Costamare Bulkers (CMDB) director reports 800-share insider stake

Rhea-AI Filing Summary

Costamare Bulkers Holdings Ltd director Katerina Eleftheriou has filed an initial insider ownership report. The Form 3 shows she directly holds 800 shares of the company’s common stock, par value $0.0001 per share.

The filing records her existing position and does not list any specific purchase or sale transactions.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Eleftheriou Katerina

Role Director

Type	Security	Shares	Price	Value
holding	Common Stock, par value $0.0001 per share	--	--	--

Holdings After Transaction: Common Stock, par value $0.0001 per share — 800 shares (Direct)

Footnotes (1)

Understanding Insider Trading Forms →

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

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1. Name and Address of Reporting Person^*

Eleftheriou Katerina

(Last) (First) (Middle)

60 ZEPHYROU STREET & SYNGROU AVENUE

(Street)

ATHENS 17564

(City) (State) (Zip)

GREECE

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Costamare Bulkers Holdings Ltd [ CMDB ]

3a. Foreign Trading Symbol

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

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

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

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 Stock, par value $0.0001 per share	800	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:

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Anastasios Gabrielides, by power of attorney	03/18/2026
	** 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.
* Form 3: SEC 1473 (03-26)

FAQ

What does Katerina Eleftheriou’s Form 3 for CMDB report?

The Form 3 reports that director Katerina Eleftheriou beneficially owns 800 shares of Costamare Bulkers Holdings Ltd common stock. It is an initial statement of her holdings and does not detail any recent purchases, sales, or option exercises in the company’s shares.

How many Costamare Bulkers (CMDB) shares does Katerina Eleftheriou hold?

Katerina Eleftheriou is reported as directly holding 800 shares of Costamare Bulkers Holdings Ltd common stock. This figure reflects her ownership position following the reported holdings entry and is the only specific share amount disclosed for her in this insider ownership statement.

Does the CMDB Form 3 for Katerina Eleftheriou show any recent insider buying or selling?

The Form 3 does not show any explicit insider buying or selling by Katerina Eleftheriou. It records a holdings entry with 800 shares owned directly, and the transaction summary classifies the activity as unknown direction with no net shares bought or sold.

Is Katerina Eleftheriou’s CMDB share ownership direct or indirect?

The filing classifies Katerina Eleftheriou’s 800-share position as direct ownership. The ownership code is listed as “D” for direct, and there is no nature-of-ownership note indicating that the shares are held through a trust, partnership, or other indirect holding structure.

What type of security does Katerina Eleftheriou hold in Costamare Bulkers (CMDB)?

She holds Costamare Bulkers Holdings Ltd common stock with a par value of $0.0001 per share. The Form 3 lists this common stock as the only reported security, and there are no derivative securities or option positions disclosed for her in the filing.