Star Bulk lists 116M shares on Euronext Athens

Star Bulk Carriers Corp. designates Greece as its home member state and confirms 116,071,386 total voting rights after parallel listing on Euronext Athens.

Rhea-AI Filing Summary

Star Bulk Carriers Corp. (SBLK) reports that, for the purposes of Greek Law 3556/2007, its home member state is Greece and the Hellenic Capital Market Commission is the competent supervisory authority. The company has also completed the parallel listing and admission of 116,071,386 common shares, par value $0.01 each, on the Main Market of the Regulated Securities Market of Euronext Athens.

As of September 16, 2026, immediately after this admission, Star Bulk Carriers Corp. has 116,071,386 common shares in circulation, each carrying 1 voting right, for a total of 116,071,386 voting rights. This total voting-rights figure is to be used by shareholders as the denominator when assessing disclosure obligations under Greek Law 3556/2007.

Filing Explained

The September 16 Form 6-K identifies Greece as Star Bulk Carriers Corp.’s home member state and the Hellenic Capital Market Commission as the supervisory authority for disclosures under Greek Law 3556/2007, establishing the applicable transparency-reporting jurisdiction.

Key Figures

Common shares in circulation: 116,071,386 shares Par value per common share: $0.01 per share Voting rights per share: 1 voting right per share +2 more

5 metrics

Common shares in circulation 116,071,386 shares As of September 16, 2026, immediately after admission on Euronext Athens

Par value per common share $0.01 per share Common, dematerialized, registered, voting shares of Star Bulk Carriers Corp.

Voting rights per share 1 voting right per share Each common share carries one voting right

Total voting rights 116,071,386 voting rights As of September 16, 2026, immediately after admission on Euronext Athens

Home member state designation date September 16, 2026 Date of announcement that Greece is the home member state under Greek Law 3556/2007

Key Terms

home member state, Hellenic Capital Market Commission, Regulated Securities Market, total voting rights, +2 more

6 terms

home member state regulatory

"announces ... that its home member state, for the purposes of Greek Law 3556/2007"

The home member state is the country within a multi-country union where a regulated company is officially authorized and primarily supervised by local regulators. For investors, it matters because that state’s rules, oversight and legal protections determine how the company is allowed to operate and how disputes, disclosures and enforcement are handled—think of it as the company’s legal 'home base' that sets the ground rules investors rely on.

Hellenic Capital Market Commission regulatory

"the Hellenic Capital Market Commission is the competent supervisory authority"

Regulated Securities Market regulatory

"on the Main Market of the Regulated Securities Market of Euronext Athens"

A regulated securities market is a trading venue—such as a stock exchange or an electronic platform—where buying and selling of stocks, bonds and other investment instruments is overseen by government or independent regulators enforcing rules on transparency, fairness and record‑keeping. It matters to investors because those rules reduce the chance of fraud, ensure prices reflect real supply and demand, and make it easier to buy or sell holdings—like shopping in a market with price tags and consumer protections.

total voting rights financial

"Therefore, the total voting rights are 116,071,386."

The total voting rights number is the count of shares that carry the right to vote at a company’s shareholder meetings, reflecting how much voting power exists in the market. Investors use it to understand control and influence—like knowing how many votes are in play when measuring ownership stakes, calculating a shareholder’s voting percentage, or assessing how easy it would be for a holder to sway decisions.

Greek law 3556/2007 regulatory

"in accordance with the provisions of Greek law 3556/2007, as in force"

Directive 2004/109/ regulatory

"under Greek law 3556/2007, transposing Directive 2004/109/ of the European Parliament"

FAQ

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

What home member state did Star Bulk Carriers Corp. (SBLK) designate?

Star Bulk Carriers Corp. designated Greece as its home member state for the purposes of Greek Law 3556/2007, with the Hellenic Capital Market Commission acting as the competent supervisory authority overseeing its transparency and reporting obligations.

How many Star Bulk (SBLK) shares are listed after the Euronext Athens admission?

Following the parallel listing and admission on Euronext Athens, Star Bulk Carriers Corp. has 116,071,386 common shares in circulation, each with a par value of $0.01. These are common, dematerialized, registered, voting shares admitted to the Main Market of the Regulated Securities Market.

What are the total voting rights of Star Bulk Carriers Corp. (SBLK)?

As of September 16, 2026, Star Bulk Carriers Corp. has 116,071,386 total voting rights. Each of the 116,071,386 common shares carries 1 voting right, so the total number of voting rights equals the total number of shares in circulation.

How should SBLK shareholders use the voting-rights figure for disclosures?

