SC 13G

 

 

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

 

SCHEDULE 13G

Under the Securities Exchange Act of 1934

 

 

OASIS PETROLEUM INC

(Name of Issuer)

COMMON STOCK

(Title of Class of Securities)

674215108

(CUSIP Number)

December 9, 2014

(Date of Event Which Requires Filing of this Statement)

 

 

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

 

¨ Rule 13d-1(b)

 

x Rule 13d-1(c)

 

¨ Rule 13d-1(d)

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

 

 

 


CUSIP No. 674215108   Page 2 of 35 Pages

 

  1   

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

 

Atlas Master Fund, Ltd.

  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

 

(a)  ¨        (b)  ¨

  3  

SEC USE ONLY

 

  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

Cayman

NUMBER OF

SHARES

BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

     

SOLE VOTING POWER

 

2,137,116 (See Item 4)

   6   

SHARED VOTING POWER

 

None (see Item 4)

   7   

SOLE DISPOSITIVE POWER

 

2,137,116 (See Item 4)

   8   

SHARED DISPOSITIVE POWER

 

None

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

2,137,116 (See Item 4)

10  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ¨

 

Not Applicable

11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

2.11%

12  

TYPE OF REPORTING PERSON*

 

CO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 674215108   Page 3 of 35 Pages

 

  1   

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

 

Atlas Global, LLC

  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

 

(a)  ¨        (b)  ¨

  3  

SEC USE ONLY

 

  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

Delaware

NUMBER OF

SHARES

BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

     

SOLE VOTING POWER

 

2,137,116

   6   

SHARED VOTING POWER

 

None (See Item 4)

   7   

SOLE DISPOSITIVE POWER

 

2,137,116

   8   

SHARED DISPOSITIVE POWER

 

None (See Item 4)

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

2,137,116 (See Item 4)

10  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ¨

 

Not Applicable

11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

2.11%

12  

TYPE OF REPORTING PERSON*

 

OO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 674215108   Page 4 of 35 Pages

 

  1   

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

 

Atlas Global Investments, Ltd.

  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

 

(a)  ¨        (b)  ¨

  3  

SEC USE ONLY

 

  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

Cayman

NUMBER OF

SHARES

BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

     

SOLE VOTING POWER

 

2,137,116

   6   

SHARED VOTING POWER

 

None (See Item 4)

   7   

SOLE DISPOSITIVE POWER

 

2,137,116

   8   

SHARED DISPOSITIVE POWER

 

None (See Item 4)

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

2,137,116 (See Item 4)

10  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ¨

 

Not Applicable

11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

2.11%

12  

TYPE OF REPORTING PERSON*

 

CO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 674215108   Page 5 of 35 Pages

 

  1   

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

 

Atlas Institutional Fund, LLC

  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

 

(a)  ¨        (b)  ¨

  3  

SEC USE ONLY

 

  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

Delaware

NUMBER OF

SHARES

BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

     

SOLE VOTING POWER

 

2,137,116

   6   

SHARED VOTING POWER

 

None (See Item 4)

   7   

SOLE DISPOSITIVE POWER

 

2,137,116

   8   

SHARED DISPOSITIVE POWER

 

None (See Item 4)

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

2,137,116 (See Item 4)

10  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ¨

 

Not Applicable

11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

2.11%

12  

TYPE OF REPORTING PERSON*

 

OO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 674215108   Page 6 of 35 Pages

 

  1   

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

 

Atlas Institutional Fund, Ltd.

