GTE: Gran Tierra Energy Inc. insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-09-17 | Fell below 5% | Equinox Partners Investment Management LLC | 4.30% | -5.50 pts | SEC |
| 2026-08-17 | New 13G stake | Equinox Partners Investment Management LLC | 9.80% | -1.90 pts | SEC |
| 2026-08-13 | 13D stake cut | Equinox Partners Investment Management LLC | 11.70% | -1.80 pts | SEC |
| 2026-08-12 | 13G amendment | Daniel Lau | 13.60% | SEC | |
| 2026-08-07 | 13D amendment | Equinox Partners Investment Management LLC | 13.50% | SEC |
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