Star Bulk CSO reports 76,728 SBLK shares

Star Bulk Carriers Corp. executive Charis Plakantonaki, the Chief Strategy Officer, filed an initial ownership report showing a direct holding of 76,728 common shares.

Accepted by SEC EDGAR 03/16/2026 - 11:05 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Star Bulk Carriers Corp. executive Charis Plakantonaki, the Chief Strategy Officer, filed an initial ownership report showing a direct holding of 76,728 common shares. This Form 3 does not record a new purchase or sale, but establishes the officer’s existing equity stake in the company.

Insider Trade Summary

Holdings reported, no transactions

Holdings

Insider Plakantonaki Charis

Role Chief Strategy Officer

Type	Security	Shares	Price	Value
Holding	Common shares par value $ 0.01 per share	--	--	--

Holdings: Common shares par value $ 0.01 per share — 76,728 shares (Direct)

FAQ

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

What does Charis Plakantonaki’s Form 3 for SBLK report?

The Form 3 reports Charis Plakantonaki’s existing ownership of 76,728 common shares of Star Bulk Carriers Corp. It is an initial statement of holdings, not a record of a new stock purchase or sale.

How many Star Bulk Carriers (SBLK) shares does the CSO hold?

Chief Strategy Officer Charis Plakantonaki holds 76,728 common shares of Star Bulk Carriers Corp. These shares are reported as directly owned and reflect the officer’s current equity position as disclosed in the Form 3 filing.

Does the SBLK Form 3 show Charis Plakantonaki buying or selling shares?

No, the Form 3 for Charis Plakantonaki does not show a buy or sell transaction. It simply discloses an existing direct holding of 76,728 common shares, serving as an initial ownership statement for regulatory purposes.

What type of security does Charis Plakantonaki report in SBLK?

The filing reports ownership of common shares of Star Bulk Carriers Corp., each with a par value of $0.01 per share. The total directly held position is 76,728 shares according to the disclosed ownership table.

Is Charis Plakantonaki’s ownership in Star Bulk Carriers direct or indirect?

The Form 3 indicates that Charis Plakantonaki’s 76,728 Star Bulk Carriers common shares are held with direct ownership. The filing does not list any indirect holdings through entities, trusts, or other intermediaries in this disclosure.

What role does Charis Plakantonaki hold at Star Bulk Carriers (SBLK)?

Charis Plakantonaki serves as Chief Strategy Officer at Star Bulk Carriers Corp. The Form 3 links this executive role with a reported direct ownership of 76,728 common shares in the company’s equity.

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

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SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Plakantonaki Charis

(Last) (First) (Middle)

57 PANAGIOTOU ANAGNOSTOPOULOU

(Street)

ATHENS J3 10672

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/16/2026

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

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

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

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

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

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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common shares par value $ 0.01 per share	76,728	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	Charis Plakantonaki	03/16/2026
	** 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 5 (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.