Delek US Holdings, Inc. Insider Trading Activity

Delek US Holdings, Inc. director William J. Finnerty reported an open-market sale of 5,000 shares of Common Stock at $47.50 per share.

Rhea-AI Filing Summary

Delek US Holdings, Inc. director William J. Finnerty reported an open-market sale of 5,000 shares of Common Stock at $47.50 per share. The transaction was made pursuant to a Rule 10b5-1 trading plan. After this sale, he directly holds 36,369 shares.

Insider Trade Summary 10b5-1

Net Seller: 5,000 shares

Net Sell 1 txn

Insider FINNERTY WILLIAM J

Role Director

Sold 5,000 shs ($238K)

Type	Security	Shares	Price	Value
Sale	Common Stock	5,000	$47.50	$238K

Holdings After Transaction: Common Stock — 36,369 shares (Direct)

Footnotes (1)

1. F1. This transaction was made pursuant to a 10b5-1 plan and is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Key Figures

Shares sold: 5,000 shares Sale price: $47.50 per share Transaction value: $237,500 +2 more

5 metrics

Shares sold 5,000 shares Open-market sale of Common Stock on 2026-03-27

Sale price $47.50 per share Price for 5,000 Common Stock shares sold

Transaction value $237,500 5,000 shares sold at $47.50 per share

Shares held after transaction 36,369 shares Direct ownership after sale

Net buy/sell shares -5,000 shares Net-sell direction in transaction summary

Key Terms

Rule 10b5-1, 10b5-1 plan, open-market sale, Common Stock

4 terms

Rule 10b5-1 regulatory

"This transaction was made pursuant to a 10b5-1 plan and is intended"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

10b5-1 plan regulatory

"This transaction was made pursuant to a 10b5-1 plan and is intended"

A 10b5-1 plan is a pre-arranged strategy that allows company insiders to buy or sell their shares at predetermined times and prices, even while they are aware of confidential information. It acts like a scheduled appointment for trading, helping ensure transactions happen transparently and legally, which can reassure investors that trades are not based on insider knowledge.

open-market sale financial

"transaction_action": "open-market sale""

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": "Common Stock""

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.

FAQ

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

What insider transaction did Delek US (DK) disclose in this Form 4?

Delek US director William J. Finnerty disclosed selling 5,000 shares of Common Stock in an open-market transaction. The sale was executed at $47.50 per share under a pre-arranged Rule 10b5-1 trading plan, according to the filing details.

How large was William J. Finnerty’s Delek US (DK) stock sale?

William J. Finnerty sold 5,000 Delek US Common Stock shares at $47.50 each. This represents a single open-market sale transaction and, based on the filing, leaves him with a remaining direct holding of 36,369 shares after the trade.

How many Delek US (DK) shares does Finnerty hold after the reported sale?

After the reported transaction, William J. Finnerty directly holds 36,369 shares of Delek US Common Stock. This post-transaction figure in the Form 4 reflects his remaining direct ownership following the 5,000-share open-market sale disclosed in the filing.

Was the Delek US (DK) insider sale made under a Rule 10b5-1 plan?

Yes. The Form 4 footnote states the sale was made pursuant to a Rule 10b5-1 trading plan. Such plans are pre-arranged programs designed to satisfy the affirmative defense conditions of Rule 10b5-1(c) for insider stock transactions.

Is the Delek US (DK) Form 4 sale classified as an open-market transaction?

Yes. The transaction is coded as an open-market sale of Common Stock. The filing describes it as a sale in the open market or a private transaction, with 5,000 shares sold at a price of $47.50 per share on the reported date.

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

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Accepted by SEC EDGAR 03/31/2026 - 08:09 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).

X

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^*

FINNERTY WILLIAM J

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/27/2026

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	03/27/2026		S(1)		5,000	D	$47.5	36,369	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. This transaction was made pursuant to a 10b5-1 plan and is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Remarks:

	/s/ Misty Lavender, Attorney in Fact	03/31/2026
	** 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)