undamentalytics Newsletter

Gran Tierra Energy Inc. insider trading

Every open-market purchase and sale by Gran Tierra Energy Inc.'s officers, directors and largest shareholders since November 4, 2021, and what the share price did next.

Insider purchase Insider sale Marker size reflects trade value. Weekly closes adjusted for splits; may be delayed.
Gran Tierra Energy Inc. insider open-market trades
DateInsiderTrade SharesPriceValue 1M after 3M after 6M after

From insiders' Form 4 filings with the SEC: open-market purchases and sales only (awards, option exercises and shares withheld for tax are excluded), combined to one line per insider per day. "Plan" marks trades the filing says were made under a pre-set Rule 10b5-1 trading plan, which are scheduled in advance. Price changes run from the close on the trade date; hover a figure for the change relative to the S&P 500. Past moves don't predict future ones.

Does following Gran Tierra Energy Inc.’s insiders pay?

From March 4, 2010 to August 17, 2026, 43 insiders reported 104 open-market purchases and 95 sales not made under a pre-set plan in Gran Tierra Energy Inc. Twelve months after each purchase was reported, the shares were −16.0% against the S&P 500 on average (median −13.7%), over 7 purchases with a full year of prices; 14% beat the index. After sales, the shares moved −7.6% against the index over 12 months (a negative figure means selling was the right call). That rests on fewer than 20 purchases, too few to read much into. Buying each purchase the day after it was reported, an equal amount each, held 12 months or until that insider reported a sale, would have turned $10,000 on June 2, 2011 into $15,846 by November 2, 2026, +3.0% a year. It held shares 25% of the time; the S&P 500 on those same days, with Treasury bills otherwise, made $19,795 (+4.5% a year), and held throughout $75,327 (+14.0%).

$0$25.0k$50.0k$75.0k 20112013201520172019202120232025 $75.3k$19.8k$15.8k
Copying Gran Tierra Energy Inc.'s insidersS&P 500, same days investedS&P 500, held throughout $10,000 copying every open-market purchase by Gran Tierra Energy Inc.'s insiders from June 2, 2011, before costs and taxes, marked weekly. Uninvested money earns the Treasury bill rate; the portfolio held shares 25% of the time.
Gran Tierra Energy Inc.: each insider's record
InsiderRolePurchases12 months after their purchasesBeat the S&P 500Sales12 months after their salesLatest report
Bay Resource Partners LP 10% owner 1 — — 13 — June 3, 2021
Gmt Capital Corp 10% owner 4 — — 7 — May 24, 2021
Wade Brooke N. Director 10 — — 1 — December 10, 2020
Bay II Resource Partners LP 10% owner 0 — — 10 — May 7, 2021
Bay Resource Partners Offshore Master Fund, L.P. 10% owner 2 — — 8 — May 3, 2021
Claugus Thomas E 10% owner 3 — — 7 — June 7, 2021
Smith David P Director 7 — — 2 +69.2% (1) October 1, 2025
Ellson Ryan Chief Financial Officer 7 −47.0% (1) 0% 1 — March 10, 2026
Gmt Exploration Co LLC 10% owner 1 — — 7 — May 19, 2021
Guidry Gary President and CEO 7 −45.1% (1) 0% 1 −66.9% (1) December 31, 2024
Equinox Partners Investment Management LLC 10% owner 6 — — 1 — August 7, 2026
O'leary Shane P. COO 0 — — 6 −3.3% (5) March 1, 2013
West Lawrence Vice President, Exploration 6 — — 0 — March 27, 2020
Equinox Partners LP 10% owner 3 — — 2 — August 13, 2026
Johnson Verne Director 0 — — 5 +15.7% (5) August 16, 2010
Kuroto Fund LP 10% owner 4 −5.8% (2) 0% 1 — August 17, 2026
Man Christine 10% owner 5 — — 0 — June 29, 2026
Trimble Rodger Derrick VP, Investor Relations 5 — — 0 — November 8, 2019
Coffield Dana CEO and President 0 — — 4 −14.6% (1) December 14, 2011
Lau Daniel 10% owner 4 — — 0 — August 5, 2026
Royal Ronald Director 2 — — 2 −40.9% (2) December 4, 2024
Dawson Walter Director 0 — — 3 −14.0% (3) August 20, 2010
Evans Jim EVP, Corporate Services 2 — — 1 — December 16, 2025
Hardy David Eldon VP, Legal and General Counsel 3 — — 0 — December 23, 2016
Johnson Alan Martin See Remarks 3 — — 0 — March 9, 2018
Lm Asset Management Inc. 10% owner 3 — — 0 — March 4, 2026
Mason Hill Partners LP Director 3 +36.1% (1) 100% 0 — November 12, 2025
Moreira Julio Cesar Dias Pres., GT Brasil Ltda. 0 — — 3 −17.4% (3) March 8, 2012
Orunesu Rafael Pres., GTE Argentina 0 — — 3 −34.8% (3) June 16, 2014
Hodgins Robert B. Director 2 — — 0 — June 20, 2019
Mawdsley Susan Lynn See Remarks 2 — — 0 — November 29, 2016
Morin Sebastien Chief Operating Officer 1 — — 1 — April 2, 2026
Nightingale Duncan Executive Vice President 2 — — 0 — August 24, 2015
Price John Scott Ward Director 0 — — 2 +40.4% (1) June 4, 2015
Scott Jeffrey J Director 0 — — 2 −11.3% (2) August 17, 2010
Antony Raymond Peter Director 0 — — 1 −31.6% (1) March 10, 2011
Berthelet Remi Anthony Chief Operating Officer 1 — — 0 — November 12, 2019
Caldwell Ed See Remarks 1 — — 0 — December 21, 2016
Dey Peter James Director 1 — — 0 — June 26, 2015
Eden Martin H Chief Financial Officer 0 — — 1 +22.8% (1) March 9, 2010

Moves are the shares’ return including dividends minus the S&P 500’s, from the close on the first trading day after each report; the number of trades with a finished 12-month window is in brackets. Green means the trade went the insider’s way (a purchase ahead of the index, a sale followed by the shares trailing it). The 40 most active of 43 insiders are shown. A trade reported both by a director or officer and by a fund or company they are linked to counts once here, under the person. Purchases count only where the share price actually traded was at least $5. These figures describe what the shares did, not why anyone traded. Insiders across all companies.

When several insiders traded Gran Tierra Energy Inc.

Months when 2 or more insiders became net buyers, or 3 or more net sellers, of Gran Tierra Energy Inc. in reports dated in the 91 days before the month end, and how the stock did against the S&P 500 from that month end. After the 1 buying crowd with six months of prices, it averaged −34.7% against the index. After 2 selling crowds, +25.4%. One company's history is too short to judge by; the test across every company is the better guide.

MonthCrowd3 months on, vs S&P 5006 months12 months
August 31, 20263 sellingnot yetnot yetnot yet
May 29, 20263 buying+25.1%not yetnot yet
October 31, 20242 buying−13.1%−34.7%−59.0%
August 31, 20104 selling+5.5%+25.5%−16.4%
April 30, 20104 selling−1.2%+25.4%+5.3%

Colours show whether the crowd was right: green when buyers were followed by a rise above the index, or sellers by a fall below it. Total returns from the month end; past patterns are not a forecast.

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