  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

 

(a)  ¨        (b)  ¨

  3  

SEC USE ONLY

 

  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

Cayman

NUMBER OF

SHARES

BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

     

SOLE VOTING POWER

 

2,137,116

   6   

SHARED VOTING POWER

 

None (See Item 4)

   7   

SOLE DISPOSITIVE POWER

 

2,137,116

   8   

SHARED DISPOSITIVE POWER

 

None (See Item 4)

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

2,137,116 (See Item 4)

10  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ¨

 

Not Applicable

11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

2.11%

12  

TYPE OF REPORTING PERSON*

 

CO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 674215108   Page 7 of 35 Pages

 

  1   

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

 

Atlas Institutional Fund II, LLC

  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

 

(a)  ¨        (b)  ¨

  3  

SEC USE ONLY

 

  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

Delaware

NUMBER OF

SHARES

BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

     

SOLE VOTING POWER

 

2,137,116

   6   

SHARED VOTING POWER

 

None (See Item 4)

   7   

SOLE DISPOSITIVE POWER

 

2,137,116

   8   

SHARED DISPOSITIVE POWER

 

None (See Item 4)

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

2,137,116 (See Item 4)

10  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ¨

 

Not Applicable

11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

2.11%

12  

TYPE OF REPORTING PERSON*

 

OO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 674215108   Page 8 of 35 Pages

 

  1   

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

 

Atlas Institutional Fund II, Ltd.

  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

 

(a)  ¨        (b)  ¨

  3  

SEC USE ONLY

 

  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

Cayman

NUMBER OF

SHARES

BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

     

SOLE VOTING POWER

 

2,137,116

   6   

SHARED VOTING POWER

 

None (See Item 4)

   7   

SOLE DISPOSITIVE POWER

 

2,137,116

   8   

SHARED DISPOSITIVE POWER

 

None (See Item 4)

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

2,137,116 (See Item 4)

10  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ¨

 

Not Applicable

11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

2.11%

12  

TYPE OF REPORTING PERSON*

 

CO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 674215108   Page 9 of 35 Pages

 

  1   

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

 

Atlas Global Japan Unit Trust

  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

 

(a)  ¨        (b)  ¨

  3  

SEC USE ONLY

 

  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

Cayman

NUMBER OF

SHARES

BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

     

SOLE VOTING POWER

 

2,137,116

   6   

SHARED VOTING POWER

 

None (See Item 4)

   7   

SOLE DISPOSITIVE POWER

 

2,137,116

   8   

SHARED DISPOSITIVE POWER

 

None (See Item 4)

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

2,137,116 (See Item 4)

10  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ¨

 

Not Applicable

11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

2.11%

12  

TYPE OF REPORTING PERSON*

 

OO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 674215108   Page 10 of 35 Pages

 

  1   

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

 

Atlas Enhanced Master Fund, Ltd.

  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

 

(a)  ¨        (b)  ¨

  3  

SEC USE ONLY

 

  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

Cayman

NUMBER OF

SHARES

BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

     

SOLE VOTING POWER

 

2,122,269

   6   

SHARED VOTING POWER

 

None (See Item 4)

   7   

SOLE DISPOSITIVE POWER

 

2,122,269

   8   

SHARED DISPOSITIVE POWER

 

None (See Item 4)

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

2,122,269 (See Item 4)

10  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ¨

 

Not Applicable

11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

2.09%

12  

TYPE OF REPORTING PERSON*

 

CO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 674215108   Page 11 of 35 Pages

 

  1   

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

 

Atlas Enhanced Fund, L.P.

  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

 

(a)  ¨        (b)  ¨

  3  

SEC USE ONLY

 

  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

Delaware

NUMBER OF

SHARES

BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

     

SOLE VOTING POWER

 

2,122,269

   6   

SHARED VOTING POWER

 

None (See Item 4)

   7   

SOLE DISPOSITIVE POWER

 

2,122,269

   8   

SHARED DISPOSITIVE POWER

 

None (See Item 4)

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

2,122,269 (See Item 4)

10  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ¨

 

Not Applicable

11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

2.09%

12  

TYPE OF REPORTING PERSON*

 

OO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 674215108   Page 12 of 35 Pages

 

  1   

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

 

Atlas Enhanced Fund, Ltd.

