Star Bulk director sells $112K in company stock

Star Bulk Carriers Corp. (SBLK) director Eleni Vrettou reported selling 3,500 common shares on September 21, 2026 in a sale described as an open market or private transaction at $32.12 per share.

Available on EDGAR 09/22/2026 - 08:26 AM EDT Accepted by SEC EDGAR 09/22/2026 - 08:25 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Star Bulk Carriers Corp. (SBLK) director Eleni Vrettou reported selling 3,500 common shares on September 21, 2026 in a sale described as an open market or private transaction at $32.12 per share. Following this transaction, she directly holds 73,686 common shares, and no Rule 10b5-1 trading plan is reported.

Insider Trade Summary

Net Seller: 3,500 shares

Net Sell 1 txn

Insider Vrettou Eleni

Role Director

Sold 3,500 shs ($112K)

Type	Security	Shares	Price	Value
Sale	Common shares, par value $0.01 per share	3,500	$32.12	$112K

Holdings After Transaction: Common shares, par value $0.01 per share — 73,686 shares (Direct)

Key Figures

Shares sold: 3,500 shares Sale price per share: $32.12 per share Approximate transaction value: $112,420 +2 more

5 metrics

Shares sold 3,500 shares Common shares sold by director on September 21, 2026

Sale price per share $32.12 per share Price for the September 21, 2026 sale transaction

Approximate transaction value $112,420 3,500 shares sold at $32.12 per share

Shares held after transaction 73,686 shares Director’s direct holdings following the sale

Net buy/sell shares 3,500 shares net sold Reported in the transaction summary for this Form 4

Key Terms

Common shares, par value $0.01 per share, Sale in open market or private transaction, Rule 10b5-1 plan

3 terms

Common shares, par value $0.01 per share financial

"Security title is listed as Common shares, par value $0.01 per share"

Sale in open market or private transaction financial

"Transaction code description states Sale in open market or private transaction"

Rule 10b5-1 plan regulatory

"A document-level checkbox indicates whether trades are under a Rule 10b5-1 plan"

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

FAQ

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

What insider transaction did SBLK report for director Eleni Vrettou?

SBLK reported that director Eleni Vrettou sold 3,500 common shares of Star Bulk Carriers Corp. on September 21, 2026 in a sale described as an open market or private transaction.

At what price were the Star Bulk (SBLK) shares sold by the director?

The 3,500 SBLK common shares were sold at a price of $32.12 per share, as reported for the September 21, 2026 transaction.

How many SBLK shares does the director hold after the reported sale?

After the sale, director Eleni Vrettou directly holds 73,686 common shares of Star Bulk Carriers Corp., according to the Form 4 filing.

Was the SBLK insider sale made under a Rule 10b5-1 trading plan?

No. The filing indicates that no Rule 10b5-1 plan is reported for the September 21, 2026 sale of 3,500 Star Bulk Carriers Corp. shares.

Is the Star Bulk (SBLK) insider transaction a buy or a sell?

The Form 4 reports a sale of Star Bulk Carriers Corp. common shares, with 3,500 shares disposed of in the September 21, 2026 transaction.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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^*

Vrettou Eleni

(Last) (First) (Middle)

260-262 KIFISIAS AVENUE

CHALANDRI

(Street)

ATHENS 15231

(City) (State) (Zip)

GREECE

(Country)

2. Issuer Name and Ticker or Trading Symbol
Star Bulk Carriers Corp. [ SBLK ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/21/2026

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, par value $0.01 per share	09/21/2026		S		3,500	D	$32.12	73,686	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:

	Eleni Vrettou	09/22/2026
	** 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)