REH Advisors Inc. - 02 Aug 2026 Form 4 Insider Report for HF Sinclair Corp (DINO)

Reporting relationship: Director
Issuer ticker: DINO
Reported as of: 02 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 04 Aug 2026, 20:35:49 UTC
Prior SEC filing: 20 May 2026
Source filing: View source filing
Reporting owner signature: REH ADVISORS INC., By: /s/ Ross B. Matthews, Name: Ross B. Matthews, Title: Chair of the Board

Key filing fact

REH Advisors Inc. filed Form 4 for HF Sinclair Corp (DINO) on 04 Aug 2026.

Key facts

This page summarizes REH Advisors Inc.'s Form 4 filing for HF Sinclair Corp (DINO).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 04 Aug 2026, 20:35.

Change

Previous filing in this sequence was filed on 20 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002027139 Primary reporting owner

REH Advisors Inc.

Relationship: Director
Address: 2800 WEST LINCOLNWAY, CHEYENNE
Signature: REH ADVISORS INC., By: /s/ Ross B. Matthews, Name: Ross B. Matthews, Title: Chair of the Board
Signature date: 04 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

DINO transaction

Common Stock

Disposed to Issuer

Transaction value
Shares: -2,375,000
Change %: -21%
Price: $89.41^*
Shares after: 8,881,662
Date: 02 Aug 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote 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 August 2, 2026.

SEC 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.