  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

 

(a)  ¨        (b)  ¨

  3  

SEC USE ONLY

 

  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

Cayman

NUMBER OF

SHARES

BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

     

SOLE VOTING POWER

 

2,122,269

   6   

SHARED VOTING POWER

 

None (See Item 4)

   7   

SOLE DISPOSITIVE POWER

 

2,122,269

   8   

SHARED DISPOSITIVE POWER

 

None (See Item 4)

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

2,122,269 (See Item 4)

10  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ¨

 

Not Applicable

11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

2.09%

12  

TYPE OF REPORTING PERSON*

 

CO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 674215108   Page 13 of 35 Pages

 

  1   

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

 

Lyxor/Balyasny Atlas Enhanced Fund Limited

  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

 

(a)  ¨        (b)  ¨

  3  

SEC USE ONLY

 

  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

Jersey

NUMBER OF

SHARES

BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

     

SOLE VOTING POWER

 

220,462

   6   

SHARED VOTING POWER

 

None (See Item 4)

   7   

SOLE DISPOSITIVE POWER

 

220,462

   8   

SHARED DISPOSITIVE POWER

 

None (See Item 4)

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

220,462 (See Item 4)

10  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ¨

 

Not Applicable

11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

.22%

12  

TYPE OF REPORTING PERSON*

 

CO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 674215108   Page 14 of 35 Pages

 

  1   

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

 

BAM Zie Master Fund, Ltd.

  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

 

(a)  ¨        (b)  ¨

  3  

SEC USE ONLY

 

  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

Cayman

NUMBER OF

SHARES

BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

     

SOLE VOTING POWER

 

830,593

   6   

SHARED VOTING POWER

 

None (See Item 4)

   7   

SOLE DISPOSITIVE POWER

 

830,593

   8   

SHARED DISPOSITIVE POWER

 

None (See Item 4)

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

830,593 (See Item 4)

10  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ¨

 

Not Applicable

11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

.82%

12  

TYPE OF REPORTING PERSON*

 

CO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 674215108   Page 15 of 35 Pages

 

  1   

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

 

BAM Zie Fund, LLC

  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

 

(a)  ¨        (b)  ¨

  3  

SEC USE ONLY

 

  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

Delaware

NUMBER OF

SHARES

BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

     

SOLE VOTING POWER

 

830,593

   6   

SHARED VOTING POWER

 

None (See Item 4)

   7   

SOLE DISPOSITIVE POWER

 

830,593

   8   

SHARED DISPOSITIVE POWER

 

None (See Item 4)

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

830,593 (See Item 4)

10  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ¨

 

Not Applicable

11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

.82%

12  

TYPE OF REPORTING PERSON*

 

OO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 674215108   Page 16 of 35 Pages

 

  1   

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

 

BAM Zie Fund, Ltd.

  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

 

(a)  ¨        (b)  ¨

  3  

SEC USE ONLY

 

  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

Cayman

NUMBER OF

SHARES

BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

     

SOLE VOTING POWER

 

830,593

   6   

SHARED VOTING POWER

 

None (See Item 4)

   7   

SOLE DISPOSITIVE POWER

 

830,593

   8   

SHARED DISPOSITIVE POWER

 

None (See Item 4)

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

830,593 (See Item 4)

10  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ¨

 

Not Applicable

11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

.82%

12  

TYPE OF REPORTING PERSON*

 

CO

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 674215108   Page 17 of 35 Pages

 

  1   

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

 

Balyasny Asset Management L.P.

  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

 

(a)  ¨        (b)  ¨

  3  

SEC USE ONLY

 

  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

Delaware

NUMBER OF

SHARES

BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

     

SOLE VOTING POWER

 

5,310,440 (See Item 4)

   6   

SHARED VOTING POWER

 

None

   7   

SOLE DISPOSITIVE POWER

 

5,310,440 (See Item 4)

   8   

SHARED DISPOSITIVE POWER

 

None

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

5,310,440 (See Item 4)

10  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ¨

 

Not Applicable

11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

5.24%

12  

TYPE OF REPORTING PERSON*

 

IA

*SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 674215108   Page 18 of 35 Pages

 

  1   

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

 

Dmitry Balyasny

  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

 

(a)  ¨        (b)  ¨

  3  

SEC USE ONLY

 

  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

United States

NUMBER OF

SHARES

BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

     

SOLE VOTING POWER

 

5,310,440 (See Item 4)

   6   

SHARED VOTING POWER

 

None

   7   

SOLE DISPOSITIVE POWER

 

5,310,440 (See Item 4)

   8   

SHARED DISPOSITIVE POWER

 

None

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

5,310,440 (See Item 4)

10  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  ¨

 

Not Applicable

11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

5.24%

12  

TYPE OF REPORTING PERSON*

 

IN

*SEE INSTRUCTIONS BEFORE FILLING OUT.


