---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-086472"
form_type: "8-K"
ticker: "GTE"
cik: "0001273441"
company_name: "GRAN TIERRA ENERGY INC."
filed_at: "2023-08-02T23:59:59+00:00"
generated_at: "2026-06-12T11:58:02.346378+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Gran Tierra achieves record reserves; 1P 94 MMBOE, NAV per share up 7-15%

## Summary
- Highest reserves in company history: 94 MMBOE 1P, 150 MMBOE 2P, 212 MMBOE 3P.
- Reserves replacement 270% 1P, 433% 2P, 599% 3P from drilling & Suroriente agreement.
- NAV per share before tax $49.54 (1P) and $84.39 (2P), up 7% and 15% from Dec 31, 2022.
- F&D costs excl. FDC: $8.55/boe (1P), $5.33/boe (2P), $3.86/boe (3P).
- NPV10 before tax $2.2B (1P), $3.3B (2P), $4.5B (3P).

## SEC filing metadata
- accession: 0001104659-23-086472
- form_type: 8-K
- ticker: GTE
- cik: 0001273441
- company_name: GRAN TIERRA ENERGY INC.
- filed_at: 2023-08-02T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1273441/000110465923086472/0001104659-23-086472-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1273441/000110465923086472/tm2322601d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-086472
- JSON: https://secwatch.observer/filing/0001104659-23-086472.json
- Plain text: https://secwatch.observer/filing/0001104659-23-086472.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.