Star Bulk (SBLK) director sells 20,000 shares in open-market trade

Rhea-AI Filing Summary

Star Bulk Carriers Corp. director Nikolaos Karellis reported an open-market sale of 20,000 common shares of the company on June 11, 2026 at $26.96 per share. After this transaction, the filing shows he directly owns zero common shares of Star Bulk.

Insider Trade Summary

Net Seller: 20,000 shares ($539,200)

Net Sell 1 txn

Insider Karellis Nikolaos

Role null

Sold 20,000 shs ($539K)

Type	Security	Shares	Price	Value
Sale	Common shares, par value $0.01 per share	20,000	$26.96	$539K

Holdings After Transaction: Common shares, par value $0.01 per share — 0 shares (Direct, null)

Footnotes (1)

Key Figures

Shares sold: 20,000 shares Sale price: $26.96 per share Post-transaction holdings: 0 shares +1 more

4 metrics

Shares sold 20,000 shares Open-market sale of common shares

Sale price $26.96 per share Price for the 20,000 common shares sold

Post-transaction holdings 0 shares Total common shares directly owned after transaction

Net share change -20,000 shares Net buy/sell direction from transaction summary

Key Terms

open-market sale, Form 4, Common shares, par value $0.01 per share

3 terms

open-market sale financial

"transaction_action: "open-market sale" on common shares"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Form 4 regulatory

"INSIDER FILING DATA (Form 4) for director Nikolaos Karellis"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Common shares, par value $0.01 per share financial

"security_title: "Common shares, par value $0.01 per share""

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Form 4 Insider Transactions: What Each Field Means →

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^*

Karellis Nikolaos

(Last) (First) (Middle)

C/O STAR BULK MANAGEMENT INC

40 AG KONSTANTINOU MAROUSI

(Street)

ATHENS 15124

(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)
06/11/2026

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	06/11/2026		S		20,000	D	$26.96	0	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:

	Nikolaos Karellis	06/12/2026
	** 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)

FAQ

What insider transaction did Star Bulk Carriers (SBLK) report for Nikolaos Karellis?

Star Bulk Carriers reported that director Nikolaos Karellis sold 20,000 common shares. The sale was an open-market transaction at $26.96 per share, and following this trade, the Form 4 shows he holds no common shares directly.

How many Star Bulk (SBLK) shares did Nikolaos Karellis sell and at what price?

Nikolaos Karellis sold 20,000 Star Bulk common shares at $26.96 per share. This open-market sale on June 11, 2026 fully disposed of his directly held common shares according to the reported post-transaction balance.

Does Nikolaos Karellis still hold Star Bulk (SBLK) shares after this Form 4 transaction?

According to the Form 4, Nikolaos Karellis holds zero common shares directly after the transaction. The filing lists 20,000 shares sold and a total of 0 common shares owned following completion of the open-market sale.

Was the Star Bulk (SBLK) insider transaction an open-market sale or another type?

The transaction was an open-market sale of common shares. The Form 4 identifies the code as “S” with the action described as an open-market sale, indicating ordinary trading rather than option exercises, gifts, or tax withholding.

What type of security did Nikolaos Karellis sell in Star Bulk (SBLK)?

He sold common shares of Star Bulk Carriers Corp. The Form 4 specifies the security as common shares with a par value of $0.01 per share, and the entire 20,000-share position was sold in this reported transaction.