Item 1     (a) Name of Issuer:

OASIS PETROLEUM INC. (the “Company”)

 

  (b) Address of Issuer’s Principal Executive Offices:

1001 Fannin Street, Suite 1500

Houston, TX 77002

United States

 

Item 2     (a) – (c) This statement is filed on behalf of the following:

(1) Atlas Master Fund, Ltd. is a Cayman corporation (“AMF”), with its principal business office at c/o Maples Corporate Services Limited, P.O. Box 309, Ugland House, George Town, Grand Cayman KY1-1104, Cayman Islands, British West Indies.

(2) Atlas Global, LLC is a Delaware limited liability company (“AG”), with its principal business office at 181 West Madison, Suite 3600, Chicago, IL 60602. AG owns 11.99% of the equity interests in AMF.

(3) Atlas Global Investments, Ltd. is a Cayman corporation (“AGI”), with its principal business office at c/o Maples Corporate Services Limited, P.O. Box 309, Ugland House, George Town, Grand Cayman KY1-1104, Cayman Islands, British West Indies. AGI owns 20.85% of the equity interests in AMF.

(4) Atlas Institutional Fund, LLC is a Delaware limited liability company (“AIF LLC”), with its principal business office at 181 West Madison, Suite 3600, Chicago, IL 60602. AIF LLC owns 4.05% of the equity interests in AMF.

(5) Atlas Institutional Fund, Ltd. is a Cayman corporation (“AIF LTD”), with its principal business office at c/o Maples Corporate Services Limited, P.O. Box 309, Ugland House, George Town, Grand Cayman KY1-1104, Cayman Islands, British West Indies. AIF, LTD owns 14.91% of the equity interests in AMF.

(6) Atlas Institutional Fund II, LLC is a Delaware limited liability company (“AIF2 LLC”), with its principal business office at 181 West Madison, Suite 3600, and Chicago, IL 60602. AIF2 LLC owns 10.37% of the equity interests in AMF.

(7) Atlas Institutional Fund II, Ltd. is a Cayman corporation (“AIF2 LTD”), with its principal business office at c/o Maples Corporate Services Limited, P.O. Box 309, Ugland House, George Town, Grand Cayman KY1-1104, Cayman Islands, British West Indies. AIF2 LTD owns 26.66% of the equity interests in AMF.

 

Page 19 of 35 Pages


(8) Atlas Global Japan Unit Trust is a Cayman exempted unit trust (“AGJ”), with its principal business office at c/o CIBC Bank and Trust Company (Cayman) Limited, CIBC Financial Centre, 11 Dr. Roy’s Drive-3rd Floor, P.O. Box 694, Grand Cayman, Cayman Islands, British West Indies. AGJ owns 7.03% of the equity interests in AMF.

(9) Atlas Enhanced Master Fund, Ltd. is a Cayman corporation (“AEMF”), with its principal business office at c/o Maples Corporate Services Limited, P.O. Box 309, Ugland House, George Town, Grand Cayman KY1-1104, Cayman Islands, British West Indies.

(10) Atlas Enhanced Fund, L.P. is a Delaware limited partnership (“AEF LP”), with its principal business office at 181 West Madison, Suite 3600, Chicago, IL 60602. AEF LP owns 23.16% of the equity interests in AEMF.

