HF Sinclair (DINO) acting CFO sells 717 common shares

Rhea-AI Filing Summary

HF Sinclair Corp acting CFO and vice president Vivek Garg reported an open-market sale of company stock. On May 19, 2026, he sold 717 shares of HF Sinclair common stock at $71.89 per share. After this transaction, he directly holds 11,475 shares of common stock.

Insider Trade Summary

Net Seller: 717 shares ($51,545)

Net Sell 1 txn

Insider Garg Vivek

Role Acting CFO, VP, CAO & CONTR

Sold 717 shs ($52K)

Type	Security	Shares	Price	Value
Sale	Common Stock	717	$71.89	$52K

Holdings After Transaction: Common Stock — 11,475 shares (Direct, null)

Footnotes (1)

Key Figures

Shares sold: 717 shares Sale price: $71.89 per share Shares owned after transaction: 11,475 shares +1 more

4 metrics

Shares sold 717 shares Open-market sale on May 19, 2026

Sale price $71.89 per share Common Stock transaction code S

Shares owned after transaction 11,475 shares Direct holdings following sale

Net shares sold 717 shares Net-sell direction in transaction summary

Key Terms

open-market sale, Common Stock, transaction code S

3 terms

open-market sale financial

"transaction_action: "open-market sale" for the Common Stock transaction"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

"security_title is listed as "Common Stock" for this transaction"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

transaction code S financial

"transaction_code is "S" with description "Sale in open market or private transaction""

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^*

Garg Vivek

(Last) (First) (Middle)

2323 VICTORY AVENUE

SUITE 1400

(Street)

DALLAS TEXAS 75219

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	Acting CFO, VP, CAO & CONTR

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/19/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	05/19/2026		S		717	D	$71.89	11,475	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:

	Harrison Morris Attorney-in-Fact for Vivek Garg	05/21/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did HF Sinclair (DINO) report for Vivek Garg?

HF Sinclair reported that acting CFO and vice president Vivek Garg executed an open-market sale of 717 shares of common stock at $71.89 per share. The transaction was recorded as a direct ownership sale on May 19, 2026.

How many HF Sinclair (DINO) shares did Vivek Garg sell and at what price?

Vivek Garg sold 717 shares of HF Sinclair common stock at a price of $71.89 per share. This reflects a single open-market sale transaction reported in the Form 4 insider trading filing.

How many HF Sinclair (DINO) shares does Vivek Garg hold after the sale?

Following the reported sale, Vivek Garg directly holds 11,475 shares of HF Sinclair common stock. This post-transaction balance is disclosed in the Form 4 as the total shares owned after the May 19, 2026 transaction.

What is the role of Vivek Garg at HF Sinclair (DINO) in this Form 4?

In this Form 4, Vivek Garg is identified as HF Sinclair’s acting chief financial officer, vice president, chief accounting officer, and controller. The filing links his executive role to the reported open-market sale of company common stock.

Was the HF Sinclair (DINO) insider transaction an open-market sale?

Yes. The Form 4 classifies the transaction as an open-market sale of common stock, using transaction code "S" with a description of sale in open market or private transaction. It involves non-derivative common shares directly owned by Vivek Garg.