[Form 4] HF Sinclair Corp Insider Trading Activity

Rhea-AI Filing Summary

HF Sinclair (DINO) disclosed an insider equity award on Form 4. EVP and CFO Atanas H. Atanasov acquired 24,084 shares of common stock on 11/11/2025, reported as an “A” code transaction at $0 per share.

The award consists of restricted stock units granted under the HF Sinclair Corporation Amended and Restated 2020 Long Term Incentive Plan. The RSUs vest in three equal annual installments beginning December 1, 2026, with payment in common stock within 30 days after each vesting date, contingent on continued employment through each vesting date.

Following the reported transaction, Atanasov beneficially owns 103,011 shares, held directly.

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^*

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)
11/11/2025

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	11/11/2025		A		24,084	A	$0(1)	103,011	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. Restricted stock units granted under the HF Sinclair Corporation Amended and Restated 2020 Long Term Incentive Plan. The restricted stock units vest in three equal annual installments beginning December 1, 2026 (or on the first business day thereafter if such date falls on a weekend), provided that the reporting person remains in the employ of the Issuer from the grant date through each such vesting date. The vested restricted stock units will be paid within 30 days following the vesting date in the form of the Issuer's common stock equal to the number of vested restricted stock units.

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney

	Harrison Morris Attorney-in-Fact for Atanas H. Atanasov	11/13/2025
	** 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).
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.

FAQ

What did HF Sinclair (DINO) report on this Form 4?

An insider equity award: the EVP & CFO acquired 24,084 shares as part of a restricted stock unit grant.

Who is the reporting person in DINO’s Form 4?

The reporting person is Atanas H. Atanasov, HF Sinclair’s EVP and CFO.

When did the transaction occur for DINO’s Form 4?

The earliest transaction date reported is 11/11/2025.

What is the vesting schedule for the 24,084 RSUs at DINO?

They vest in three equal annual installments beginning December 1, 2026, with shares delivered within 30 days after each vesting date.

Under which plan were the RSUs granted at DINO?

Under the HF Sinclair Corporation Amended and Restated 2020 Long Term Incentive Plan.

How many HF Sinclair shares does the CFO beneficially own after this transaction?

Post-transaction beneficial ownership is 103,011 shares, held directly.

What transaction code appears on DINO’s Form 4?

Transaction code A, indicating an acquisition (award/grant).