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Joseph Oughourlian

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Gran Tierra Energy Inc. (NYSEMKT:GTE): Joseph Oughourlian And Michel Brogard’s Amber Capital filed an amended 13D.

You can check out Amber Capital’s latest holdings and filings here.

Please follow Amber Capital (if you aren’t already doing so) to get real-time email alerts whenever we publish an article about Amber Capital or update its stock holdings.

Joseph Oughourlian
Joseph Oughourlian
Amber Capital

You can access the original SEC filing by clicking here.

Ownership Summary Table

Name Sole Voting Power Shared Voting Power Sole Dispositive Power Shared Dispositive Power Aggregate Amount Owned Power Percent of Class
Amber Capital Management 0 11,894,520 0 11,894,520 11,894,520 3.0%
Amber Capital UK LLP 0 9,828,350 0 9,828,350 9,828,350 2.5%
Amber Capital 0 11,894,520 0 11,894,520 11,894,520 3.0%
Amber Global Opportunities Master Fund Ltd 0 9,828,350 0 9,828,350 9,828,350 2.5%
Joseph Oughourlian 0 11,894,520 0 11,894,520 11,894,520 3.0%
Joseph Oughourlian
Joseph Oughourlian
Amber Capital

Page 1 of 11 – SEC Filing

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G/A*

Under the Securities Exchange Act of 1934

(Amendment No. 2)

Gran Tierra
Energy Inc.

(Name of Issuer)

Common Stock,
$0.001 par value per share

(Title of Class of Securities)

38500T101

(CUSIP Number)

December
31, 2016

(Date of event which requires filing of this statement)
Check the appropriate box to designate the rule pursuant to which this Schedule 13G is filed:
¨ Rule 13d-1(b)
x Rule 13d-1(c)
¨ Rule 13d-1(d)
(Page 1 of 11 Pages)

______________________________

*The remainder of this cover page shall
be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any
subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in 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).

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