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GNK SCHEDULE 13D/A: Material agreement

Filed with the SEC on · accession 0001104659-26-093587

GNK filed a SCHEDULE 13D/A (schedule 13d/a) with the SEC on Aug 10, 2026. A report the company filed with the SEC (the US market regulator). The stock moved -1.1% by the first close after the filing.

Summary of the filing

Star Bulk Carriers Corp. and Diana Shipping Inc. mutually agreed to terminate their March 6, 2026 agreement for the sale and purchase of 16 vessels, releasing both parties from all related obligations effective August 10, 2026.

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Key details

Number of vessels subject to the terminated sale and purchase agreement$16
Counterparty to the terminated vessel purchase agreementStar Bulk Carriers Corp.
Counterparty to the terminated vessel sale agreementDiana Shipping Inc.
Subject company of the schedule 13d/a filingGenco Shipping & Trading Ltd.
Director and chief executive officer of diana shipping inc.Semiramis Paliou
Star bulk carriers corp. contactChristos Begleris
Star bulk carriers corp. contactSimos Spyrou

How GNK stock reacted

Close before

$25.33

Aug 7, 2026

First close after

-1.07%

$25.06

5 trading days

+3.99%

$26.34

Since filing

+2.65%

$26.00

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Frequently asked questions

What did GNK file with the SEC on Aug 10, 2026?

GNK filed a SCHEDULE 13D/A (Material agreement). Star Bulk Carriers Corp. and Diana Shipping Inc. mutually agreed to terminate their March 6, 2026 agreement for the sale and purchase of 16 vessels, releasing both parties from all related obligations effective August 10, 2026.

What does a material agreement mean for GNK stock?

A contract important enough that investors need to know about it — a big customer contract, a loan, a merger agreement or a partnership.

How do I read a SCHEDULE 13D/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13D/A (schedule 13d/a): A report the company filed with the SEC (the US market regulator).

How did GNK stock react to this filing?

GNK closed at $25.33 before the filing and $25.06 on Aug 10, 2026 (-1.07%). Five trading days later: $26.34 (+3.99%).

Other GNK SEC filings

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