SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Oasis Petroleum Inc.

(Last) (First) (Middle)
1001 FANNIN ST., SUITE 1500

(Street)
HOUSTON TX 77002

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Oasis Midstream Partners LP [ OMP ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
11/19/2018
4. If Amendment, Date of 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
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 11/19/2018 J(1) 3,950,000(1) A (1) 9,075,000 I See Footnotes(1)(3)
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 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: 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
Subordinated units representing limited partner interests (2) (2) (2) Common units representing limited partner interests 13,750,000 13,750,000 I See Footnote(3)
1. Name and Address of Reporting Person*
Oasis Petroleum Inc.

(Last) (First) (Middle)
1001 FANNIN ST., SUITE 1500

(Street)
HOUSTON TX 77002

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Oasis Petroleum LLC

(Last) (First) (Middle)
1001 FANNIN STREET, SUITE 1500

(Street)
HOUSTON TX 77002

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
OMS Holdings LLC

(Last) (First) (Middle)
1001 FANNIN STREET, SUITE 1500

(Street)
HOUSTON TX 77002

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
Explanation of Responses:
1. Pursuant to that certain Contribution Agreement, by and among Oasis Midstream Partners, LP (the "Issuer"), OMS Holdings LLC ("OMS Holdings"), Oasis Midstream Services LLC, OMP GP LLC, OMP Operating LLC and, for certain limited purposes set forth therein, Oasis Petroleum Inc. ("OAS"), dated November 7, 2018, OAS caused OMS to contribute certain assets to OMP Operating, as the Issuer's designee, in exchange for the distribution to OMS Holdings of consideration including 3,950,000 common units representing limited partner interests ("common units").
2. The subordinated units representing limited partner interests in the Issuer ("subordinated units") have no expiration date and will convert into common units on a one-for-one basis at the end of the "subordination period" described in the Issuer's Prospectus (File No. 333-217976) filed with the Securities and Exchange Commission on September 22, 2017.
3. This Form 4 is being filed jointly by OMS Holdings, Oasis Petroleum LLC ("Oasis Petroleum") and OAS. As of November 27, 2018, OMS Holdings directly owns 9,075,000 common units and 13,750,000 subordinated units, Oasis Petroleum directly owns 100% of the outstanding membership interests in OMS Holdings and OAS directly owns 100% of the outstanding membership interests in Oasis Petroleum. Accordingly, OAS and Oasis Petroleum may be deemed to be an indirect beneficial owner of the securities of the Issuer held by OMS Holdings.
Remarks:
/s/ Nickolas J. Lorentzatos, Executive Vice President, General Counsel and Corporate Secretary of Oasis Petroleum Inc. 11/28/2018
/s/ Nickolas J. Lorentzatos, Executive Vice President, General Counsel and Corporate Secretary of Oasis Petroleum LLC 11/28/2018
/s/ Nickolas J. Lorentzatos, Executive Vice President, General Counsel and Corporate Secretary of OMS Holdings LLC 11/28/2018
** Signature of Reporting Person Date
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