SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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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1. Name and Address of Reporting Person^*

Greywolf Capital Management LP

(Last)

(First)

(Middle)

4 MANHATTANVILLE ROAD

SUITE 201

(Street)

PURCHASE

10577

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
04/30/2007

3. Issuer Name and Ticker or Trading Symbol
GRAN TIERRA ENERGY, INC. [ GTRE ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

Director	X	10% Owner
Officer (give title below)	X	Other (specify below)
		Member of Group Owning 10%

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, par value $0.001 per share	1,866,667	D⁽¹⁾⁽⁷⁾
Common Stock, par value $0.001 per share	4,800,000	D⁽²⁾⁽⁷⁾
Common Stock, par value $0.001 per share	1,866,667	I	See Footnotes⁽³⁾⁽⁷⁾
Common Stock, par value $0.001 per share	6,666,667	I	See Footnotes⁽⁴⁾⁽⁷⁾
Common Stock, par value $0.001 per share	6,666,667	I	See Footnotes⁽⁵⁾⁽⁷⁾
Common Stock, par value $0.001 per share	6,666,667	I	See Footnotes⁽⁶⁾⁽⁷⁾

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Warrants to purchase Common Stock	06/20/2006	06/20/2011	Common Stock	933,334	$1.75⁽⁸⁾	D⁽¹⁾⁽⁷⁾
Warrants to purchase Common Stock	06/20/2006	06/20/2011	Common Stock	2,400,000	$1.75⁽⁸⁾	D⁽²⁾⁽⁷⁾
Warrants to purchase Common Stock	06/20/2006	06/20/2011	Common Stock	933,334	$1.75⁽⁸⁾	I	See Footnotes⁽³⁾⁽⁷⁾
Warrants to purchase Common Stock	06/20/2006	06/20/2011	Common Stock	3,333,334	$1.75⁽⁸⁾	I	See Footnotes⁽⁴⁾⁽⁷⁾
Warrants to purchase Common Stock	06/20/2006	06/20/2011	Common Stock	3,333,334	$1.75⁽⁸⁾	I	See Footnotes⁽⁵⁾⁽⁷⁾
Warrants to purchase Common Stock	06/20/2006	06/20/2011	Common Stock	3,333,334	$1.75⁽⁸⁾	I	See Footnotes⁽⁶⁾⁽⁷⁾

1. Name and Address of Reporting Person^*

Greywolf Capital Management LP

(Last)

(First)

(Middle)

4 MANHATTANVILLE ROAD

SUITE 201

(Street)

PURCHASE

10577

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

Director	X	10% Owner
Officer (give title below)	X	Other (specify below)
		Member of Group Owning 10%

1. Name and Address of Reporting Person^*

GREYWOLF CAPITAL PARTNERS II LP

(Last)

(First)

(Middle)

C/O GREYWOLF CAPITAL MANAGEMENT LP

4 MANHATTANVILLE ROAD, SUITE 201

(Street)

PURCHASE

10577

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

Director	X	10% Owner
Officer (give title below)	X	Other (specify below)
		Member of Group Owning 10%

1. Name and Address of Reporting Person^*

GREYWOLF CAPITAL OVERSEAS FUND

(Last)

(First)

(Middle)

C/O GREYWOLF CAPITAL MANAGEMENT LP

4 MANHATTANVILLE ROAD, SUITE 201

(Street)

PURCHASE

10577

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

Director	X	10% Owner
Officer (give title below)	X	Other (specify below)
		Member of Group Owning 10%

1. Name and Address of Reporting Person^*

Greywolf Advisors LLC

(Last)

(First)

(Middle)

C/O GREYWOLF CAPITAL MANAGEMENT LP

4 MANHATTANVILLE ROAD, SUITE 201

(Street)

PURCHASE

10577

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

Director	X	10% Owner
Officer (give title below)	X	Other (specify below)
		Member of Group Owning 10%

1. Name and Address of Reporting Person^*

Greywolf GP LLC

(Last)

(First)

(Middle)

C/O GREYWOLF CAPITAL MANAGEMENT LP

4 MANHATTANVILLE ROAD, SUITE 201

(Street)

PURCHASE

10577

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

Director	X	10% Owner
Officer (give title below)	X	Other (specify below)
		Member of Group Owning 10%

1. Name and Address of Reporting Person^*

Savitz Jonathan

(Last)

(First)

(Middle)

C/O GREYWOLF CAPITAL MANAGEMENT LP

4 MANHATTANVILLE ROAD, SUITE 201

(Street)

PURCHASE

10577

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

Director	X	10% Owner
Officer (give title below)	X	Other (specify below)
		Member of Group Owning 10%

Explanation of Responses:

1. The amount of securities shown in this row is owned directly by Greywolf Capital Partners II LP ("Greywolf Capital II").

2. The amount of securities shown in this row is owned directly by Greywolf Capital Overseas Fund ("Greywolf Overseas").

3. The amount of securities shown in this row is directly owned by Greywolf Capital II. As the general parter of Greywolf Capital II, Greywolf Advisors LLC (the "General Partner") may be deemed to be the beneficial owner of the Issuer's securities held by Greywolf Capital II. Such entity hereby disclaims any beneficial ownership of any such securities for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "34 Act") or otherwise, except as to securities representing its pro rata interest in, and interest in the profits of, Greywolf Capital II.

4. The amount of securities shown in this row is directly owned by Greywolf Capital II and Greywolf Overseas (together, the "Greywolf Funds"). As the investment manager of the Greywolf Funds, Greywolf Capital Management LP (the "Investment Manager") may be deemed to be the beneficial owner of the Issuer's securities held by the Greywolf Funds. Such entity hereby disclaims any beneficial ownership of any such securities for purposes of Rule 16a-1(a) under the 34 Act or otherwise, except to the extent of its pecuniary interest, if any.

5. The amount of securities shown in this row is directly owned by the Greywolf Funds. As the general partner of the Investment Manager, Greywolf GP LLC (the "Investment Manager General Partner") may be deemed to be the beneficial owner of the Issuer's securities held by the Greywolf Funds. Such entity hereby disclaims any beneficial ownership of any such securities for purposes of Rule 16a-1(a) under the 34 Act or otherwise, except as to securities representing its pro rata interest in, and interest in the profits of, the Investment Manager.

6. The amount of securities shown in this row is directly owned by the Greywolf Funds. As the senior managing member of the General Partner and the sole managing member of the Investment Manager General Partner, Jonathan Savitz may be deemed to be the beneficial owner of the Issuer's securities held by the Greywolf Funds. Such person hereby disclaims any beneficial ownership of any such securities for purposes of Rule 16a-1(a) under the 34 Act or otherwise, except to the extent of his pecuniary interest, if any.

7. The entities and individuals identified in the footnotes of this Form 3 may be deemed members of a group with each other with respect to the holding of equity securities of the Issuer. The filing of this Form 3 shall not be deemed to be an admission that such entities and individuals are members of such group.

8. Subject to adjustment.

	/s/ Jonathan Savitz, on his own behalf and as authorized signatory for each of the entities listed in footnotes (1) through (5)	04/30/2007
	.	04/30/2007
	.	04/30/2007
	.	04/30/2007
	.	04/30/2007
	.	04/30/2007
	** 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 5 (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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