Ownership Submission
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 *
SemGroup Corp
  2. Issuer Name and Ticker or Trading Symbol
Rose Rock Midstream, L.P. [RRMS]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
TWO WARREN PLACE, 6120 SOUTH YALE AVENUE, SUITE 700
3. Date of Earliest Transaction (Month/Day/Year)
06/23/2014
(Street)

TULSA, OK 74136-4216
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 Units representing limited partner interests 06/23/2014   A   2,425,000 A (2) 6,814,709 I See footnotes (1) (2)

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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
Class A Units representing limited partner interests $ 0 06/23/2014   A   1,250,000     (3)   (3) Common Units representing limited partner interests 1,250,000 (2) 3,750,000 I See footnotes (1) (2)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
SemGroup Corp
TWO WARREN PLACE
6120 SOUTH YALE AVENUE, SUITE 700
TULSA, OK 74136-4216
  X   X    
Rose Rock Midstream Holdings, LLC
TWO WARREN PLACE
6120 S. YALE AVENUE, SUITE 700
TULSA, OK 74136-4216
  X   X    
Rose Rock Midstream Corp
TWO WARREN PLACE
6120 S. YALE AVENUE, SUITE 700
TULSA, OK 74136-4216
  X      

Signatures

 Candice L. Cheeseman, Secretary and General Counsel of SemGroup Corporation   06/25/2014
**Signature of Reporting Person Date

 Candice L. Cheeseman, Secretary and General Counsel of Rose Rock Midstream Holdings, LLC   06/25/2014
**Signature of Reporting Person Date

 Candice L. Cheeseman, Secretary and General Counsel of Rose Rock Midstream Corporation   06/25/2014
**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) This Form 4 is being filed jointly by SemGroup Corporation ('SemGroup'), Rose Rock Midstream Holdings, LLC ('Holdings') and Rose Rock Midstream Corporation ('RRMC'). SemGroup directly owns 100% of the outstanding membership interests of Holdings. Holdings directly owns 100% of the issued and outstanding shares of common stock of RRMC. SemGroup may therefore be deemed to beneficially own securities of the Issuer owned directly by Holdings and RRMC and Holdings may therefore be deemed to beneficially own securities of the Issuer owned directly by RRMC.
(2) In connection with the closing of the transactions contemplated by that certain Contribution Agreement dated as of June 23, 2014, by and among SemGroup, Holdings, Rose Rock Midstream GP, LLC, the Issuer and Rose Rock Midstream Operating, LLC, the Issuer issued to Holdings, among other consideration 2,425,000 Common Units representing limited partner interests in the Issuer and 1,250,000 Class A Units representing limited partner interests in the Issuer, in exchange for a 33.34% membership interest in SemCrude Pipeline, L.L.C., which owns a 51% membership interest in White Cliffs Pipeline, L.L.C.
(3) The Class A Units have no expiration date and will convert into Common Units representing limited partner interests in the Issuer on a one-for-one bases on the first day of the month immediately following the first month for which average daily throughput volumes on the White Cliffs Pipeline for such month are 125 thousand barrels per day or greater.

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