SCHEDULE 13G

TSAKOS ENERGY NAVIGATION LTD

Common Shares, $5.00 par value · CUSIP: G9108L173

Event date: 2025-10-14

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• CASTLEKNIGHT MASTER FUND LP

  Shares: 2,251,487.00 · Class: 7.5%

• CASTLEKNIGHT FUND GP LLC

  Shares: 2,251,487.00 · Class: 7.5%

• CASTLEKNIGHT MANAGEMENT LP

  Shares: 2,251,487.00 · Class: 7.5%

• CASTLEKNIGHT MANAGEMENT GP LLC

  Shares: 2,251,487.00 · Class: 7.5%

• WEITMAN CAPITAL LLC

  Shares: 2,251,487.00 · Class: 7.5%

• AARON WEITMAN

  Shares: 2,251,487.00 · Class: 7.5%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.