Diana Shipping (NYSE: DSX) files Form 6-K on new time charter deal

Rhea-AI Filing Summary

Diana Shipping Inc. reports a new commercial contract in this Form 6-K. The company, through a wholly owned subsidiary, has entered into a time charter agreement with Stone Shipping Ltd for one of its Ultramax dry bulk vessels, the m/v DSI Pollux. A press release dated December 4, 2025 describing this charter is attached as an exhibit. The company also states that the information in this report is incorporated by reference into its effective shelf registration statements on Form F-3, which may be used for future securities offerings.

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 December 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 December 4, 2025, of Diana Shipping Inc. (the "Company"), announcing that, through a separate wholly-owned subsidiary, it has entered into a time charter contract with Stone Shipping Ltd, for one of its Ultramax dry bulk vessels, the m/v DSI Pollux.

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: December 4, 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, through a wholly owned subsidiary, it has entered into a time charter contract with Stone Shipping Ltd for its Ultramax dry bulk vessel, the m/v DSI Pollux, as described in an attached press release dated December 4, 2025.

Which vessel is covered by the new time charter disclosed by Diana Shipping Inc. (DSX)?

The new time charter involves one of Diana Shipping Inc.'s Ultramax dry bulk vessels, specifically the m/v DSI Pollux.

Who is the counterparty to Diana Shipping Inc.'s new time charter for the m/v DSI Pollux?

The counterparty to the new time charter for the m/v DSI Pollux is Stone Shipping Ltd.

How is this Form 6-K related to Diana Shipping Inc.'s existing registration statements?

The information in this Form 6-K is incorporated by reference into Diana Shipping Inc.'s shelf registration statements on Form F-3 (File Nos. 333-266999 and 333-280693), which are already effective.

What exhibit is attached to Diana Shipping Inc.'s December 2025 Form 6-K?

The Form 6-K includes as Exhibit 99.1 a press release dated December 4, 2025, in which Diana Shipping Inc. provides details about the new time charter for the m/v DSI Pollux.

Does the Form 6-K indicate whether Diana Shipping Inc. files annual reports on Form 20-F or Form 40-F?

Yes. The Form 6-K indicates that Diana Shipping Inc. files its annual reports under cover of Form 20-F, not Form 40-F.