(11) Atlas Enhanced Fund, Ltd. is a Cayman corporation (“AEF LTD”), with its principal business office at c/o Maples Corporate Services Limited, P.O. Box 309, Ugland House, George Town, Grand Cayman KY1-1104, Cayman Islands, British West Indies. AEF LTD. owns 76.83% of the equity interests in AEMF.

(12) Lyxor/Balyasny Atlas Enhanced Fund Limited is a Jersey limited corporation (“LYXOR”), with its registered office at 18 Esplanade, St. Helier, Jersey JE4 8RT, Channel Islands.

(13) BAM Zie Master Fund, Ltd. is a Cayman corporation (“BZMF”), with its principal business office at c/o Maples Corporate Services Limited, P.O. Box 309, Ugland House, George Town, Grand Cayman KY1-1104, Cayman Islands, British West Indies.

(14) BAM Zie Fund, LLC is a Delaware limited liability company (“BZF LLC”), with its principal business office at 181 West Madison, Suite 3600, Chicago, IL 60602. BZF LLC owns 47.68% of the equity interests in BZMF.

(15) BAM Zie Fund, Ltd. is a Cayman corporation (“BZF LTD”), with its principal business office at c/o Maples Corporate Services Limited, P.O. Box 309, Ugland House, George Town, Grand Cayman KY1-1104, Cayman Islands, British West Indies. BZF LTD owns 52.11% of the equity interests in BZMF.

(16) Balyasny Asset Management L.P. is a Delaware limited partnership (“BAM”), with its principal business office at 181 West Madison, Suite 3600, and Chicago, IL 60602. BAM is the investment manager to each of AMF, AG, AGI, AIF LLC, AIF LTD, AIF2 LLC, AIF2 LTD, AGJ, AEMF, AEF LP, AEF LTD, LYXOR, BZMF, BZF LLC, BZF LTD.

 

Page 20 of 35 Pages


(17) Dmitry Balyasny, a United States citizen whose business address is 181 West Madison, Suite 3600, Chicago, IL 60602. Dmitry Balyasny is the sole managing member of the general partner of BAM.

 

  (d) Title of Class of Securities:

Common Stock

 

  (e) CUSIP Number: 674215108

 

Item 3 If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a:

Not Applicable

 

Item 4 Ownership:

AMF

 

  (a) Amount Beneficially Owned:

2,137,116

 

  (b) Percent of Class:

2.11%

 

  (c) Number of Shares as to which person has:

 

  (i) Sole power to vote or to direct vote:

2,137,116

 

  (ii) Shared power to vote or to direct vote:

None

 

  (iii) Sole power to dispose or direct disposition of:

2,137,116

 

Page 21 of 35 Pages


  (iv) Shared power to dispose or to direct disposition of:

None

AG

 

  (a) Amount Beneficially Owned:

By virtue of its ownership of 11.99% of the equity interest in AMF, AG may be deemed to beneficially own the 2,137,116 Shares of the Company’s Common Stock beneficially owned by AMF.

 

  (b) Percent of Class:

2.11%

 

  (c) Number of Shares as to which person has:

 

  (i) Sole power to vote or to direct vote:

2,137,116

 

  (ii) Shared power to vote or to direct vote:

None

 

  (iii) Sole power to dispose or direct disposition of:

2,137,116

 

  (iv) Shared power to dispose or to direct disposition of:

None

AGI

 

  (a) Amount Beneficially Owned:

By virtue of its ownership of 20.85% of the equity interest in AMF, AGI may be deemed to beneficially own the 2,137,116 Shares of the Company’s Common Stock beneficially owned by AMF.

 

Page 22 of 35 Pages


  (b) Percent of Class:

2.11%

 

  (c) Number of Shares as to which person has:

 

  (i) Sole power to vote or to direct vote:

2,137,116

 

  (ii) Shared power to vote or to direct vote:

None

 

  (ii) Sole power to dispose or direct disposition of:

2,137,116

 

  (iv) Shared power to dispose or to direct disposition of:

None

AIF LLC

 

  (a) Amount Beneficially Owned:

By virtue of its ownership of 4.05% of the equity interest in AMF, AIF LLC may be deemed to beneficially own the 2,137,116 Shares of the Company’s Common Stock beneficially owned by AMF.

