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 * SANCHEZ ANTONIO R III   2. Issuer Name and Ticker or Trading Symbol Sanchez Energy Corp [SNEC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) 1000 MAIN STREET, SUITE 3000 3. Date of Earliest Transaction (Month/Day/Year) 03/01/2019 (Street) HOUSTON, TX 77002 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 03/01/2019   M   49,047 A (1) 1,935,713 D   Common Stock 03/01/2019   D   49,047 D $ 0.26 1,886,666 D   Common Stock 03/01/2019   F   19,300 D $ 0.26 1,867,366 D   Common Stock               799,472 I By Sanchez Oil & Gas Corporation (2) Common Stock               371,836 I By 1988 Trust No. 11 (3)

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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

Phantom Stock

(1)

03/01/2019

M

49,047

03/01/2019(4)

03/01/2019(4)

Common Stock

49,047

$ 0

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
SANCHEZ ANTONIO R III 1000 MAIN STREET, SUITE 3000 HOUSTON, TX 77002	X		President and CEO

Signatures

/s/ Antonio R. Sanchez, III		03/05/2019
**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)	Each share of phantom stock is the economic equivalent of one share of the Issuer's common stock, par value $0.01 per share. The Reporting Person settled his shares of phantom stock for cash.
(2)	These shares are owned directly by Sanchez Oil & Gas Corporation ("SOG"). SOG is managed by Reporting Person and other members of the Sanchez family. Reporting Person may be deemed to share voting and dispositive power over the shares held by SOG. Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership by Reporting Person of the reported securities for purposes of Section 16 or any other purpose.
(3)	These shares are owned directly by 1988 Trust No. 11. Reporting Person is a co-trustee, along with A. R. Sanchez, Jr., and a beneficiary of 1988 Trust No. 11. Reporting Person may be deemed to share voting and dispositive power over the shares held by 1988 Trust No. 11. Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership by Reporting Person of the reported securities for purposes of Section 16 or any other purpose.
(4)	Phantom stock is payable only in cash, which vests in equal annual increments over a five-year period.

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