Shareholders of Star Bulk Carriers Corp. should use the figure of 116,071,386 total voting rights as the denominator to determine whether they must notify their interest or any changes in their interest under Greek Law 3556/2007, which transposes Directive 2004/109/EC.

On which market are Star Bulk (SBLK) shares admitted in Greece?

Star Bulk Carriers Corp.’s common shares are admitted to trading on the Main Market of the Regulated Securities Market of Euronext Athens following a parallel listing and admission of 116,071,386 common, dematerialized, registered, voting shares.

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

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of September 2026

Commission File Number: 001-33869

STAR BULK CARRIERS CORP.

(Translation of registrant’s name into English)

Star Bulk Carriers Corp.

c/o Star Bulk Management Inc.

40 Agiou Konstantinou Street,

15124 Maroussi,

Athens, Greece

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒ Form 40-F ☐

INFORMATION CONTAINED IN THIS FORM 6-K REPORT

Attached as Exhibit 99.1 to this Form 6-K is a copy of the press release of Star Bulk Carriers Corp. (the “Company”) announcing Greece as its home member state and the Hellenic Capital Market Commission as the competent supervisory authority for the purposes of Greek law 3556/2007 (“Press Release 1”), which was issued on September 16, 2026.

Attached as Exhibit 99.2 to this Form 6-K is a copy of the press release of the Company relating to the total voting rights of the Company after the parallel listing and admission of new common, dematerialized registered, voting shares of the Company, par value $0.01 each, on the Main Market of the Regulated Securities Market of Euronext Athens (“Press Release 2”), which was issued on September 16, 2026.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Dated: September 16, 2026

	STAR BULK CARRIERS CORP.
	By:	/s/ Simos Spyrou
		Name:	Simos Spyrou
		Title:	Co-Chief Financial Officer

Exhibit Number		Description
99.1		Press Release 1 dated September 16, 2026.
99.2		Press Release 2 dated September 16, 2026

Exhibit 99.1

 

STAR BULK CARRIERS CORP.

ANNOUNCEMENT OF HOME MEMBER STATE

The company under the corporate name “Star Bulk Carriers Corp.” announces, in accordance with the provisions of Greek law 3556/2007, as in force, that its home member state, for the purposes of Greek Law 3556/2007, is Greece and the Hellenic Capital Market Commission is the competent supervisory authority.

Investors interested in further information and clarifications may contact, on business days and hours, the Company’s executive offices in Maroussi Attica, Greece (c/o Star Bulk Management Inc., 40, Agiou Konstantinou Str., Maroussi 151 24, Attica, Greece), tel.: (+30) 210 6178 400, contact: IR Officers: Stefanos Spanos, Evelyn Kolintza Τ: 210 6178 099 E-mail:ir@starbulk.com.

Wednesday, 16 September 2026

STAR BULK CARRIERS CORP.

***

Exhibit 99.2

 

STAR BULK CARRIERS CORP.

ANNOUNCEMENT OF TOTAL VOTING RIGHTS

Following the parallel listing and admission of the totality of 116,071,386 common, dematerialized, registered, voting shares, of a par value $0.01 each issued by Star Bulk Carriers Corp. (the “Company” and the “Common Shares”, respectively) on the Main Market of the Regulated Securities Market of Euronext Athens (the “Admission”), the Company notifies the market of the following:

As at 16 September 2026, immediately after Admission, the issued share capital and voting rights of the Company are as follows:

Class of share	Total number of shares in circulation	Number of voting rights attached to each share	Total number of voting rights of shares in circulation
Common Shares ($0.01)	116,071,386	1	116,071,386

Therefore, the total voting rights are 116,071,386. This figure may be used by shareholders as the denominator for the calculations by which they should determine whether they are required to notify their interest in, or a change to their interest in, the Company under Greek law 3556/2007, transposing Directive 2004/109/EC of the European Parliament and of the Council of 15 December 2004 on the harmonization of transparency requirements in relation to information about issuers whose securities are admitted to trading on a regulated market.

This announcement is made in accordance with article 9 par. 5 of Greek law 3556/2007.

Investors interested in further information and clarifications may contact, on business days and hours, the Company’s executive offices in Maroussi Attica, Greece (c/o Star Bulk Management Inc., 40 Agiou Konstantinou Str., Maroussi 151 24, Attica, Greece), tel.: (+30) 210 6178 400, contact: IR Officers: Stefanos Spanos, Evelyn Kolintza Τ: 210 6178 099 E-mail:ir@starbulk.com.

Wednesday, 16 September 2026

STAR BULK CARRIERS CORP.

***

Filing Exhibits & Attachments

2 documents

Press Releases

• EX-99 PRESS RELEASE 2.6 KB
• EX-99 PRESS RELEASE 6.1 KB