 

  (b) Percent of Class:

2.11%

 

  (c) Number of Shares as to which person has:

 

  (i) Sole power to vote or to direct vote:

2,137,116

 

  (ii) Shared power to vote or to direct vote:

None

 

  (iii) Sole power to dispose or direct disposition of:

2,137,116

 

Page 23 of 35 Pages


  (iv) Shared power to dispose or to direct disposition of:

None

AIF LTD

 

  (a) Amount Beneficially Owned:

By virtue of its ownership of 14.91% of the equity interest in AMF, AIF LTD may be deemed to beneficially own the 2,137,116 Shares of the Company’s Common Stock beneficially owned by AMF.

 

  (b) Percent of Class:

2.11%

 

  (c) Number of Shares as to which person has:

 

  (i) Sole power to vote or to direct vote:

2,137,116

 

  (ii) Shared power to vote or to direct vote:

None

 

  (iii) Sole power to dispose or direct disposition of:

2,137,116

 

  (iv) Shared power to dispose or to direct disposition of:

None

AIF2 LLC

 

  (a) Amount Beneficially Owned:

By virtue of its ownership of 10.37% of the equity interest in AMF, AIF2 LLC may be deemed to beneficially own the 2,137,116 Shares of the Company’s Common Stock beneficially owned by AMF.

 

Page 24 of 35 Pages


  (b) Percent of Class:

2.11%

 

  (c) Number of Shares as to which person has:

 

  (i) Sole power to vote or to direct vote:

2,137,116

 

  (ii) Shared power to vote or to direct vote:

None

 

  (iii) Sole power to dispose or direct disposition of:

2,137,116

 

  (iv) Shared power to dispose or to direct disposition of:

None

AIF2 LTD

 

  (a) Amount Beneficially Owned:

By virtue of its ownership of 26.66% of the equity interest in AMF, AIF2 LTD may be deemed to beneficially own the 2,137,116 Shares of the Company’s Common Stock beneficially owned by AMF.

 

  (b) Percent of Class:

2.11%

 

  (c) Number of Shares as to which person has:

 

  (i) Sole power to vote or to direct vote:

2,137,116

 

  (ii) Shared power to vote or to direct vote:

None

 

  (iii) Sole power to dispose or direct disposition of:

2,137,116

 

Page 25 of 35 Pages


  (iv) Shared power to dispose or to direct disposition of:

None

AGJ

 

  (a) Amount Beneficially Owned:

By virtue of its ownership of 7.03% of the equity interest in AMF, AGJ may be deemed to beneficially own the 2,137,116 Shares of the Company’s Common Stock beneficially owned by AMF.

 

  (b) Percent of Class:

2.11%

 

  (c) Number of Shares as to which person has:

 

  (i) Sole power to vote or to direct vote:

2,137,116

 

  (ii) Shared power to vote or to direct vote:

None

 

  (iii) Sole power to dispose or direct disposition of:

2,137,116

 

  (iv) Shared power to dispose or to direct disposition of:

None

AEMF

 

  (a) Amount Beneficially Owned:

2,122,269

 

Page 26 of 35 Pages


  (b) Percent of Class:

2.09%

 

  (c) Number of Shares as to which person has:

 

  (i) Sole power to vote or to direct vote:

2,122,269

 

  (ii) Shared power to vote or to direct vote:

None

 

  (iii) Sole power to dispose or direct disposition of:

2,122,269

 

  (iv) Shared power to dispose or to direct disposition of:

None

AEF LP

 

  (a) Amount Beneficially Owned:

By virtue of its ownership of 23.16% of the equity interest in AEMF, AEF LP may be deemed to beneficially own the 2,122,269 Shares of the Company’s Common Stock beneficially owned by AEMF.

