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 * Wallace Family Partnership, LP   2. Issuer Name and Ticker or Trading Symbol RSP Permian, Inc. [RSPP] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) __X__ Other (specify below) Director by deputization (Last) (First) (Middle) 508 W. WALL STREET, SUITE 1200 3. Date of Earliest Transaction (Month/Day/Year) 04/18/2018 (Street) MIDLAND, TX 79701 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) ___ Form filed by One Reporting Person _X_ 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 04/18/2018   S   62,500 D $ 48.95 (1) (2) 8,001,626 I See Note (3) Common Stock               27,781 I See Note (4) Common Stock               82,109 I See Note (5) Common Stock               2,166,152 I See Note (6) Common Stock               500 I See Note (7) Common Stock               300 I See Note (8)

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
Wallace Family Partnership, LP 508 W. WALL STREET, SUITE 1200 MIDLAND, TX 79701		X		Director by deputization
Michael Wallace Management, LLC 508 W. WALL STREET, SUITE 1200 MIDLAND, TX 79701		X
Wallace Michael W. 3141 HOOD STREET, STE 500 DALLAS, TX 75219	X	X
Wallace Leslyn M. 508 W. WALL STREET, SUITE 1200 MIDLAND, TX 79701		X

Signatures

/s/ James E. Mutrie, attorney-in-fact for Wallace Family Partnership, LP		04/20/2018
**Signature of Reporting Person		Date
/s/ James E. Mutrie, attorney-in-fact for Michael Wallace Management, LLC		04/20/2018
**Signature of Reporting Person		Date
/s/ James E. Mutrie, attorney-in-fact for Michael W. Wallace		04/20/2018
**Signature of Reporting Person		Date
/s/ James E. Mutrie, attorney-in-fact for Leslyn M. Wallace		04/20/2018
**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)	On April 18, 2018, pursuant to a plan of disposition adopted in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934 (the "10b5-1 Plan"), Wallace Family Partnership, LP ("Wallace LP") sold 62,500 shares in multiple trades at prices ranging from $48.45 to $49.25. The price reported above reflects the weighted average sale price. Wallace LP hereby undertakes to provide to the Securities and Exchange Commission staff, the issuer or any security holder of the issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected.
(2)	The first sale under the 10b5-1 Plan was on January 11, 2018. No more than 250,000 shares may be sold in the aggregate under the 10b5-1 Plan. The 10b5-1 Plan terminates no later than July 3, 2018, regardless of whether the maximum of 250,000 shares in the aggregate have been sold.
(3)	These securities are held by Wallace LP. Michael Wallace Management, LLC ("Wallace Management") is the general partner of Wallace LP, and Mr. Wallace and Mrs. Wallace are the managers of Wallace Management. Accordingly, each of Mr. and Mrs. Wallace may be deemed to share voting and dispositive power over the reported securities of Wallace LP, and as a result may be deemed to beneficially own the reported securities of Wallace LP. Each of Mr. and Mrs. Wallace disclaim beneficial ownership of the reported securities of Wallace LP except to the extent of his or her pecuniary interest therein.
(4)	These securities are held of record by Michael W. Wallace. Leslyn M. Wallace, Mr. Wallace's spouse, disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.
(5)	These securities are held of record by Mrs. Wallace. Mr. Wallace disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.
(6)	These securities are held of record by Collins & Wallace Holdings, LLC. The Estate of Ted Collins, Jr. and Wallace LP are the members of Collins & Wallace Holdings, LLC. Wallace Management is the general partner of Wallace LP, and Mr. and Mrs. Wallace are the managers of Wallace Management. Accordingly, The Estate of Ted Collins, Jr. and Mr. and Mrs. Wallace may be deemed to share voting and dispositive power over the reported securities of Collins & Wallace Holdings, LLC, and as a result may be deemed to beneficially own the reported securities of Collins & Wallace Holdings, LLC. Each of Mr. and Mrs. Wallace disclaim beneficial ownership of the reported securities except to the extent of his or her pecuniary interest therein.
(7)	These securities were purchased by Mr. Wallace as custodian for a minor child under the Uniform Transfer to Minors Act. Mr. Wallace disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.
(8)	These securities are held by a member of Mr. and Mrs. Wallace's immediate family sharing the same household. Mr. and Mrs. Wallace disclaim beneficial ownership of these securities except to the extent of their pecuniary interest therein.

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