🕵️ Tsakos Energy Navigation Ltd ($TEN)
SEC insider & ownership activity, last 12 months · CIK 1166663 · every row links its SEC filing
Over the last 12 months insiders sold $100K against $998K of open-market buying. Tsakos Nikolaos bought $998K in discretionary trades (Apr). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $998K (2 lots) · 1 seller, $100K (1 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Tsakos Nikolaos | 2 | $998K | 0 | – | Apr 29, 2026 |
| Tommasino Nicholas Francis | 0 | – | 1 | $100K | Jul 14, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Nikolas P. Tsakos | 16.7% | 13D | Nov 27, 2024 | filing ↗ | |
| Panayotis Tsakos | 12.8% | 13D | Nov 27, 2024 | filing ↗ | |
| Tsakos Holdings Foundation | 10.7% | 13D | May 16, 2025 | filing ↗ | |
| First Tsakos Investments Inc. | 8.2% | 13D | May 16, 2025 | filing ↗ | |
| Castleknight Master Fund LP | 7.5% | 13G | Oct 21, 2025 | filing ↗ | |
| Castleknight Fund GP LLC | 7.5% | 13G | Oct 21, 2025 | filing ↗ | |
| Castleknight Management LP | 7.5% | 13G | Oct 21, 2025 | filing ↗ | |
| Castleknight Management GP LLC | 7.5% | 13G | Oct 21, 2025 | filing ↗ | |
| Weitman Capital LLC | 7.5% | 13G | Oct 21, 2025 | filing ↗ | |
| Aaron Weitman | 7.5% | 13G | Oct 21, 2025 | filing ↗ | |
| Sea Consolidation S.A. of Panama | 5.1% | 13D | Nov 27, 2024 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Tommasino Nicholas Francis | $100K | Jul 14, 2026 | filing ↗ |
Material events (8-K)
No 8-K filings in the last 12 months.