 

  (b) Percent of Class:

2.09%

 

  (c) Number of Shares as to which person has:

 

  (i) Sole power to vote or to direct vote:

2,122,269

 

  (ii) Shared power to vote or to direct vote:

None

 

  (iii) Sole power to dispose or direct disposition of:

2,122,269

 

Page 27 of 35 Pages


  (iv) Shared power to dispose or to direct disposition of:

None

AEF LTD

 

  (a) Amount Beneficially Owned:

By virtue of its ownership of 76.83% of the equity interest in AEMF, AEF LTD may be deemed to beneficially own the 2,122,269 Shares of the Company’s Common Stock beneficially owned by AEMF.

 

  (b) Percent of Class:

2.09%

 

  (c) Number of Shares as to which person has:

 

  (i) Sole power to vote or to direct vote:

2,122,269

 

  (ii) Shared power to vote or to direct vote:

None

 

  (iii) Sole power to dispose or direct disposition of:

2,122,269

 

  (iv) Shared power to dispose or to direct disposition of:

None

LYXOR

 

  (a) Amount Beneficially Owned:

220,462

 

Page 28 of 35 Pages


  (b) Percent of Class:

.22%

 

  (c) Number of Shares as to which person has:

 

  (i) Sole power to vote or to direct vote:

220,462

 

  (ii) Shared power to vote or to direct vote:

None

 

  (iii) Sole power to dispose or direct disposition of:

220,462

 

  (iv) Shared power to dispose or to direct disposition of:

None

BZMF

 

  (a) Amount Beneficially Owned:

830,593

 

  (b) Percent of Class:

.82%

 

  (c) Number of Shares as to which person has:

 

  (ii) Sole power to vote or to direct vote:

830,593

 

  (ii) Shared power to vote or to direct vote:

None

 

  (iii) Sole power to dispose or direct disposition of:

830,593

 

Page 29 of 35 Pages


  (iv) Shared power to dispose or to direct disposition of:

None

BZF LLC

 

  (a) Amount Beneficially Owned:

By virtue of its ownership of 47.68% of the equity interest in BZMF, BZF LLC may be deemed to beneficially own the 830,593 Shares of the Company’s Common Stock beneficially owned by BZMF.

 

  (b) Percent of Class:

.82%

 

  (c) Number of Shares as to which person has:

 

  (iv) Sole power to vote or to direct vote:

830,593

 

  (ii) Shared power to vote or to direct vote:

None

 

  (iii) Sole power to dispose or direct disposition of:

830,593

 

  (iv) Shared power to dispose or to direct disposition of:

None

BZF LTD

 

  (a) Amount Beneficially Owned:

By virtue of its ownership of 52.11% of the equity interest in BZMF, BZF LTD may be deemed to beneficially own the 830,593 Shares of the Company’s Common Stock beneficially owned by BZMF.

 

Page 30 of 35 Pages


  (b) Percent of Class:

.82%

 

  (c) Number of Shares as to which person has:

 

  (i) Sole power to vote or to direct vote:

830,593

 

  (ii) Shared power to vote or to direct vote:

None

 

  (v) Sole power to dispose or direct disposition of:

830,593

 

  (iv) Shared power to dispose or to direct disposition of:

None

BAM

 

  (a) Amount Beneficially Owned:

By virtue of its position as investment manager to each of AMF, AG, AGI, AIF LLC, AIF LTD, AIF2 LLC, AIF2 LTD, AGJ, AEMF, AEF LP, AEF LTD, LYXOR, BZMF, BZF LLC, and BZF LTD, BAM may be deemed to beneficially own the 5,310,440 Shares of the Company’s Common Stock beneficially owned by AMF, AG, AGI, AIF LLC, AIF LTD, AIF2 LLC, AIF2 LTD, AGJ, AEMF, AEF LP, AEF LTD, LYXOR, BZMF, BZF LLC, and BZF LTD.

