DSX updates F-3 filings with new m/v Seattle time charter

Rhea-AI Filing Summary

Diana Shipping Inc. reported that one of its wholly owned subsidiaries has entered into a new time charter contract with SwissMarine Pte. Ltd., Singapore for its Capesize dry bulk vessel, the m/v Seattle. A time charter means the vessel is hired out for a set period while Diana continues to operate and crew the ship.

The company also noted that this update is being incorporated by reference into its existing shelf registration statements on Form F-3, which can be used for future securities offerings. No financial terms or charter duration details for the m/v Seattle contract are provided in this report.

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Form 6-K: How Foreign Companies Report to the SEC →

FORM 6-K

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16

OF THE SECURITIES EXCHANGE ACT OF 1934

For the month of November 2025

Commission File Number: 001-32458

DIANA SHIPPING INC.

(Translation of registrant's name into English)

Pendelis 16, 175 64 Palaio Faliro, Athens, Greece

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F [X] Form 40-F [ ]

INFORMATION CONTAINED IN THIS FORM 6-K REPORT

Attached to this Report on Form 6-K as Exhibit 99.1 is a press release dated November 21, 2025, of Diana Shipping Inc. (the "Company"), announcing that, through a separate wholly-owned subsidiary, it has entered into a time charter contract with SwissMarine Pte. Ltd., Singapore, for one of its Capesize dry bulk vessels, the m/v Seattle.

The information contained in this Report on Form 6-K is hereby incorporated by reference into the Company's registration statements on Form F-3 (File Nos. 333-266999 and 333-280693) that were filed with the U.S. Securities and Exchange Commission and became effective on September 16, 2022, and September 9, 2024, respectively.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	DIANA SHIPPING INC.
	(registrant)
Dated: November 21, 2025	By:	/s/ Anastasios Margaronis
		Anastasios Margaronis
		President

FAQ

What did Diana Shipping Inc. (DSX) announce in this Form 6-K?

Diana Shipping Inc. announced that a wholly owned subsidiary entered into a time charter contract with SwissMarine Pte. Ltd., Singapore for its Capesize dry bulk vessel, the m/v Seattle.

Which vessel of Diana Shipping Inc. is covered by the new time charter?

The new time charter contract covers Diana Shipping Inc.’s Capesize dry bulk vessel, the m/v Seattle.

Who is the counterparty to Diana Shipping Inc.’s new time charter for the m/v Seattle?

The counterparty is SwissMarine Pte. Ltd., Singapore, which has entered into a time charter contract for the m/v Seattle.

Does this DSX Form 6-K disclose the financial terms or duration of the m/v Seattle charter?

No. The report mentions the time charter contract for the m/v Seattle but does not provide specific financial terms or the charter duration.

How does this Form 6-K relate to Diana Shipping Inc.’s existing registration statements?

The information in this Form 6-K is incorporated by reference into Diana Shipping Inc.’s effective Form F-3 registration statements (File Nos. 333-266999 and 333-280693).

What type of filing is this for Diana Shipping Inc. (DSX)?

This is a Form 6-K report of a foreign private issuer, used by Diana Shipping Inc. to provide an update on a new time charter contract and related information.