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GRAN TIERRA ENERGY, INC.·4

Aug 12, 8:28 AM ET

Dawson Walter 4

4 · GRAN TIERRA ENERGY, INC. · Filed Aug 12, 2010

Insider Transaction Report

Form 4

Period: 2010-08-10

GRAN TIERRA ENERGY, INC.GTE

Director

Transactions

Exercise of In-Money
Stock Option (Rt to Buy)
2010-08-10−225,000→ 0 total
Exercise: $2.51From: 2009-12-15Exp: 2018-12-15→ Common Stock (225,000 underlying)
Exercise of In-Money
Stock Option (Rt to Buy)
2010-08-10−50,000→ 0 total
Exercise: $1.27From: 2007-11-08Exp: 2015-11-08→ Common Stock (50,000 underlying)
Exercise of In-Money
Common Stock
2010-08-10$1.27/sh+50,000$63,500→ 351,587 total
Exercise of In-Money
Common Stock
2010-08-10$2.14/sh+75,000$160,500→ 426,587 total
Exercise of In-Money
Common Stock
2010-08-10$0.80/sh+100,000$80,000→ 751,587 total
Exercise of In-Money
Stock Option (Rt to Buy)
2010-08-10−75,000→ 0 total
Exercise: $2.14From: 2008-12-17Exp: 2017-12-17→ Common Stock (75,000 underlying)
Exercise of In-Money
Stock Option (Rt to Buy)
2010-08-10−100,000→ 0 total
Exercise: $0.80From: 2006-11-10Exp: 2015-11-10→ Common Stock (100,000 underlying)
Exercise of In-Money
Common Stock
2010-08-10$2.51/sh+225,000$564,750→ 651,587 total

Holdings

Common Stock
(indirect: By Spouse)
158,730
Common Stock
(indirect: By Perfco Investments Ltd.)
2,137,302

Documents

1 file

4
doc4.xmlPrimary
FORM 4 SUBMISSION