REH Advisors Inc. - 16 Sep 2025 Form 4 Insider Report for HF Sinclair Corp (DINO)

Role: Director
Signature: REH ADVISORS INC., By: /s/ Ross B. Matthews, Name: Ross B. Matthews, Title: Chair of the Board
Issuer symbol: DINO
Transactions as of: 16 Sep 2025
Net transactions value: -$99,999,997
Form type: 4
Filing time: 18 Sep 2025, 21:11:55 UTC
Previous filing: 14 Jun 2024
Next filing: 05 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
REH Advisors Inc.	Director	2800 WEST LINCOLNWAY, CHEYENNE	REH ADVISORS INC., By: /s/ Ross B. Matthews, Name: Ross B. Matthews, Title: Chair of the Board	18 Sep 2025	0002027139

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DINO	Common Stock	Disposed to Issuer	$99,999,997	-1,948,558	-12%	$51.32	14,109,141	16 Sep 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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 September 16, 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.