Delek US EVP granted 42,798 restricted shares

Russell Amber reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Russell Amber reported acquisition or exercise transactions in this Form 4 filing.

Delek US Holdings, Inc. Executive Vice President of Refining Amber Russell reported an equity compensation award. Russell received 42,798 shares of common stock on a grant basis, reflected at $0.00 per share, as part of a time-vesting restricted stock unit award.

The RSUs vest over three years, meaning the shares are earned gradually if continued service conditions are met. Following this grant, Russell’s reported direct ownership is 42,798 shares, and there are no derivative (option or similar) positions shown in this filing.

Insider Trade Summary

Grant/Award: 42,798 shares

Grant/Award 1 txn

Insider Russell Amber

Role EVP, Refining

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	42,798	$0.00	$0.00

Holdings After Transaction: Common Stock — 42,798 shares (Direct)

Footnotes (1)

1. F1. Represents a grant of time-vesting restricted stock units that vest over three years.

Key Figures

RSU grant size: 42,798 shares Grant price per share: $0.00 per share Shares owned after grant: 42,798 shares +1 more

4 metrics

RSU grant size 42,798 shares Time-vesting restricted stock units granted to EVP, Refining

Grant price per share $0.00 per share Equity compensation award, not an open-market purchase

Shares owned after grant 42,798 shares Total direct common stock holdings following transaction

Vesting period three years Time-vesting schedule for restricted stock units

Key Terms

restricted stock units, time-vesting, Form 4, Grant, award, or other acquisition

4 terms

restricted stock units financial

"Represents a grant of time-vesting restricted stock units that vest over three years."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

time-vesting financial

"Represents a grant of time-vesting restricted stock units that vest over three years."

Time-vesting is a schedule that gives someone the right to a stock option, restricted share, or other award gradually over a set period rather than all at once; the recipient only “earns” portions of the grant as time passes. For investors, time-vesting matters because it affects when new shares can enter the market, how long employees have incentives to stay and perform, and the timing of potential dilution or insider selling—think of it like receiving paychecks of ownership instead of a lump-sum grant.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Grant, award, or other acquisition financial

"transaction_code_description": "Grant, award, or other acquisition""

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Delek US (DK) report for Amber Russell?

Amber Russell, EVP of Refining at Delek US, reported an equity compensation award of 42,798 common shares. The award was granted at $0.00 per share as restricted stock units that vest over three years, rather than being purchased on the open market.

How many Delek US (DK) shares did Amber Russell acquire in this Form 4?

Amber Russell acquired 42,798 shares of Delek US common stock through a grant. These shares represent time-vesting restricted stock units, not an open-market purchase, and they vest over a three-year period subject to continued service conditions.

What type of equity award did Delek US (DK) grant to Amber Russell?

Delek US granted Amber Russell time-vesting restricted stock units representing 42,798 shares. These RSUs vest over three years, meaning the shares are delivered gradually as vesting conditions are met, rather than all at once on the grant date.

Does Amber Russell hold Delek US (DK) shares directly after this transaction?

Yes. After this grant, Amber Russell’s reported direct ownership is 42,798 shares of Delek US common stock. The filing shows these holdings as direct ownership and does not list any associated derivative securities such as stock options.

Was the Delek US (DK) insider transaction a stock purchase or compensation grant?

The transaction was a compensation grant, not a stock purchase. The Form 4 shows an "A" code for grant or award and a price of $0.00 per share, indicating time-vesting restricted stock units rather than an open-market buy or sell transaction.

Over what period do Amber Russell’s Delek US (DK) restricted stock units vest?

Amber Russell’s restricted stock units vest over three years. This means the 42,798-share award becomes fully earned gradually during that timeframe, assuming vesting conditions such as continued employment with Delek US are satisfied throughout the period.

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

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Accepted by SEC EDGAR 05/05/2026 - 08:00 PM EDT Learn about SEC filing dates

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^*

Russell Amber

(Last) (First) (Middle)

310 SEVEN SPRINGS WAY

SUITE 500

(Street)

BRENTWOOD TENNESSEE 37027

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Delek US Holdings, Inc. [ DK ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Refining

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/01/2026

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	05/01/2026		A		42,798	A(1)	$0	42,798	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:

1. Represents a grant of time-vesting restricted stock units that vest over three years.

Remarks:

	/s/ Misty Lavender, Attorney in Fact	05/04/2026
	** 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)