GRAN TIERRA ENERGY INC. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Calgary, Alberta, Canada
SEC filing record 1 source field available
Fiscal year end
31 December
GRAN TIERRA ENERGY INC. has filed 2,311 SEC EDGAR filings since 31 Dec 2003

SEC filing history

Showing 1-25 of 1,000 matching filings.

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4

OWNERSHIP DOCUMENT

Filing date
17 Sep 2026
Reporting date
15 Sep 2026
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SCHEDULE 13G/A File 005-83601

SCHEDULE 13G/A filing

Filing date
17 Sep 2026
Reporting date
Not listed
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DEFM14A File 001-34018

DEFM14A

Filing date
15 Sep 2026
Reporting date
Not listed
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4

OWNERSHIP DOCUMENT

Filing date
08 Sep 2026
Reporting date
03 Sep 2026
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4

OWNERSHIP DOCUMENT

Filing date
08 Sep 2026
Reporting date
03 Sep 2026
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4

OWNERSHIP DOCUMENT

Filing date
08 Sep 2026
Reporting date
03 Sep 2026
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4

OWNERSHIP DOCUMENT

Filing date
08 Sep 2026
Reporting date
03 Sep 2026
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PREM14A File 001-34018

PREM14A

Filing date
28 Aug 2026
Reporting date
28 Aug 2026
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4

OWNERSHIP DOCUMENT

Filing date
19 Aug 2026
Reporting date
17 Aug 2026
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4

OWNERSHIP DOCUMENT

Filing date
19 Aug 2026
Reporting date
17 Aug 2026
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4

OWNERSHIP DOCUMENT

Filing date
19 Aug 2026
Reporting date
17 Aug 2026
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4

OWNERSHIP DOCUMENT

Filing date
19 Aug 2026
Reporting date
17 Aug 2026
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SCHEDULE 13G File 005-83601

SCHEDULE 13G filing

Filing date
17 Aug 2026
Reporting date
Not listed
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4

FORM 4

Filing date
17 Aug 2026
Reporting date
13 Aug 2026
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SCHEDULE 13D/A File 005-83601

SCHEDULE 13D/A filing

Filing date
13 Aug 2026
Reporting date
Not listed
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4

FORM 4

Filing date
13 Aug 2026
Reporting date
11 Aug 2026
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SCHEDULE 13G/A File 005-83601

SCHEDULE 13G/A filing

Filing date
12 Aug 2026
Reporting date
Not listed
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4

FORM 4

Filing date
11 Aug 2026
Reporting date
07 Aug 2026
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4/A

FORM 4/A

Filing date
10 Aug 2026
Reporting date
05 Aug 2026
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DEFA14A File 001-34018

DEFA14A

Filing date
10 Aug 2026
Reporting date
Not listed
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8-K/A File 001-34018

FORM 8-K/A

Filing date
10 Aug 2026
Reporting date
05 Aug 2026
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SCHEDULE 13D/A File 005-83601

SCHEDULE 13D/A filing

Filing date
07 Aug 2026
Reporting date
Not listed
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4

FORM 4

Filing date
07 Aug 2026
Reporting date
05 Aug 2026
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4

OWNERSHIP DOCUMENT

Filing date
06 Aug 2026
Reporting date
04 Aug 2026
SEC evidence
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