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
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

SANCHEZ ANTONIO R III 		2. Issuer Name and Ticker or Trading Symbol

Sanchez Energy Corp [ SN ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
Chief Executive Officer
(Last)          (First)          (Middle)

1000 MAIN STREET, SUITE 3000 		3. Date of Earliest Transaction (MM/DD/YYYY)

9/13/2017
(Street)

HOUSTON, TX 77002
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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   9/13/2017     P (1)    100000   A $4.4538   (2) 1494783   D    
Common Stock                  799472   I   By Sanchez Oil & Gas Corporation   (3)
Common Stock                  371836   I   By 1988 Trust No. 11   (4)

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 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 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

Explanation of Responses:
(1)  Reporting Person's purchase of a portion of the reported shares may be matchable under Section 16(b) of the Securities Exchange Act of 1934, as amended, with the disposition, on June 16, 2017, by Sanchez Oil & Gas Corporation ("SOG") of a portion of the shares of the common stock of Sanchez Energy Corporation ("SN"), to the extent of Reporting Person's pecuniary interest therein. Accordingly, Reporting Person has agreed to pay to SN, upon settlement of the purchase, the full amount of the profit realized by Reporting Person in connection with the short-swing transaction.
(2)  This transaction was executed in multiple trades at prices ranging from $4.34 to $4.50. The price reported above reflects the weighted average purchase price. Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, SN or a security holder of SN full information regarding the number of shares and prices at which the transaction was effected.
(3)  These shares are owned directly by 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.
(4)  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.

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
Chief Executive Officer

Signatures
/s/ Antonio R. Sanchez, III 9/14/2017
** 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 control number.