In a just published Form 13, filed with the US Securities and Exchange Commission (SEC), Eco-Stim Energy Solutions Inc. (NYSE:ESES) reported that Bienville Argentina Opportunities Master Fund, Lp. has picked up 1,507,696 of common stock as of 2017-04-14.

The acquisition brings the aggregate amount owned by Bienville Argentina Opportunities Master Fund, Lp. to a total of 1,507,696 representing a 10.0% stake in the company.

For those not familiar with the company, Eco-Stim Energy Solutions, Inc. is an oilfield services company. The Company provides well stimulation, coiled tubing and field management services to the upstream oil and gas industry. The Company focuses on the active shale and unconventional oil and natural gas basins outside the United States and it has commenced operations in Argentina. The Company operates well stimulation fleets, coiled tubing units and other downhole completion equipment, as well as provides sweet spot analysis in shale resource basins using geophysical predictive modeling combined with real-time feedback from down-hole diagnostic tools. The Company offers a pumping fleet, including well-stimulation pumps, nitrogen pumping units and cranes, in both trailer-mounted and skid-mounted configurations. It provides a range of pressure-pumping services, including work-over pumping, well injection and wireline pump downs.

A glance at Eco-Stim Energy Solutions Inc. (NYSE:ESES)’s key stats reveals a current market capitalization of 17.46 Million based on 20.59 Million shares outstanding and a price at last close of $1.16 per share.

Looking at insider activity, there are a few transactions worth noting.

Specifically, on 2016-09-22, Bienville picked up 50,874 at a purchase price of $2.28. This brings their total holding to 2,979,534 as of the date of the filing.

On the sell side, the most recent transaction saw Bass unload 1,530,678 shares at a sale price of $1.21. This brings their total holding to 0.

It’s possible to gauge a company’s potential by tracking the activity of its major holders, as well as checking in on insider activity such as those transactions listed above. We’ll be keeping an eye on Eco-Stim Energy Solutions Inc. (NYSE:ESES) as things move forward to see if its progress aligns with these transactions.

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