Diana Shipping (NYSE: DSX) insider group reports 8.7% stake

Rhea-AI Filing Summary

Diana Shipping Inc. and related investors filed Amendment No. 4 to a Schedule 13D to update their ownership in the company’s common stock. As of March 12, 2026, the issuer had 123,539,757 shares outstanding. Anamar Investments Inc. holds 9,626,676 shares, representing 7.6% of the outstanding stock, and ESX Investments Inc. holds 1,395,948 shares, or 1.1%. Anastasios Margaronis may be deemed to beneficially own 11,022,624 shares in aggregate through Anamar and ESX, representing 8.7% of Diana Shipping’s outstanding shares. The filing states that, other than as disclosed, no transactions in the shares were effected by the reporting persons during the past 60 days.

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Accepted by SEC EDGAR 03/18/2026 - 05:44 PM Learn about SEC filing dates

FAQ

What does Diana Shipping (DSX) Amendment No. 4 to Schedule 13D report?

Amendment No. 4 updates ownership percentages in Diana Shipping Inc. common stock. It shows current beneficial stakes held by Anamar Investments Inc., ESX Investments Inc., and Anastasios Margaronis based on 123,539,757 shares outstanding as of March 12, 2026.

How many Diana Shipping (DSX) shares does Anastasios Margaronis beneficially own?

Anastasios Margaronis may be deemed to beneficially own 11,022,624 Diana Shipping shares. This aggregate interest, held indirectly through Anamar and ESX, represents 8.7% of the company’s issued and outstanding common stock, based on 123,539,757 shares outstanding.

What stakes do Anamar Investments and ESX Investments hold in Diana Shipping (DSX)?

Anamar Investments Inc. is the record holder of 9,626,676 Diana Shipping shares, representing 7.6% of outstanding stock. ESX Investments Inc. holds 1,395,948 shares, representing 1.1% of the issued and outstanding common shares of the company.

Were there any recent share transactions by the Diana Shipping (DSX) reporting persons?

The filing states that, except as otherwise disclosed, no transactions in Diana Shipping common shares were effected by the reporting persons during the past 60 days. The amendment focuses on updated ownership percentages rather than new purchase or sale activity.

How many Diana Shipping (DSX) shares are outstanding in this Schedule 13D/A?

As of March 12, 2026, Diana Shipping Inc. had 123,539,757 common shares outstanding. The ownership percentages reported for Anamar, ESX, and Anastasios Margaronis are calculated relative to this total number of issued and outstanding shares.

Why was Amendment No. 4 to the Diana Shipping (DSX) Schedule 13D filed?

Amendment No. 4 was filed solely to report a change in the reporting persons’ ownership percentage in Diana Shipping Inc. It amends and restates Item 5 of the prior Schedule 13D to reflect current beneficial ownership levels.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 4)

DIANA SHIPPING INC.

(Name of Issuer)

Common Stock, $0.01 par value per share

(Title of Class of Securities)

(CUSIP Number)

Ms. Maria Dede
Pendelis 16, Palaio Faliro
Athens, J3, 175 64
30-210-9470-100

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

02/25/2026

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

schemaVersion:

SCHEDULE 13D

CUSIP No.

1

Name of reporting person

Anastasios Margaronis

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

OO

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

GREECE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 11,022,624.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 11,022,624.00

11

Aggregate amount beneficially owned by each reporting person

11,022,624.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

8.7 %

14

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13D

CUSIP No.

1

Name of reporting person

Anamar Investments Inc

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

OO

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

MARSHALL ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 9,626,676.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 9,626,676.00

11

Aggregate amount beneficially owned by each reporting person

9,626,676.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

7.6 %

14

Type of Reporting Person (See Instructions)

CO

SCHEDULE 13D

CUSIP No.

1

Name of reporting person

ESX Investments Inc.

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

OO

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

MARSHALL ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 1,395,948.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 1,395,948.00

11

Aggregate amount beneficially owned by each reporting person

1,395,948.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

1.1 %

14

Type of Reporting Person (See Instructions)

CO

SCHEDULE 13D

Item 1.	Security and Issuer
(a)	Title of Class of Securities: Common Stock, $0.01 par value per share
(b)	Name of Issuer: DIANA SHIPPING INC.
(c)	Address of Issuer's Principal Executive Offices: Pendelis 16, Palaio Faliro, Athens, GREECE , 175 64.
Item 1 Comment: This Amendment No. 4 ("Amendment No. 4") to the Schedule 13D filed with the Commission on March 13, 2019 (as amended by Amendment No. 1 to the Schedule 13D filed with the Commission on November 26, 2019, Amendment No. 2 to the Schedule 13D filed with the Commission on December 15, 2020, and Amendement No. 3 filed with the Commission on March 13, 2026 the "Schedule 13D") relates to shares of common stock, par value $0.01 per share (the "Shares"), of Diana Shipping Inc. (the "Issuer"). This Amendment No. 4 to the Schedule 13D is being filed soley to report a change in the Reporting Persons ownership percentage in the Issuer. Item 5 of the Schedule 13D is hereby amended and restated as follows.
Item 5.	Interest in Securities of the Issuer
(a)	As of March 12, 2026, the Issuer had 123,539,757 Shares outstanding. The following persons report beneficial ownership of the following Shares.
(b)	Anamar is the record holder of 9,626,676 Shares, representing 7.6% of the Issuer's issued and outstanding Shares. ESX is the record holder of 1,395,948 Shares, representing 1.1% of the Issuer's issued and outstanding Shares. Margaronis indirectly may be deemed to beneficially own 11,022,624 Shares in aggregate, representing 8.7% of the Issuer's issued and outstanding shares, through Anamar and ESX, as the result of his ability to control the vote and disposition of such entities. Anamar has the sole power to vote or direct the vote of 0 Shares and has the shared power to vote or direct the vote of 9,626,676 Shares, representing 7.6% of the Issuer's issued and outstanding Shares. ESX has the sole power to vote or direct the vote of 0 Shares and has the shared power to vote or direct the vote of 1,395,948 Shares, representing 1.1% of the Issuer's issued and outstanding Shares. Margaronis has the sole power to vote or direct the vote of 0 Shares and has the shared power to vote or direct the vote of 11,022,624 Shares, in aggregate, representing 8.7% of the Issuer's issued and outstanding Shares, through Anamar and ESX.
(c)	Except as otherwise disclosed herein, no transactions in the Shares were effected by the Reporting Persons during the past 60 days.
(d)	No other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, any of the Shares beneficially owned by the Reporting Persons.
(e)	Not applicable.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Anastasios Margaronis

Signature:	/s/ Anastasios Margaronis
Name/Title:	Anastasios Margaronis
Date:	03/18/2026

Anamar Investments Inc

Signature:	/s/ Anastasios Margaronis
Name/Title:	Anastasios Margaronis, Authorized Representative
Date:	03/18/2026

ESX Investments Inc.

Signature:	/s/ Anastasios Margaronis
Name/Title:	Anastasios Margaronis, Authorized Representative
Date:	03/18/2026