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 August 2026
Commission File Number: 001-41858
Okeanis Eco Tankers Corp.
(Translation of registrant’s name into English)
c/o OET
Chartering Inc., Ethnarchou Makariou Ave., & 2 D. Falireos St., 185 47 N. Faliro, Greece
(Address of principal executive office)
Indicate by check mark whether the registrant files
or will file annual reports under cover of Form 20-F or Form 40-F.
x
Form 20-F ¨ Form 40-F
INFORMATION CONTAINED IN THIS REPORT ON FORM 6-K
Attached to this report on
Form 6-K as Exhibit 99.1 is a copy of the press release published by Okeanis Eco Tankers Corp. on August 4, 2026, titled
“Okeanis Eco Tankers Corp. – 2025 ESG Report,” announcing the publication of the Company’s 5th Environmental,
Social and Governance Report (the “2025 ESG Report”) on the Company’s website. Information that is or will be
on or accessed through such website, including the 2025 ESG Report, does not constitute a part of, and is not incorporated by reference
into, this report on Form 6-K.
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.
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OKEANIS
ECO TANKERS CORP. |
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By: |
/s/ Iraklis Sbarounis |
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Name: |
Iraklis Sbarounis |
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Title: |
Chief Financial Officer |
Date: August 4, 2026
Exhibit 99.1
Okeanis Eco Tankers Corp. – 2025 ESG Report
ATHENS, GREECE, August 4, 2026 - Okeanis
Eco Tankers Corp. (“OET” or the “Company”) (NYSE: ECO / OSE: OET), announced today the publication
of its 5th Environmental, Social and Governance Report (the “2025 ESG Report”), which has been developed
in accordance with the Global Reporting Initiative (GRI 2021 Standards) and the Sustainability Accounting Standards Board (SASB) for Marine
Transportation.
The 2025
ESG Report is available on the Company’s website:
https://www.okeanisecotankers.com/en/sustainability
Contacts
Company:
Iraklis Sbarounis, CFO
Tel: +30 210 480 4200
ir@okeanisecotankers.com
Investor Relations / Media Contact:
Nicolas Bornozis, President
Capital Link, Inc.
230 Park Avenue, Suite 1540, New York, N.Y. 10169
Tel: +1 (212) 661-7566
okeanisecotankers@capitallink.com
About OET
OET is a leading international tanker company providing seaborne transportation
of crude oil and refined products. The Company was incorporated on April 30, 2018 under the laws of the Republic of the Marshall
Islands and is listed on Oslo Stock Exchange under the symbol OET and the New York Stock Exchange under the symbol ECO. The sailing fleet
consists of ten modern scrubber-fitted Suezmax tankers and eight modern scrubber-fitted VLCC tankers.
Forward Looking Statements
This communication
contains “forward-looking statements”, including as defined under U.S. federal securities laws. Forward-looking statements
provide the Company’s current expectations or forecasts of future events. Forward-looking statements include statements about the
Company’s expectations, beliefs, plans, objectives, intentions, assumptions and other statements that are not historical facts
or that are not present facts or conditions. Words or phrases such as “anticipate,” “believe,” “continue,”
“estimate,” “expect,” “hope,” “intend,” “may,” “ongoing,” “plan,”
“potential,” “predict,” “project,” “should,” “will” or similar words or phrases,
or the negatives of those words or phrases, may identify forward-looking statements, but the absence of these words does not necessarily
mean that a statement is not forward-looking. Forward-looking statements are subject to known and unknown risks and uncertainties and
are based on potentially inaccurate assumptions that could cause actual results to differ materially from those expected or implied by
the forward-looking statements. The Company’s actual results could differ materially from those anticipated in forward-looking
statements for many reasons, including as described in the Company’s filings with the U.S. Securities and Exchange Commission (the
“SEC”). Accordingly, you should not unduly rely on these forward-looking statements, which speak only as of the date of this
communication. Factors that could cause actual results to differ materially include, but are not limited to, the Company’s operating
or financial results; the Company’s liquidity, including its ability to service its indebtedness; competitive factors in the market
in which the Company operates; shipping industry trends, including charter rates, vessel values and factors affecting vessel supply and
demand; future, pending or recent acquisitions and dispositions, business strategy, areas of possible expansion or contraction, and expected
capital spending or operating expenses; risks associated with operations; broader market impacts arising from war (or threatened war)
or international hostilities; risks associated with pandemics, including effects on demand for oil and other products transported by
tankers and the transportation thereof; and other factors listed from time to time in the Company’s filings with the SEC. Except
to the extent required by law, the Company expressly disclaims any obligations or undertaking to release publicly any updates or revisions
to any forward-looking statements contained herein to reflect any change in the Company’s expectations with respect thereto or
any change in events, conditions, or circumstances on which any statement is based. You should, however, review the factors and risks
the Company describes in the reports it files and furnishes from time to time with the SEC, which can be obtained free of charge on the
SEC’s website at www.sec.gov.
This information is subject to the disclosure requirements pursuant
to Section 5-12 of the Norwegian Securities Trading Act.