Amendment to Schedule 13D Filing for Seanergy Maritime Holdings Corp.

This filing is an amendment (Amendment No. 3) to the Schedule 13D previously filed by Stamatios Tsantanis regarding Seanergy Maritime Holdings Corp. The amendment reflects an increase in the beneficial ownership of the Reporting Person. On March 6, 2026, 198,000 shares of Common Stock were issued. The Reporting Person now beneficially owns 2,084,403 shares, representing approximately 9.62% of the class of Common Stock outstanding as of March 27, 2026. The filing details past transactions, including the expiration of options and the exercise of others, as well as a sale of shares. It also outlines the vesting schedule for shares granted under the Issuer's 2011 Equity Incentive Plan. The Reporting Person has sole voting and investment power over the reported shares. There are no known individuals with the right to receive or direct the receipt of dividends or proceeds from the sale of these shares, other than the Reporting Person.