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 OF SECURITIES 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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(Print or Type Responses)

1. Name and Address of Reporting Person * Lambuth John   2. Issuer Name and Ticker or Trading Symbol CIMAREX ENERGY CO [XEC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) SVP-Exploration (Last) (First) (Middle) 1700 LINCOLN STREET SUITE 3700 3. Date of Earliest Transaction (Month/Day/Year) 12/06/2018 (Street) DENVER, CO 80203 4. If Amendment, Date Original Filed(Month/Day/Year) 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 (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 12/06/2018   A   19,894 (1) A $ 0 132,962 D   Common Stock 12/06/2018   A   16,619 (2) A $ 0 149,581 D   Common Stock 12/09/2018   F   10,622 (3) D $ 75.22 138,959 D   Common Stock 12/09/2018   J   10,851 (4) (5) D $ 75.22 128,108 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 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
Lambuth John 1700 LINCOLN STREET SUITE 3700 DENVER, CO 80203			SVP-Exploration

Signatures

Francis B. Barron, as Attorney-in-Fact		12/10/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Represents an award of restricted stock that will vest in its entirety on December 1, 2021 provided that the reporting person remains in the continuous employment of Cimarex through that date.
(2)	Represents a performance award of restricted stock that is subject to the satisfaction of certain performance criteria through December 1, 2021 provided that the reporting person remains in continuous employment with Cimarex through that date.
(3)	Relates to performance award with a vesting date of 12/9/2018. Represents shares vested but withheld for taxes as permitted by the award agreement.
(4)	Represents shares forfeited pursuant to performance conditions under a Performance Award Agreement.
(5)	The amount of securities beneficially owned as reported in column 5 includes 19,894 shares of restricted stock subject to service-based vesting and 86,505 shares subject to service-based vesting and the satisfaction of certain performance criteria.

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