grant?

Following the reported award, Heinlein directly holds 43,971 shares of Class A Common Stock. This figure reflects his direct ownership position immediately after the RSU grant recorded in the filing, excluding any unvested RSUs not yet settled in shares.

Was Heinlein's WhiteHawk Minerals (WHK) equity award an open‑market purchase?

No. The filing characterizes the transaction as a grant or award acquisition of RSUs at a price of $0.0000 per share. It represents compensatory equity, not an open‑market stock purchase on an exchange or through a broker.

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Heinlein Matthew Ian

(Last) (First) (Middle)

2000 MARKET STREET, SUITE 910

(Street)

PHILADELPHIA PENNSYLVANIA 19103

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
WhiteHawk Minerals Corp. [ WHK ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	See Remarks

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/04/2026

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

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

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

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
Class A Common Stock	08/04/2026		A		38,387(1)	A	$0	43,971	D

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

Explanation of Responses:

1. Represents an award of restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of Class A Common Stock. The RSUs vest in four equal annual installments beginning on August 4, 2027.

Remarks:

Officer title: Vice President, Head of Corporate Development & Strategy

	/s/ Barrie Hananel, Attorney-in-Fact	08/06/2026
	** Signature of Reporting Person	Date
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.
* Form 4: SEC 1474 (03-26)