SCHEDULE: Seanergy Maritime Holdings Corp. - Major Shareholder Filing

Konstantinos Konstantakopoulos and Longshaw Maritime Investments S.A. report beneficial ownership of 10.2% of Seanergy Maritime Holdings Corp. common stock as of March 31, 2026.

Summary

• This filing is an amendment to a Schedule 13G for Seanergy Maritime Holdings Corp.
• Konstantinos Konstantakopoulos (a Greek citizen) and Longshaw Maritime Investments S.A. (a Marshall Islands corporation) are the reporting persons.
• Longshaw Maritime Investments S.A. is controlled by Konstantinos Konstantakopoulos, who indirectly owns the shares.
• As of March 31, 2026, the reporting persons beneficially own 2,203,714 shares of common stock.
• This represents 10.2% of the total outstanding shares, based on 21,668,198 shares reported in a Form 20-F filed on March 31, 2026.
• Both reporting persons have shared voting power and shared dispositive power over these shares.
• They certify that the securities were not acquired or held for the purpose of influencing control of the issuer.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral filing. It's a routine disclosure of ownership and does not inherently signal positive or negative performance, but rather a significant stake held by an individual and his entity.

Positives

• Significant beneficial ownership reported by a key individual and his associated entity, indicating a substantial stake in the company.
• The reporting persons certify that their holdings are not for the purpose of influencing control, which may be viewed positively by some investors regarding corporate stability.

Risks

• While not explicitly stated as a risk, a significant ownership stake by a single individual or entity could lead to concentrated decision-making power, potentially impacting minority shareholder interests if not managed transparently.
• The filing is based on a Form 20-F filed on March 31, 2026, which might not reflect the most current outstanding share count if there have been subsequent issuances or buybacks.

Future Outlook

The filing does not contain forward-looking statements or guidance. It is a disclosure of beneficial ownership.

Management Comments

• Konstantinos Konstantakopoulos certifies that, to the best of his knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

Industry Context

StockSavvy.ai notes that this Schedule 13G filing by Konstantinos Konstantakopoulos and Longshaw Maritime Investments S.A. indicates a significant ownership position in Seanergy Maritime Holdings Corp., a company operating in the dry bulk shipping sector. Such filings are common for major shareholders and can signal confidence or influence within the company.

Stakeholder Impact

• Shareholders: The filing clarifies a significant ownership block, which could influence corporate strategy and governance. The certification regarding control may provide some reassurance.
• Management: The substantial stake held by Konstantinos Konstantakopoulos may imply a degree of influence on management decisions and board composition.
• Creditors/Suppliers: No direct impact indicated by this filing.

Next Steps

• Continued monitoring of Seanergy Maritime Holdings Corp.'s operational and financial performance.
• Observation of any future filings by Konstantinos Konstantakopoulos or Longshaw Maritime Investments S.A. that might indicate changes in their ownership or intentions.

Key Dates

Keywords

Seanergy Maritime Holdings Corp., Schedule 13G, Beneficial Ownership, Konstantinos Konstantakopoulos, Longshaw Maritime Investments S.A., Shipping, Maritime, SEC Filing, Shareholder