HF Sinclair DINO Form 4 shows 437,238-share insider sale to issuer

Rhea-AI Filing Summary

HF Sinclair Corp (DINO) insider REH Advisors Inc., which is deemed a director by deputization through its representative Ross B. Matthews, reported a private sale of common stock back to the company. On 11/18/2025, the reporting person disposed of 437,238 shares of HF Sinclair common stock at a price of $54.89 per share in a private transaction with the issuer under a Stock Purchase Agreement dated November 18, 2025. After this transaction, REH Advisors Inc. reported beneficial ownership of 12,711,842 shares of HF Sinclair common stock, held directly.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider REH Advisors Inc.

Role Director

Type	Security	Shares	Price	Value
Disposition	Common Stock	437,238	$54.89	$24.00M

Holdings After Transaction: Common Stock — 12,711,842 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

REH Advisors Inc.

(Last) (First) (Middle)

2800 WEST LINCOLNWAY

(Street)

CHEYENNE WY 82009

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
11/18/2025

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	11/18/2025		D(1)		437,238	D	$54.89	12,711,842	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 sold by the Reporting Person to the Issuer in a private transaction pursuant to the Stock Purchase Agreement between the Reporting Person and the Issuer dated November 18, 2025.

Remarks:

Ross B. Matthews currently serves as representative of the Reporting Person on the Issuer's board of directors, and therefore the Reporting Person constitutes a "director by deputization" of the Issuer.

	REH ADVISORS INC., By: /s/ Ross B. Matthews, Name: Ross B. Matthews, Title: Chair of the Board	11/20/2025
	** 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 insider transaction was reported for HF Sinclair Corp (DINO)?

The filing reports that REH Advisors Inc., an insider of HF Sinclair Corp (DINO), sold 437,238 shares of common stock to the issuer in a private transaction on 11/18/2025.

At what price were the HF Sinclair (DINO) shares sold in this Form 4 filing?

The 437,238 HF Sinclair common shares were sold at a price of $54.89 per share in the reported transaction.

Who is the reporting person in this HF Sinclair (DINO) Form 4 and what is their role?

The reporting person is REH Advisors Inc.. Ross B. Matthews serves as its representative on HF Sinclair’s board of directors, making REH Advisors Inc. a "director by deputization" of the issuer.

How many HF Sinclair (DINO) shares does the insider own after the reported sale?

Following the sale, REH Advisors Inc. reported beneficial ownership of 12,711,842 shares of HF Sinclair common stock, held in direct form.

Was the HF Sinclair (DINO) insider transaction part of a private agreement?

Yes. The shares were sold by the reporting person to HF Sinclair in a private transaction pursuant to a Stock Purchase Agreement between REH Advisors Inc. and the issuer dated November 18, 2025.

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

The provided tables list only a transaction in common stock and show no acquired or disposed derivative securities in Table II.