Star Bulk co-CFO buys 15,000 shares at $28

Star Bulk Carriers’ co-CFO increased his direct ownership through participation in the Greek parallel offering tied to the Euronext Athens dual listing.

Rhea-AI Filing Summary

Star Bulk Carriers Corp. (SBLK) reported that co-CFO Spyrou Symeon purchased 15,000 common shares on September 15, 2026 at $28.27 per share, as part of a parallel offering in Greece following the company’s dual listing on Euronext Athens. After this transaction, he directly holds 241,200 common shares.

Insider Trade Summary

Net Buyer: 15,000 shares

Net Buy 1 txn

Insider Spyrou Symeon

Role co CFO

Bought 15,000 shs ($424K)

Type	Security	Shares	Price	Value
Purchase	Common shares, par value $0.01 per share	15,000	$28.27	$424K

Holdings After Transaction: Common shares, par value $0.01 per share — 241,200 shares (Direct)

Key Figures

Shares purchased: 15,000 shares Purchase price: $28.27 per share Offering price in EUR: EUR24.50 per share +2 more

5 metrics

Shares purchased 15,000 shares Common share purchase on September 15, 2026

Purchase price $28.27 per share Equivalent to EUR24.50 per share in the Greek offering

Offering price in EUR EUR24.50 per share Parallel offering in Greece following dual listing on Euronext Athens

Shares owned after transaction 241,200 shares Direct common share holdings of co-CFO following the purchase

Net shares bought 15,000 shares Net buy activity reported in this Form 4

Key Terms

dual listing, parallel offering, offering price

3 terms

dual listing market

"following its dual listing on Euronext Athens"

A dual listing is when a company makes the same shares available on two different stock exchanges, often in different countries, so investors can buy and sell the same ownership stake in more than one market—like a shop opening branches in two cities that sell the same product. It matters to investors because it can widen the pool of buyers, make shares easier to trade, expose the stock to different currencies and rules, and create price differences or arbitrage opportunities that affect returns and risk.

parallel offering market

"Participation in the parallel offering undertaken by Star Bulk Carriers Corp."

offering price financial

"at the offering price of EUR24.50/share"

Offering price is the set price at which a company sells new shares or bonds to investors during a public or private sale. It matters to investors because it determines how much capital the issuer raises, how much ownership existing holders may lose, and the immediate value new investors pay—similar to a house’s listing price, which affects who buys it and how much the seller receives.

FAQ

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

What insider transaction did SBLK report for co-CFO Spyrou Symeon?

Co-CFO Spyrou Symeon purchased 15,000 common shares of Star Bulk Carriers on September 15, 2026, increasing his direct holdings to 241,200 shares.

At what price were the SBLK shares bought in this Form 4 filing?

The 15,000 Star Bulk Carriers shares were purchased at an offering price of EUR24.50 per share, described as equivalent to $28.27 per share.

How many SBLK shares does the co-CFO own after this transaction?

After the reported purchase, co-CFO Spyrou Symeon directly holds 241,200 common shares of Star Bulk Carriers Corp.

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

The filing indicates no Rule 10b5-1 trading plan for this transaction; the document-level checkbox for such a plan is explicitly unchecked.

What is the context of the SBLK insider’s share purchase?

The purchase reflects participation in a parallel offering in Greece undertaken by Star Bulk Carriers following its dual listing on Euronext Athens.

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

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Available on EDGAR 09/16/2026 - 11:45 AM Accepted by SEC EDGAR 09/16/2026 - 11:45 AM 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^*

Spyrou Symeon

(Last) (First) (Middle)

40, AG KONSTANTINOU

(Street)

MAROUSI 151254

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2026

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	09/15/2026		P		15,000	A	$28.27	241,200	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:

Remarks:

Participation in the parallel offering undertaken by Star Bulk Carriers Corp. in Greece, following its dual listing on Euronext Athens, pursuant to which subscribed to 15,000 new common shares at the offering price of EUR24.50/share (equivalent to $28.27/share).

	SYMEON SPYROU	09/16/2026
	** 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)