EQUINOX PARTNERS INVESTMENT MANAGEMENT LLC purchased 10.3% of their position (226.44K shares) of GRAN TIERRA ENERGY INC. on the open market

Open‑market purchase worth $965.9K — a moderate purchase. The strongest form of insider conviction signal.

P · 11 purchases

EQUINOX PARTNERS INVESTMENT MANAGEMENT LLC

Filed: 11/17/2025ACC: 0001013594-25-001448

InsiderEQUINOX PARTNERS INVESTMENT MANAGEMENT LLCCIK 938552

→

IssuerGRAN TIERRA ENERGY INC.CIK 1273441

10% Owner

Since Jan 2025

+226.44K

Net shares

Net buyer

$965.9K

Total acquired

Open market trades

11B · 0S

Total transactions

226.44K acquired

Non-Derivative Transactions11

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+7.63K

Price / share

$4.39

Trade value

$33.48K

% of position

0.3%

11/13/2025

2.44M→2.45M

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+2.54K

Price / share

$4.39

Trade value

$11.16K

% of position

0.4%

11/13/2025

630.78K→633.33K

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+5.08K

Price / share

$4.39

Trade value

$22.32K

% of position

1.0%

11/13/2025

528.05K→533.13K

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+7.65K

Price / share

$4.39

Trade value

$33.57K

% of position

0.3%

11/13/2025

2.33M→2.34M

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+25.78K

Price / share

$4.32

Trade value

$111.36K

% of position

1.1%

11/14/2025

2.45M→2.47M

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+8.59K

Price / share

$4.32

Trade value

$37.12K

% of position

1.4%

11/14/2025

633.33K→641.92K

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+17.18K

Price / share

$4.32

Trade value

$74.24K

% of position

3.2%

11/14/2025

533.13K→550.32K

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+25.86K

Price / share

$4.32

Trade value

$111.70K

% of position

1.1%

11/14/2025

2.34M→2.36M

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+54.02K

Price / share

$4.21

Trade value

$227.45K

% of position

2.2%

11/17/2025

2.47M→2.53M

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+18.08K

Price / share

$4.21

Trade value

$76.10K

% of position

2.8%

11/17/2025

641.92K→660K

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+54.02K

Price / share

$4.21

Trade value

$227.45K

% of position

2.3%

11/17/2025

2.36M→2.42M

Total

Net shares

+226.44K

Net value

$965.94K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Shares, par value $0.001 per share Indirect	11/13/2025	P · Purchase	+7.63K	$4.39	$33.48K	0.3%	2.44M	2.45M
Common Shares, par value $0.001 per share Indirect	11/13/2025	P · Purchase	+2.54K	$4.39	$11.16K	0.4%	630.78K	633.33K
Common Shares, par value $0.001 per share Indirect	11/13/2025	P · Purchase	+5.08K	$4.39	$22.32K	1.0%	528.05K	533.13K
Common Shares, par value $0.001 per share Indirect	11/13/2025	P · Purchase	+7.65K	$4.39	$33.57K	0.3%	2.33M	2.34M
Common Shares, par value $0.001 per share Indirect	11/14/2025	P · Purchase	+25.78K	$4.32	$111.36K	1.1%	2.45M	2.47M
Common Shares, par value $0.001 per share Indirect	11/14/2025	P · Purchase	+8.59K	$4.32	$37.12K	1.4%	633.33K	641.92K
Common Shares, par value $0.001 per share Indirect	11/14/2025	P · Purchase	+17.18K	$4.32	$74.24K	3.2%	533.13K	550.32K
Common Shares, par value $0.001 per share Indirect	11/14/2025	P · Purchase	+25.86K	$4.32	$111.70K	1.1%	2.34M	2.36M
Common Shares, par value $0.001 per share Indirect	11/17/2025	P · Purchase	+54.02K	$4.21	$227.45K	2.2%	2.47M	2.53M
Common Shares, par value $0.001 per share Indirect	11/17/2025	P · Purchase	+18.08K	$4.21	$76.10K	2.8%	641.92K	660K
Common Shares, par value $0.001 per share Indirect	11/17/2025	P · Purchase	+54.02K	$4.21	$227.45K	2.3%	2.36M	2.42M
Total			+226.44K		$965.94K

Derivative Transactions0

No derivative transactions reported