Delek US director plans $457K stock sale

A Delek US Holdings, Inc. director has filed a Rule 144 notice to sell 6,397 DK common shares previously received as restricted stock compensation.

Rhea-AI Filing Summary

Delek US Holdings, Inc. (DK) director Vasiliki (Vicky) Sutil filed a Rule 144 notice for a planned sale of common stock. The filing lists a proposed sale of 6,397 common shares of Delek US Holdings, Inc. through Fidelity Brokerage Services LLC, with an approximate aggregate market value of $457,385.50 and trading on the NYSE.

The notice also details how these shares were originally acquired as restricted stock vesting compensation from Delek US Holdings, Inc. between March 2023 and March 2024. Delek US Holdings, Inc. reports 61,232,174 common shares outstanding, which is a baseline figure, not the amount being sold.

Key Figures

Shares to be sold under Rule 144: 6,397 shares Aggregate market value of shares to be sold: $457,385.50 Shares outstanding: 61,232,174 shares +5 more

8 metrics

Shares to be sold under Rule 144 6,397 shares Proposed sale of Delek US Holdings, Inc. common stock by director Vasiliki (Vicky) Sutil

Aggregate market value of shares to be sold $457,385.50 Approximate aggregate market value of the 6,397 DK shares covered by the Form 144

Shares outstanding 61,232,174 shares Common shares of Delek US Holdings, Inc. outstanding as referenced in the Form 144

Restricted stock vesting on March 10, 2023 936 shares Common stock acquired as compensation via restricted stock vesting on March 10, 2023

Restricted stock vesting on June 10, 2023 936 shares Common stock acquired as compensation via restricted stock vesting on June 10, 2023

Restricted stock vesting on September 9, 2023 1,508 shares Common stock acquired as compensation via restricted stock vesting on September 9, 2023

Restricted stock vesting on December 9, 2023 1,509 shares Common stock acquired as compensation via restricted stock vesting on December 9, 2023

Restricted stock vesting on March 9, 2024 1,508 shares Common stock acquired as compensation via restricted stock vesting on March 9, 2024

Key Terms

Rule 144, restricted stock vesting, aggregate market value, attorney-in-fact

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

restricted stock vesting financial

"Common | 03/10/2023 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

aggregate market value financial

"6397 | 457385.50 | 61232174 | 09/04/2026"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

attorney-in-fact regulatory

"as attorney-in-fact for Vasiliki Sutil"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

What does the Form 144 filing for DK disclose about the planned stock sale?

It discloses that Vasiliki (Vicky) Sutil, a director of Delek US Holdings, Inc. (DK), filed a Rule 144 notice to sell 6,397 common shares of DK through Fidelity Brokerage Services LLC on the NYSE, with an approximate aggregate market value of $457,385.50.

How many Delek US Holdings, Inc. (DK) shares are covered by this Form 144?

The Form 144 covers a proposed sale of 6,397 shares of Delek US Holdings, Inc. common stock. The filing treats this as the total number of shares intended to be sold under Rule 144 in this notice.

Who is selling DK shares under this Form 144 and in what capacity?

The shares are for the account of Vasiliki (Vicky) Sutil, identified as a Director of Delek US Holdings, Inc. The Form 144 is signed by Daniel Tucci as a duly authorized representative of Fidelity Brokerage Services LLC, acting as attorney-in-fact for Sutil.

How were the DK shares in this Form 144 originally acquired?

The filing states the shares were acquired as restricted stock vesting from Delek US Holdings, Inc. as compensation, with multiple vesting dates between March 10, 2023 and March 9, 2024, including lots of 936, 1,508, and 1,509 shares.

What does the Form 144 say about Delek US Holdings, Inc. shares outstanding?

Delek US Holdings, Inc. reports 61,232,174 shares of common stock outstanding in connection with this Form 144. This figure provides context for the company’s total equity base and is separate from the 6,397 shares covered by the planned sale.

Which broker will handle the planned DK share sale in this Form 144?

The intended broker is Fidelity Brokerage Services LLC, located in Smithfield, Rhode Island. The Form 144 lists this firm in the securities information section as the broker through which the 6,397 DK common shares may be sold on the NYSE.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/04/2026 - 10:26 AM Accepted by SEC EDGAR 09/04/2026 - 10:24 AM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001508550
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Delek US Holdings, Inc.
SEC File Number	001-38142
Address of Issuer	310 SEVEN SPRINGS WAY SUITE 500 BRENTWOOD TENNESSEE 37027
Phone	615-771-6701
Name of Person for Whose Account the Securities are To Be Sold	Sutil Vicky
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	6397	457385.50	61232174	09/04/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	03/10/2023	Restricted Stock Vesting	Issuer			936	03/10/2023	Compensation
Common	06/10/2023	Restricted Stock Vesting	Issuer			936	06/10/2023	Compensation
Common	12/09/2023	Restricted Stock Vesting	Issuer			1509	12/09/2023	Compensation
Common	09/09/2023	Restricted Stock Vesting	Issuer			1508	09/09/2023	Compensation
Common	03/09/2024	Restricted Stock Vesting	Issuer			1508	03/09/2024	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	09/04/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	06/05/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Vasiliki Sutil
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)