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*
Bienville Argentina Opportunities Master Fund, LP

(Last) (First) (Middle)
C/O OGIER FIDUCIARY SERVICES (CAYMAN)LTD
89 NEXUS WAY

(Street)
CAMANA BAY E9 KY1-9007

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Eco-Stim Energy Solutions, Inc. [ ESES ]
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)
07/09/2015
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 Stock, Eco-Stim Energy Solutions, Inc. 12/22/2015 P 32,613 A $2.886 2,352,694 (1) (2) D (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
1. Name and Address of Reporting Person*
Bienville Argentina Opportunities Master Fund, LP

(Last) (First) (Middle)
C/O OGIER FIDUCIARY SERVICES (CAYMAN)LTD
89 NEXUS WAY

(Street)
CAMANA BAY E9 KY1-9007

(City) (State) (Zip)
1. Name and Address of Reporting Person*
Bienville Capital Management, LLC

(Last) (First) (Middle)
405 LEXINGTON AVENUE
34TH FLOOR

(Street)
NEW YORK NY 10174

(City) (State) (Zip)
1. Name and Address of Reporting Person*
BAOF GP, LLC

(Last) (First) (Middle)
CAYMAN ISLANDS

(Street)
CAMANA BAY, GRAND CAYMAN E9 KY1-9007

(City) (State) (Zip)
Explanation of Responses:
1. All of the reported shares are owned directly by Bienville Argentina Opportunities Master Fund, LP, whose general partner is BAOF GP, LLC ("General Partner") and whose investment manager is Bienville Capital Management, LLC ("Investment Manager"). The General Partner and Investment Manager could be deemed to be indirect beneficial owners of the above listed Common Stock of Eco-Stim Energy Solutions, Inc. ("the reported shares"). William Herbert Stimpson II, Michael Cullen Thompson, Jr., and Ralph Fayden Reynolds (collectively, "Managers") are the managers and direct or indirect controlling shareholders of the General Partner and the Investment Manager. As such, the Managers and Moonpie Management, LLC, the entity through which one of the Managers holds his interest in the Investment Manager, could be deemed to share such indirect beneficial ownership of the reported shares with the General Partner, the Investment Manager and Bienville Argentina Opportunities Master Fund, LP.
2. The General Partner, the Investment Manager, the Managers, and Moonpie Management, LLC, disclaim beneficial ownership except to the extent of their respective pecuniary interests therein, and this report shall not be deemed an admission of beneficial ownership of these securities for Section 16 or for any other purposes. The General Partner, the Investment Manager, the Managers, and Moonpie Management, LLC, disclaim beneficial ownership except to the extent of their respective pecuniary interests therein, and this report shall not be deemed an admission of beneficial ownership of these securities for Section 16 or for any other purposes.
3. The address of William H Stimpson, II is 35 Old Norwalk Road, New Canaan, CT 06840. The address of Ralph Fayden Reynolds is 104 Delafield Island Road, Darien, CT 06820. The address of M. Cullen Thompson Jr. is 124 31st Street Manhattan Beach, CA 90266. The address of Moonpie Management, LLC is 104 Delafield Island Road Darien, CT 06820.
/s/ Donald Stoltz, III on behalf of Bienville Argentina Opportunities Master Fund, LP, by BAOF GP, LLC, its General Partner, by Donald Stoltz, III, Chief Operating Officer 12/23/2015
/s/ William H. Stimpson, II, Managing Member, on behalf of Bienville Capital Management, LLC 12/23/2015
/s/ Donald Stoltz, III on behalf of BAOF GP, LLC 12/23/2015
/s/ Ralph Fayden Reynolds, Managing Member, on behalf of Moonpie Management, LLC, as controlling shareholder of the Investment Manager and General Partner 12/23/2015
/s/ William H. Stimpson, II, controlling shareholder of the Investment Manager and General Partner 12/23/2015
/s/ M. Cullen Thompson, Jr., controlling shareholder of the Investment Manager and General Partner 12/23/2015
/s/ Ralph Fayden Reynolds, controlling shareholder of the Investment Manager and General Partner 12/23/2015
** 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).
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