Sec Form 4 Filing - Holmes Donald Norman @ Delek US Holdings, Inc. - 2017-09-15

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Holmes Donald Norman 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) Executive Vice President (DK) (Last) (First) (Middle) 7102 COMMERCE WAY 3. Date of Earliest Transaction (MM/DD/YY) 09/15/2017 (Street) BRENTWOOD, TN37027 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 09/15/2017 M 1,500 ( 1 ) A $ 10.65 30,989 D Common Stock 09/15/2017 D 637 ( 2 ) D $ 25.08 30,352 D Common Stock 09/15/2017 F 237 ( 3 ) D $ 25.08 30,115 D Common Stock 09/15/2017 S 626 ( 1 ) D $ 25.08 29,489 D Common Stock 09/15/2017 M 1,500 ( 4 ) A $ 16.21 30,989 D Common Stock 09/15/2017 D 959 ( 2 ) D $ 25.37 30,030 D Common Stock 09/15/2017 F 149 ( 3 ) D $ 25.37 29,881 D Common Stock 09/15/2017 S 392 ( 4 ) D $ 25.37 29,489 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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 Stock Appreciation Right $ 10.65 09/15/2017 M 1,500 ( 5 ) 12/10/2021 Common Stock 1,500 $ 0 1,000 D Stock Appreciation Right $ 16.21 09/15/2017 M 1,500 ( 6 ) 06/10/2022 Common Stock 1,500 $ 0 1,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Holmes Donald Norman 7102 COMMERCE WAY BRENTWOOD, TN37027 Executive Vice President (DK) Signatures /s/ Donald L. Holmes 09/18/2017 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The reported 626 shares of Common Stock sold on September 15, 2017 were acquired upon exercise of a stock appreciation right on the same date. ( 2 )Disposition of shares of Common Stock to Delek US Holdings, Inc. for payment of the exercise price in connection with the exercise of the stock appreciation right. ( 3 )Shares withheld to cover the tax withholding obligation in connection with the exercise of the stock appreciation right. ( 4 )The reported 392 shares of Common Stock sold on September 15, 2017 were acquired upon exercise of a stock appreciation right on the same date. ( 5 )The stock appreciation right vested with respect to 8,125 shares on each of December 10, 2012, 2013, 2014 and 2015. ( 6 )The stock appreciation right vested with respect to 6,500 shares on each of June 10, 2013, 2014, 2015 and 2016.

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).

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