 

  (b) Percent of Class:

5.24%

 

  (c) Number of Shares as to which person has:

 

  (i) Sole power to vote or to direct vote:

5,310,440

 

Page 31 of 35 Pages


  (ii) Shared power to vote or to direct vote:

None

 

  (iii) Sole power to dispose or direct disposition of:

5,310,440

 

  (iv) Shared power to dispose or to direct disposition of:

None

Dmitry Balyasny

 

  (a) Amount Beneficially Owned:

By virtue of his position as the sole managing member of the general partner of BAM, Mr. Balyasny may be deemed to beneficially own the 5,310,440 Shares of the Company’s Common Stock beneficially owned by BAM.

 

  (b) Percent of Class:

5.24%

 

  (c) Number of Shares as to which person has:

 

  (i) Sole power to vote or to direct vote:

5,310,440

 

  (ii) Shared power to vote or to direct vote:

None

 

  (iii) Sole power to dispose or direct disposition of:

5,310,440

 

  (iv) Shared power to dispose or to direct disposition of:

None

 

Page 32 of 35 Pages


Item 5 Ownership of Five Percent or Less of a Class:

Applicable

 

Item 6 Ownership of More than Five Percent on Behalf of Another Person:

Not Applicable

 

Item 7 Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company:

Not Applicable

 

Item 8 Identification and Classification of Members of the Group:

Not Applicable

 

Item 9 Notice of Dissolution of Group:

Not Applicable

 

Item 10 Certification:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

 

Page 33 of 35 Pages


SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date: December 12, 2014

 

ATLAS MASTER FUND, LTD.

    ATLAS GLOBAL, LLC

By:

 

/s/ Scott Schroeder

    By:  

/s/ Scott Schroeder

 

Scott Schroeder

Authorized Signatory

     

Scott Schroeder

Authorized Signatory

ATLAS GLOBAL INVESTMENTS, LTD.

    ATLAS INSTITUTIONAL FUND, LLC

By:

 

/s/ Scott Schroeder

    By:  

/s/ Scott Schroeder

 

Scott Schroeder

Authorized Signatory

     

Scott Schroeder

Authorized Signatory

ATLAS INSTITUTIONAL FUND, LTD.

    ATLAS INSTITUTIONAL FUND II, LLC

By:

 

/s/ Scott Schroeder

    By:  

/s/ Scott Schroeder

 

Scott Schroeder

Authorized Signatory

     

Scott Schroeder

Authorized Signatory

ATLAS INSTITUTIONAL FUND II, LTD.

    ATLAS GLOBAL JAPAN UNIT TRUST

By:

 

/s/ Scott Schroeder

    By:  

/s/ Scott Schroeder

 

Scott Schroeder

Authorized Signatory

     

Scott Schroeder

Authorized Representative

 

Page 34 of 35 Pages


ATLAS ENHANCED MASTER FUND, LTD.

    ATLAS ENHANCED FUND, L.P.

By:

 

/s/ Scott Schroeder

    By:  

/s/ Scott Schroeder

 

Scott Schroeder

Authorized Signatory

     

Scott Schroeder

Authorized Signatory

ATLAS ENHANCED FUND, LTD.

    LYXOR/BALYASNY ATLAS ENHANCED FUND LIMITED

By:

 

/s/ Scott Schroeder

    By:  

/s/ Scott Schroeder

 

Scott Schroeder

Authorized Signatory

     

Scott Schroeder

Authorized Representative

BAM ZIE MASTER FUND, LTD

   

BAM ZIE FUND, LLC

By:

 

/s/ Scott Schroeder

    By:  

/s/ Scott Schroeder

 

Scott Schroeder

Authorized Signatory

     

Scott Schroeder

Authorized Signatory

BAM ZIE FUND, LTD

   

BALYASNY ASSET MANAGEMENT L.P.

By:

 

/s/ Scott Schroeder

    By:  

/s/ Scott Schroeder

 

Scott Schroeder

Authorized Signatory

     

Scott Schroeder

Authorized Signatory

DMITRY BALYASNY

     

By:

 

/s/ Scott Schroeder

     
 

Scott Schroeder

Authorized Representative

     

 

Page 35 of 35 Pages