STOCK TITAN

HF Sinclair (DINO) CEO Timothy Go reports share awards and tax surrenders

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

HF Sinclair Corp CEO and President Timothy Go, who also serves as a director, reported several equity transactions dated 12/01/2025. He acquired 37,783 shares of common stock at $0, issued to settle performance share units under the company’s Amended and Restated 2020 Long Term Incentive Plan. He then surrendered 14,868 shares and separately 26,277 shares at $53.02 per share to cover tax liabilities tied to the new share issuance and vesting of previously reported restricted stock units.

After these transactions, Go directly beneficially owned 149,158 shares of HF Sinclair common stock and indirectly beneficially owned 242,833 shares through a family trust, where he and his spouse are trustees and beneficiaries. The trust balance reflects a transfer of 63,410 shares during the reporting period.

Positive

  • None.

Negative

  • None.
Insider Go Timothy
Role CEO and President
Type Security Shares Price Value
Grant/Award Common Stock 37,783 $0.00 --
Tax Withholding Common Stock 14,868 $53.02 $788K
Tax Withholding Common Stock 26,277 $53.02 $1.39M
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 164,026 shares (Direct); Common Stock — 242,833 shares (Indirect, By Trust)
Footnotes (1)
  1. These shares were deemed issued to the reporting person to settle performance share units that were not derivative securities under the Issuer's Amended and Restated 2020 Long Term Incentive Plan. Reflects the transfer of 63,410 shares within the reporting period to a family trust, of which the reporting person and his spouse are trustees and beneficiaries. These shares were deemed surrendered to satisfy the reporting person's tax liability incident to the issuance of the shares reported on the preceding line. These shares were deemed surrendered to satisfy the reporting person's tax liability incident to the vesting of restricted stock unit grants previously reported.
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*
Go Timothy

(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)
X Director 10% Owner
X Officer (give title below) Other (specify below)
CEO and President
3. Date of Earliest Transaction (Month/Day/Year)
12/01/2025
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 12/01/2025 A 37,783(1) A $0 164,026 D
Common Stock 12/01/2025 F 14,868(3) D $53.02 149,158 D
Common Stock 12/01/2025 F 26,277(4) D $53.02 122,881 D
Common Stock 242,833(2) I By Trust
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 deemed issued to the reporting person to settle performance share units that were not derivative securities under the Issuer's Amended and Restated 2020 Long Term Incentive Plan.
2. Reflects the transfer of 63,410 shares within the reporting period to a family trust, of which the reporting person and his spouse are trustees and beneficiaries.
3. These shares were deemed surrendered to satisfy the reporting person's tax liability incident to the issuance of the shares reported on the preceding line.
4. These shares were deemed surrendered to satisfy the reporting person's tax liability incident to the vesting of restricted stock unit grants previously reported.
Harrison Morris Attorney-in-Fact for Timothy Go 12/03/2025
** 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 transactions did HF Sinclair (DINO) CEO Timothy Go report on December 1, 2025?

Timothy Go reported receiving 37,783 HF Sinclair (DINO) common shares at $0 from performance share units and surrendering 14,868 shares and 26,277 shares at $53.02 each to cover tax liabilities tied to these equity awards.

How many HF Sinclair (DINO) shares does Timothy Go own after the reported Form 4 transactions?

Following the reported transactions, Timothy Go directly beneficially owned 149,158 HF Sinclair (DINO) shares and indirectly beneficially owned 242,833 shares through a family trust.

What is the nature of the 37,783 HF Sinclair (DINO) shares acquired by Timothy Go?

The 37,783 shares of HF Sinclair common stock were deemed issued to Timothy Go to settle performance share units granted under the company’s Amended and Restated 2020 Long Term Incentive Plan.

Why did Timothy Go surrender HF Sinclair (DINO) shares at $53.02 per share?

He surrendered 14,868 shares at $53.02 per share to satisfy tax liabilities related to the newly issued shares and 26,277 shares at $53.02 per share to satisfy tax liabilities tied to the vesting of previously reported restricted stock units.

What role does the family trust play in Timothy Go’s HF Sinclair (DINO) share ownership?

The family trust, where Timothy Go and his spouse are trustees and beneficiaries, held 242,833 HF Sinclair (DINO) shares after the period. This reflects a transfer of 63,410 shares into the trust during the reporting period.

What positions does Timothy Go hold at HF Sinclair (DINO)?

Timothy Go is reported as both a Director and an Officer, serving as CEO and President of HF Sinclair Corp (DINO).