Delek US (DK) director sells 5,000 shares under Rule 10b5-1 plan

Rhea-AI Filing Summary

Delek US Holdings director William J. Finnerty reported an open-market sale of 5,000 shares of Common Stock at $51.50 per share on June 29, 2026. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan.

After this sale, Finnerty continues to hold 34,805 Delek US shares directly, indicating he retains a substantial equity stake while realizing some liquidity in a planned, systematic manner.

Insights

Equity governance analyst

Director’s 5,000-share planned sale looks routine and pre-arranged.

Director William J. Finnerty sold 5,000 shares of Delek US Holdings Common Stock at $51.50 per share in an open-market transaction. The filing notes this sale was made pursuant to a Rule 10b5-1 plan, which is a pre-scheduled trading arrangement.

Following the transaction, Finnerty still directly owns 34,805 shares, so the sale represents only a portion of his holdings. Because it was executed under a 10b5-1 plan and leaves a meaningful remaining stake, this transaction appears routine with limited informational value about his view of the stock.

Insider Trade Summary 10b5-1

Net Seller: 5,000 shares ($257,500)

Net Sell 1 txn

Insider FINNERTY WILLIAM J

Role null

Sold 5,000 shs ($258K)

Type	Security	Shares	Price	Value
Sale	Common Stock	5,000	$51.50	$258K

Holdings After Transaction: Common Stock — 34,805 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares sold: 5,000 shares Sale price: $51.50 per share Shares held after sale: 34,805 shares

3 metrics

Shares sold 5,000 shares Open-market sale on June 29, 2026

Sale price $51.50 per share Common Stock transaction price

Shares held after sale 34,805 shares Director’s direct ownership following transaction

Key Terms

Rule 10b5-1, affirmative defense conditions, Common Stock, open-market sale

4 terms

Rule 10b5-1 regulatory

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

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.

affirmative defense conditions regulatory

"…intended to satisfy the affirmative defense conditions of Rule 10b5-1(c)."

Common Stock financial

"Security title reported for this transaction is 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.

open-market sale financial

"The transaction_action field describes this as an 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.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/01/2026 - 08:47 PM Accepted by SEC EDGAR 07/01/2026 - 08:47 PM 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)
06/29/2026

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	06/29/2026		S(1)		5,000	D	$51.5	34,805	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	07/01/2026
	** 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 Delek US (DK) report for William J. Finnerty?

Delek US director William J. Finnerty reported selling 5,000 shares of Common Stock at $51.50 per share. The sale occurred on June 29, 2026, as an open-market transaction disclosed in a Form 4 filing.

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

Yes. The Form 4 footnote states Finnerty’s 5,000-share sale was made under a Rule 10b5-1 trading plan. Such plans pre-schedule trades, helping demonstrate they are routine rather than timed based on nonpublic information.

How many Delek US (DK) shares does William J. Finnerty hold after the sale?

After selling 5,000 shares, William J. Finnerty directly holds 34,805 shares of Delek US Holdings Common Stock. This remaining position shows he continues to maintain a significant personal stake in the company following the reported transaction.

What price did the Delek US (DK) director receive for the shares sold?

Finnerty’s open-market sale of Delek US Common Stock was executed at an average price of $51.50 per share. This price reflects the transaction value reported in the Form 4 for the 5,000 shares sold on June 29, 2026.

What does a Rule 10b5-1 plan mean in the Delek US (DK) Form 4 filing?

The footnote explains the transaction was under a Rule 10b5-1 plan, intended to satisfy Rule 10b5-1(c) affirmative defense conditions. This indicates trades were pre-arranged, supporting that the timing was not based on new, material nonpublic information.