Sec Form 4 Filing - JAGGERS JOSEPH N @ Jagged Peak Energy Inc. - 2018-02-01

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

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person JAGGERS JOSEPH N 2. Issuer Name and Ticker or Trading Symbol Jagged Peak Energy Inc. [ JAG] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chairman, CEO & President (Last) (First) (Middle) 1401 LAWRENCE STREET, SUITE 1800 3. Date of Earliest Transaction (MM/DD/YY) 02/01/2018 (Street) DENVER, CO80202 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 02/01/2018 A 215,432 ( 1 ) A $ 0 215,432 I By Jaggers Investments, LLLP ( 2 ) Common Stock 02/01/2018 J( 3 ) 215,432 D $ 0 0 I By Jaggers Investments, LLLP Common Stock 02/01/2018 J( 4 ) 4,308 A $ 0 4,569,855 D Common Stock 02/01/2018 A 646,294 ( 5 ) A $ 0 5,216,149 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other JAGGERS JOSEPH N 1401 LAWRENCE STREET, SUITE 1800 DENVER, CO80202 X Chairman, CEO & President Signatures /s/ Christopher I. Humber, Attorney-in-Fact 02/05/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents shares of Jagged Peak Energy Inc. ("Company") common stock ("Common Stock") received by Jaggers Investments, LLLP in connection with the vesting of Series A Units of JPE Management Holdings LLC. Mr. Jaggers has sole voting and dispositive power over these shares. Jaggers Investments, LLLP is an entity, of which Mr. Jaggers is general partner, owned by Mr. Jaggers and certain members of his family. ( 2 )Jaggers Investments, LLLP is an entity, of which Mr. Jaggers is general partner, owned by Mr. Jaggers and certain members of his family. ( 3 )Represents the pro rata distribution by Jaggers Investments, LLLP of all of its shares of Common Stock in the Company in accordance with its limited partnership agreement to its partners. ( 4 )Represents the acquisition by Mr. Jaggers of shares of Common Stock in connection with the distribution from Jaggers Investments, LLLP described in footnote 3. ( 5 )Represents shares of Common Stock received in connection with the vesting of Series A units of JPE Management Holdings LLC.

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.