HF Sinclair (NYSE: DINO) CFO reports 7,983-share award, 98,936 owned

Rhea-AI Filing Summary

HF Sinclair Corp executive Atanas H. Atanasov, EVP and CFO, reported changes in his DINO shareholdings from transactions on 12/01/2025. He was issued 7,983 shares of common stock at a price of $0, settling performance share units under the company’s Amended and Restated 2020 Long Term Incentive Plan.

On the same date, he surrendered 3,142 shares at $53.02 per share to cover tax liabilities tied to that issuance, and 8,916 shares at $53.02 per share to cover taxes related to previously reported restricted stock unit vesting. After these transactions, he directly owned 98,936 shares of HF Sinclair common stock.

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^*

Atanasov Atanas H

(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)
	EVP and CFO

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		A		7,983(1)	A	$0	110,994	D
Common Stock	12/01/2025		F		3,142(2)	D	$53.02	107,852	D
Common Stock	12/01/2025		F		8,916(3)	D	$53.02	98,936	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 issued to the reporting person to settle performance share units that were not derivative securities under the Issuer's Amended and Restated 2020 Long Term Incentive Plan.

2. These shares were deemed surrendered to satisfy the reporting person's tax liability incident to the issuance of the shares reported on the preceding line.

3. 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 Atanas H. Atanasov	12/03/2025
	** 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 transaction did HF Sinclair (DINO) report on this Form 4?

The Form 4 reports that EVP and CFO Atanas H. Atanasov had 7,983 HF Sinclair common shares issued to him on 12/01/2025 to settle performance share units, and surrendered a total of 12,058 shares at $53.02 per share to cover related tax liabilities.

How many HF Sinclair (DINO) shares does the EVP and CFO own after the reported transactions?

Following the reported 12/01/2025 transactions, Atanas H. Atanasov beneficially owns 98,936 shares of HF Sinclair common stock in direct ownership.

Why were some HF Sinclair (DINO) shares surrendered by the executive?

The filing states that 3,142 shares were surrendered to satisfy tax liabilities related to the issuance of performance share units, and 8,916 shares were surrendered to satisfy tax liabilities related to the vesting of previously reported restricted stock unit grants.

What type of shares were issued to the HF Sinclair (DINO) executive at $0?

The 7,983 shares of HF Sinclair common stock were deemed issued to settle performance share units that were not derivative securities under the company’s Amended and Restated 2020 Long Term Incentive Plan.

Does this HF Sinclair (DINO) Form 4 involve derivative securities?

Table II for derivative securities is present but contains no entries, while the explanation notes that the performance share units settled into 7,983 common shares were not classified as derivative securities under the incentive plan.

Who signed the HF Sinclair (DINO) Form 4 for the reporting person?

The Form 4 was signed by Harrison Morris as Attorney-in-Fact for Atanas H. Atanasov, with a signature date of 12/03/2025.