HF Sinclair (DINO) VP, CAO and Controller surrenders 691 shares for taxes

Rhea-AI Filing Summary

HF Sinclair Corp executive Vivek Garg reported an automatic share disposition related to equity compensation. On 12/01/2025, 691 shares of HF Sinclair common stock were surrendered at a price of $53.02 per share to cover tax withholding triggered by the vesting of previously granted restricted stock units. After this tax-related transaction, Garg beneficially owned 5,222 HF Sinclair shares directly. Garg serves as VP, CAO and Controller of HF Sinclair Corp.

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^*

Garg Vivek

(Last) (First) (Middle)

2323 VICTORY AVENUE

SUITE 1400

(Street)

DALLAS TX 75219

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
HF Sinclair Corp [ DINO ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP, CAO and Controller

3. Date of Earliest Transaction (Month/Day/Year)
12/01/2025

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
Common Stock	12/01/2025		F		691(1)	D	$53.02	5,222	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. These shares were deemed surrendered to satisfy the reporting person's tax liability incident to the vesting of restricted stock unit grants previously reported.

	Harrison Morris Attorney-in-Fact for Vivek Garg	12/03/2025
	** 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).
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FAQ

What insider transaction did HF Sinclair (DINO) report for Vivek Garg?

The report shows that on 12/01/2025, 691 shares of HF Sinclair common stock were surrendered to cover taxes due upon the vesting of previously granted restricted stock units.

What was the price per share in the HF Sinclair (DINO) insider tax withholding transaction?

The 691 shares of HF Sinclair common stock were valued at $53.02 per share for the tax withholding transaction.

How many HF Sinclair (DINO) shares does Vivek Garg own after the reported transaction?

Following the tax-related share surrender, Vivek Garg beneficially owned 5,222 HF Sinclair common shares directly.

What is Vivek Garg’s role at HF Sinclair (DINO)?

Vivek Garg is an officer of HF Sinclair Corp, serving as VP, CAO and Controller.

Was the HF Sinclair (DINO) insider transaction a sale for cash or a tax withholding?

The transaction was coded as an F transaction and described as shares deemed surrendered to satisfy the reporting person’s tax liability related to restricted stock unit vesting.

Who signed the HF Sinclair (DINO) Form 4 on behalf of Vivek Garg?

The Form 4 was signed by Harrison Morris as Attorney-in-Fact for Vivek Garg on 12/03/2025.