EQUINOX PARTNERS INVESTMENT MANAGEMENT LLC purchased 8.5% of their position (181.59K shares) of GRAN TIERRA ENERGY INC. on the open market

Open‑market purchase worth $774.0K — a moderate purchase. The strongest form of insider conviction signal.

P · 12 purchases

EQUINOX PARTNERS INVESTMENT MANAGEMENT LLC

Filed: 11/12/2025ACC: 0001013594-25-001388

InsiderEQUINOX PARTNERS INVESTMENT MANAGEMENT LLCCIK 938552

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IssuerGRAN TIERRA ENERGY INC.CIK 1273441

10% Owner

Since Jan 2025

+181.59K

Net shares

Net buyer

$774.0K

Total acquired

Open market trades

12B · 0S

Total transactions

181.59K acquired

Non-Derivative Transactions12

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+16.88K

Price / share

$4.11

Trade value

$69.36K

% of position

0.7%

11/7/2025

2.38M→2.40M

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+5.63K

Price / share

$4.11

Trade value

$23.12K

% of position

0.9%

11/7/2025

610.63K→616.25K

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+11.25K

Price / share

$4.11

Trade value

$46.24K

% of position

2.3%

11/7/2025

487.74K→498.99K

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+16.93K

Price / share

$4.11

Trade value

$69.57K

% of position

0.7%

11/7/2025

2.27M→2.28M

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+5.25K

Price / share

$4.33

Trade value

$22.75K

% of position

0.2%

11/11/2025

2.40M→2.40M

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+1.75K

Price / share

$4.33

Trade value

$7.58K

% of position

0.3%

11/11/2025

616.25K→618K

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+3.50K

Price / share

$4.33

Trade value

$15.17K

% of position

0.7%

11/11/2025

498.99K→502.49K

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+5.27K

Price / share

$4.33

Trade value

$22.81K

% of position

0.2%

11/11/2025

2.28M→2.29M

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+38.34K

Price / share

$4.32

Trade value

$165.62K

% of position

1.6%

11/12/2025

2.40M→2.44M

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+12.78K

Price / share

$4.32

Trade value

$55.21K

% of position

2.1%

11/12/2025

618K→630.78K

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+25.56K

Price / share

$4.32

Trade value

$110.41K

% of position

5.1%

11/12/2025

502.49K→528.05K

Common Shares, par value $0.001 per share

Indirect

P · Purchase

+38.45K

Price / share

$4.32

Trade value

$166.12K

% of position

1.7%

11/12/2025

2.29M→2.33M

Total

Net shares

+181.59K

Net value

$773.98K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Shares, par value $0.001 per share Indirect	11/7/2025	P · Purchase	+16.88K	$4.11	$69.36K	0.7%	2.38M	2.40M
Common Shares, par value $0.001 per share Indirect	11/7/2025	P · Purchase	+5.63K	$4.11	$23.12K	0.9%	610.63K	616.25K
Common Shares, par value $0.001 per share Indirect	11/7/2025	P · Purchase	+11.25K	$4.11	$46.24K	2.3%	487.74K	498.99K
Common Shares, par value $0.001 per share Indirect	11/7/2025	P · Purchase	+16.93K	$4.11	$69.57K	0.7%	2.27M	2.28M
Common Shares, par value $0.001 per share Indirect	11/11/2025	P · Purchase	+5.25K	$4.33	$22.75K	0.2%	2.40M	2.40M
Common Shares, par value $0.001 per share Indirect	11/11/2025	P · Purchase	+1.75K	$4.33	$7.58K	0.3%	616.25K	618K
Common Shares, par value $0.001 per share Indirect	11/11/2025	P · Purchase	+3.50K	$4.33	$15.17K	0.7%	498.99K	502.49K
Common Shares, par value $0.001 per share Indirect	11/11/2025	P · Purchase	+5.27K	$4.33	$22.81K	0.2%	2.28M	2.29M
Common Shares, par value $0.001 per share Indirect	11/12/2025	P · Purchase	+38.34K	$4.32	$165.62K	1.6%	2.40M	2.44M
Common Shares, par value $0.001 per share Indirect	11/12/2025	P · Purchase	+12.78K	$4.32	$55.21K	2.1%	618K	630.78K
Common Shares, par value $0.001 per share Indirect	11/12/2025	P · Purchase	+25.56K	$4.32	$110.41K	5.1%	502.49K	528.05K
Common Shares, par value $0.001 per share Indirect	11/12/2025	P · Purchase	+38.45K	$4.32	$166.12K	1.7%	2.29M	2.33M
Total			+181.59K		$773.98K

Derivative Transactions0

No derivative transactions reported