Diana Shipping sells 1.2M Genco Shipping shares

GENCO SHIPPING & TRADING LTD (GNK) reported that DIANA SHIPPING INC., a ten percent owner, sold GNK common shares in a series of open-market transactions.

Rhea-AI Filing Summary

GENCO SHIPPING & TRADING LTD (GNK) reported that DIANA SHIPPING INC., a ten percent owner, sold GNK common shares in a series of open-market transactions. On August 21 and 24, 2026, DIANA SHIPPING INC. sold a total of 1,200,000 common shares at average prices within ranges from $26.29 to $27.50 per share, with each reported price representing an average for multiple trades.

Insider Trade Summary

Net Seller: 1,200,000 shares

Net Sell 8 txns

Insider DIANA SHIPPING INC.

Role 10% Owner

Sold 1,200,000 shs ($32.06M)

Type	Security	Shares	Price	Value
Sale	Common Shares F3	75,000	$27.22	$2.04M
Sale	Common Shares F4	75,000	$26.94	$2.02M
Sale	Common Shares F5	75,000	$26.65	$2.00M
Sale	Common Shares F6	75,000	$26.54	$1.99M
Sale	Common Shares F7	75,000	$26.50	$1.99M
Sale	Common Shares F8	375,000	$26.74	$10.03M
Sale	Common Shares F1	75,000	$26.93	$2.02M
Sale	Common Shares F2	375,000	$26.59	$9.97M

Holdings After Transaction: Common Shares — 5,064,548 shares (Direct)

Footnotes (8)

1. F1. The shares were sold in the open market and the price reported is an average price. These shares were sold in multiple transactions at prices ranging from $26.835 to $27.16, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range.
2. F2. The shares were sold in the open market and the price reported is an average price. These shares were sold in multiple transactions at prices ranging from $26.29 to $26.735, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range.
3. F3. The shares were sold in the open market and the price reported is an average price. These shares were sold in multiple transactions at prices ranging from $27.135 to $27.50, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range.
4. F4. The shares were sold in the open market and the price reported is an average price. These shares were sold in multiple transactions at prices ranging from $26.85 to $27.24, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range.
5. F5. The shares were sold in the open market and the price reported is an average price. These shares were sold in multiple transactions at prices ranging from $26.54 to $26.96, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range.
6. F6. The shares were sold in the open market and the price reported is an average price. These shares were sold in multiple transactions at prices ranging from $26.50 to $26.71, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range.
7. F7. The shares were sold in the open market and the price reported is an average price. These shares were sold in multiple transactions at prices ranging from $26.50 to $26.575, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range.
8. F8. The shares were sold in the open market and the price reported is an average price. These shares were sold in multiple transactions at prices ranging from $26.5 to $27.235, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range.

Key Figures

Total shares sold: 1,200,000 shares Largest single reported block: 375,000 shares Highest reported average price: $27.22 per share +3 more

6 metrics

Total shares sold 1,200,000 shares Aggregate GNK common shares sold by DIANA SHIPPING INC. on August 21 and 24, 2026

Largest single reported block 375,000 shares Two transactions of 375,000 GNK common shares each on August 21 and 24, 2026

Highest reported average price $27.22 per share Sale of 75,000 GNK common shares on August 24, 2026

Lowest price range low $26.29 per share Footnote F2 price range for one August 21, 2026 transaction

Highest price range high $27.50 per share Footnote F3 price range for one August 24, 2026 transaction

Number of reported sale transactions 8 transactions Non-derivative open-market sales of GNK common shares

Key Terms

ten percent owner, average price, open market

3 terms

ten percent owner regulatory

"DIANA SHIPPING INC. is reported as a ten percent owner of the issuer"

average price financial

"The shares were sold in the open market and the price reported is an average price"

open market financial

"The shares were sold in the open market and the price reported is an average price"

An open market is a system where buying and selling of goods, services, or financial assets happen freely without restrictions or special controls. For investors, it means they can trade assets easily and quickly, which helps determine fair prices based on supply and demand. This environment encourages transparency and competition, making it easier to buy or sell with confidence.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider activity did DIANA SHIPPING INC. report in GNK on this Form 4?

