Okeanis Eco Tankers (ECO) CEO details direct and indirect holdings

Rhea-AI Filing Summary

Okeanis Eco Tankers Corp. Chief Executive Officer Aristidis Ioannis Alafouzos has filed an initial Form 3 reporting his ownership in the company. He reports 27,800 shares of common stock held directly and 52,000 shares held indirectly through Athinais Maritime Corp., reflecting his current equity stake as an insider.

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^*

Alafouzos Aristidis Ioannis

(Last) (First) (Middle)

ETHNARCHOU MAKARIOU AVE. & 2 D.

FALIREOS ST.

(Street)

N. FALIRO 185 47

(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
Okeanis Eco Tankers Corp. [ ECO ]

3a. Foreign Trading Symbol
[OET]

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

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

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

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)
Shares of Common Stock, par value $0.001 per share	27,800	D
Shares of Common Stock, par value $0.001 per share	52,000	I	Held by Athinais Maritime Corp.

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 List: 24: Power of Attorney of Aristidis Ioannis Alafouzos dated March 11, 2026

	/s/ Irene Chaidemenou, Attorney-in-Fact, pursuant to power of attorney attached hereto	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 the Okeanis Eco (ECO) CEO report on this Form 3?

The filing shows the CEO’s initial share ownership in Okeanis Eco Tankers. He reports 27,800 common shares held directly and 52,000 shares held indirectly through Athinais Maritime Corp., establishing his disclosed equity stake as an insider.

How many Okeanis Eco (ECO) shares does the CEO hold directly and indirectly?

He reports directly holding 27,800 shares of common stock and indirectly holding 52,000 shares via Athinais Maritime Corp. Together, these positions outline his reported ownership across personal and related-entity holdings in the company’s common equity.

Does this Okeanis Eco (ECO) Form 3 show any recent insider buying or selling?

No specific purchases or sales are reported; the entry is classified as holdings with an unknown transaction code. The Form 3 serves to disclose the CEO’s existing direct and indirect share ownership when he became a reporting insider.

What is Athinais Maritime Corp.’s role in the Okeanis Eco (ECO) CEO’s holdings?

The CEO reports 52,000 Okeanis Eco Tankers shares held indirectly through Athinais Maritime Corp. This means a portion of his beneficial ownership is attributed to shares registered to that entity rather than to him personally as a direct shareholder.

Why is this Okeanis Eco (ECO) Form 3 important for investors?

Form 3 provides a baseline of the CEO’s reported ownership when he becomes subject to insider reporting. Knowing he holds 27,800 shares directly and 52,000 indirectly helps investors understand his disclosed financial alignment with the company’s common stock performance.