Semiramis Paliou - 11 Sep 2026 Form 4 Insider Report for DIANA SHIPPING INC. (DSX)

Reporting relationship: Chief Executive Officer, Director, 10%+ Owner
Issuer ticker: DSX
Reported as of: 11 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 16 Sep 2026, 16:35:59 UTC
Prior SEC filing: 24 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Semiramis Paliou

Filing notes and source

Key filing fact

Semiramis Paliou filed Form 4 for DIANA SHIPPING INC. (DSX) on 16 Sep 2026.

Key facts

This page summarizes Semiramis Paliou's Form 4 filing for DIANA SHIPPING INC. (DSX).
4 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 16 Sep 2026, 16:35.

Change

Previous filing in this sequence was filed on 24 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002120982 Primary reporting owner

Paliou Semiramis

Relationship: Chief Executive Officer, Director, 10%+ Owner
Address: PENDELIS 16, PALAIO FALIRO, ATHENS, GREECE
Signature: /s/ Semiramis Paliou
Signature date: 16 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

DSX transaction

Common Stock, $0.01 par value per share

Options Exercise

Transaction value
Shares: +1,369,120
Change %: +17%
Price
Shares after: 9,647,846
Date: 11 Sep 2026
Ownership: See footnote
Footnotes: F1, F3

DSX transaction

Common Stock, $0.01 par value per share

Options Exercise

Transaction value
Shares: +4,610,946
Change %: +34%
Price
Shares after: 18,210,394
Date: 11 Sep 2026
Ownership: See footnote
Footnotes: F2, F4

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

DSX transaction Derivative

Warrants

Options Exercise

Transaction value
Shares: -807,612
Change %: -100%
Price
Shares after: 0
Date: 11 Sep 2026
Ownership: See footnote
Underlying class: Common Stock
Underlying amount: 1,369,120
Exercise price
Footnotes: F3

DSX transaction Derivative

Warrants

Options Exercise

Transaction value
Shares: -2,719,889
Change %: -100%
Price
Shares after: 0
Date: 11 Sep 2026
Ownership: See footnote
Underlying class: Common Stock
Underlying amount: 4,610,946
Exercise price
Footnotes: F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

The shares are held by the Reporting Person indirectly through 4 Sweet Dreams, S.A. ("4SD") as the result of her ability to control the vote and disposition of 4SD. This amount includes 3,585,820 shares awarded to the Reporting Person pursuant to the Issuer's 2014 Equity Incentive Plan (as amended and restated), which are currently unvested.

Footnote F2

The shares are held by the Reporting Person indirectly through Tuscany Shipping Corp. ("Tuscany") as the result of her ability to control the vote and disposition of Tuscany.

Footnote F3

On December 14, 2023, the Issuer distributed a dividend to all shareholders as of the record date, December 6, 2023 (the "Warrant Distribution"). The Issuer distributed one-fifth of a warrant for each issued and outstanding Common Share. On September 11, 2026, the Reporting Person, through 4SD, exercised 807,612 Warrants at an exercise price of $1.69527, resulting in the issuance of 1,369,120 shares of Common Stock. The Reporting person no longer owns any warrants through 4SD issued to it through the Warrant Distribution.

Footnote F4

On December 14, 2023, the Issuer distributed a dividend to all shareholders as of the record date, December 6, 2023 (the "Warrant Distribution"). The Issuer distributed one-fifth of a warrant for each issued and outstanding Common Share. On September 11, 2026, the Reporting Person, through Tuscany, exercised 2,719,889 Warrants at an exercise price of $1.69527, resulting in the issuance of 4,610,946 shares of Common Stock. The Reporting person no longer owns any warrants through Tuscany issued to it through the Warrant Distribution.