DIANA SHIPPING INC., a ten percent owner of GENCO SHIPPING & TRADING LTD (GNK), reported open-market sales of GNK common shares in multiple transactions on August 21 and 24, 2026.

How many GNK shares did DIANA SHIPPING INC. sell according to this Form 4?

DIANA SHIPPING INC. reported selling a total of 1,200,000 GNK common shares in eight non-derivative transactions, as summarized in the filing’s transaction data.

Over what price ranges were the GNK shares sold by DIANA SHIPPING INC.?

The shares were sold at average prices in multiple trades, with price ranges disclosed between $26.29 and $27.50 per share, depending on the specific transaction footnote.

On which dates did DIANA SHIPPING INC. sell GNK shares?

DIANA SHIPPING INC. reported selling GNK common shares on two dates: August 21, 2026 and August 24, 2026, across a total of eight separate non-derivative sale transactions.

Were the GNK insider sales by DIANA SHIPPING INC. made in the open market?

Yes. Footnotes state that the GNK common shares were sold in the open market and that each reported price is an average price for multiple transactions within a specified price range.

Does this GNK Form 4 indicate use of a Rule 10b5-1 trading plan?

The Form 4’s Rule 10b5-1 checkbox is not marked as affirmatively checked, and the footnotes describe the sales as open-market transactions without referencing a trading plan.

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Available on EDGAR 08/25/2026 - 04:35 PM EDT Accepted by SEC EDGAR 08/25/2026 - 04:34 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

DIANA SHIPPING INC.

(Last) (First) (Middle)

PENDELIS 16

PALAIO FALIRO

(Street)

ATHENS 175 64

(City) (State) (Zip)

GREECE

(Country)

2. Issuer Name and Ticker or Trading Symbol
GENCO SHIPPING & TRADING LTD [ GNK ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/21/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Shares	08/21/2026		S		75,000(1)	D	$26.93	6,189,548	D
Common Shares	08/21/2026		S		375,000(2)	D	$26.59	5,814,548	D
Common Shares	08/24/2026		S		75,000(3)	D	$27.22	5,739,548	D
Common Shares	08/24/2026		S		75,000(4)	D	$26.94	5,664,548	D
Common Shares	08/24/2026		S		75,000(5)	D	$26.65	5,589,548	D
Common Shares	08/24/2026		S		75,000(6)	D	$26.54	5,514,548	D
Common Shares	08/24/2026		S		75,000(7)	D	$26.5	5,439,548	D
Common Shares	08/24/2026		S		375,000(8)	D	$26.74	5,064,548	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The shares were sold in the open market and the price reported is an average price. These shares were sold in multiple transactions at prices ranging from $26.835 to $27.16, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range.

2. The shares were sold in the open market and the price reported is an average price. These shares were sold in multiple transactions at prices ranging from $26.29 to $26.735, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range.

3. The shares were sold in the open market and the price reported is an average price. These shares were sold in multiple transactions at prices ranging from $27.135 to $27.50, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range.

4. The shares were sold in the open market and the price reported is an average price. These shares were sold in multiple transactions at prices ranging from $26.85 to $27.24, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range.

5. The shares were sold in the open market and the price reported is an average price. These shares were sold in multiple transactions at prices ranging from $26.54 to $26.96, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range.

6. The shares were sold in the open market and the price reported is an average price. These shares were sold in multiple transactions at prices ranging from $26.50 to $26.71, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range.

7. The shares were sold in the open market and the price reported is an average price. These shares were sold in multiple transactions at prices ranging from $26.50 to $26.575, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range.

8. The shares were sold in the open market and the price reported is an average price. These shares were sold in multiple transactions at prices ranging from $26.5 to $27.235, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range.

	/s/ Ioannis Zafirakis, Authorized Representative	08/25/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)