---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-096738"
form_type: "8-K"
ticker: "GTE"
cik: "0001273441"
company_name: "GRAN TIERRA ENERGY INC."
filed_at: "2025-10-03T23:59:59+00:00"
generated_at: "2026-05-17T04:42:36.860518+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Gran Tierra appoints Brad Virbitsky as independent director; Equinox partner owns 14.4%

## Summary
- Brad Virbitsky appointed to Board effective Sept 30, 2025; serves on HSE & Reserves Committees.
- Virbitsky is Partner & Portfolio Manager at Equinox Partners, which owns ~14.4% of Gran Tierra shares.
- Compensated under standard non-employee director program; indemnity agreement entered into.
- Virbitsky has energy-sector expertise; previously on Crew Energy board during Tourmaline sale at 70% premium.
- No family relationships or material transactions with Gran Tierra officers or directors.

## SEC filing metadata
- accession: 0001104659-25-096738
- form_type: 8-K
- ticker: GTE
- cik: 0001273441
- company_name: GRAN TIERRA ENERGY INC.
- filed_at: 2025-10-03T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1273441/000110465925096738/0001104659-25-096738-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1273441/000110465925096738/tm2528004d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-096738
- JSON: https://secwatch.observer/filing/0001104659-25-096738.json
- Plain text: https://secwatch.observer/filing/0001104659-25-096738.txt

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