Okeanis Eco Tankers director files Form 3 holdings

Okeanis Eco Tankers Corp. director Robert C. Knapp filed an initial ownership report showing indirect holdings of common stock.

Accepted by SEC EDGAR 03/18/2026 - 09:39 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Okeanis Eco Tankers Corp. director Robert C. Knapp filed an initial ownership report showing indirect holdings of common stock. The filing lists 40,000 shares of common stock held through his Individual Retirement Account and 110,000 shares held by Ironsides Energy LLC, both reported as indirect ownership positions.

Insider Trade Summary

Holdings reported, no transactions

Holdings

Insider KNAPP ROBERT C

Role Director

Type	Security	Shares	Price	Value
Holding	Shares of Common Stock, par value $0.001 per share	--	--	--
Holding	Shares of Common Stock, par value $0.001 per share	--	--	--

Holdings: Shares of Common Stock, par value $0.001 per share — 40,000 shares (Indirect, Represents shares held of record by the reporting person's Individual Retirement Account); Shares of Common Stock, par value $0.001 per share — 110,000 shares (Indirect, Held by Ironsides Energy LLC)

FAQ

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

What does Okeanis Eco Tankers (ECO) Form 3 for Robert C. Knapp report?

The Form 3 reports initial beneficial ownership of Okeanis Eco Tankers common stock by director Robert C. Knapp. It discloses indirect holdings through his Individual Retirement Account and Ironsides Energy LLC as of the reporting date.

How many Okeanis Eco Tankers (ECO) shares are in Robert C. Knapp’s IRA?

The filing shows 40,000 shares of Okeanis Eco Tankers common stock held through Robert C. Knapp’s Individual Retirement Account. These are reported as indirectly owned shares rather than directly held in his personal name.

What is Ironsides Energy LLC’s role in the Okeanis Eco Tankers (ECO) Form 3?

The Form 3 states that 110,000 shares of Okeanis Eco Tankers common stock are held by Ironsides Energy LLC. These shares are reported as indirectly owned by director Robert C. Knapp through that entity.

Does the Okeanis Eco Tankers (ECO) Form 3 show recent insider buying or selling?

The Form 3 is an initial ownership report and does not indicate recent insider buying or selling. It simply lists existing indirect holdings through an Individual Retirement Account and Ironsides Energy LLC as of the filing date.

Is Robert C. Knapp a director of Okeanis Eco Tankers (ECO) in this Form 3?

Yes, the filing identifies Robert C. Knapp as a director of Okeanis Eco Tankers Corp. Form 3 is required when an individual becomes a director, officer, or significant shareholder and must disclose their initial share ownership.

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
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hours per response:			0.5

1. Name and Address of Reporting Person^*

KNAPP ROBERT C

(Last) (First) (Middle)

ETHNARCHOU MAKARIOU AVE. & 2 D.

FALIREOS ST.

(Street)

N. FALIRO 185 47

(City) (State) (Zip)

UNITED STATES

(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)

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)
Shares of Common Stock, par value $0.001 per share	40,000	I	Represents shares held of record by the reporting person's Individual Retirement Account
Shares of Common Stock, par value $0.001 per share	110,000	I	Held by Ironsides Energy LLC

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 Robert Knapp 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)