# EDGAR Filing Document

**Accession Number:** 0001964954
**File Stem:** 0001104659-26-002482
**Filing Date:** 2026-1
**Character Count:** 6709
**Document Hash:** 942160bbf5494aa401d49a937b2b6329
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-002482.hdr.sgml**: 20260109

**ACCESSION NUMBER**: 0001104659-26-002482

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 3

**CONFORMED PERIOD OF REPORT**: 20260109

**FILED AS OF DATE**: 20260109

**DATE AS OF CHANGE**: 20260109

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Okeanis Eco Tankers Corp.
- **CENTRAL INDEX KEY:** 0001964954
- **STANDARD INDUSTRIAL CLASSIFICATION:** DEEP SEA FOREIGN TRANSPORTATION OF FREIGHT [4412]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000
- **STATE OF INCORPORATION:** 1T
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41858
- **FILM NUMBER:** 26523307

**BUSINESS ADDRESS:**
- **STREET 1:** ETHNARCHOU MAKARIOU AV, & 2 D. FALIREOS
- **STREET 2:** C/O OET CHARTERING INC.
- **CITY:** N. FALIRO
- **STATE:** J3
- **ZIP:** 185 47
- **BUSINESS PHONE:** 302104804087

**MAIL ADDRESS:**
- **STREET 1:** ETHNARCHOU MAKARIOU AV, & 2 D. FALIREOS
- **STREET 2:** C/O OET CHARTERING INC.
- **CITY:** N. FALIRO
- **STATE:** J3
- **ZIP:** 185 47

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<br> UNDER THE SECURITIES EXCHANGE ACT OF 1934**

**For the month of January 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:

**Form 20-F** ⌧ **Form 40-F** ◻

**INFORMATION CONTAINED IN THIS FORM 6-K REPORT**

Attached to this report on Form 6-K as [Exhibit 99.1](tm262813d1_ex99-1.htm) and [Exhibit 99.2](tm262813d1_ex99-2.htm) are copies of the mandatory notification of trade with respect to shares purchased by a person discharging managerial responsibilities, published by Okeanis Eco Tankers Corp. on January 9, 2026. This notification has been publicly disclosed in accordance with article 19 number 3 of Regulation EU 596/2014 (MAR) and section 5-12 of the Norwegian Securities Trading Act.

This Report and the exhibit(s) hereto are hereby incorporated by reference into the registrant's registration statements: (A) on Form F-3 ([File No. 333-287032](https://www.sec.gov/Archives/edgar/data/1964954/000110465925045552/tm2513689-1_f3.htm)), filed with the Securities and Exchange Commission on May 7, 2025 and declared effective on May 21, 2025 and (B) on Form F-3 ([File No. 333-287036](https://www.sec.gov/Archives/edgar/data/1964954/000110465925045561/tm2513689-2_f3.htm)), filed with the Securities and Exchange Commission on May 7, 2025 and declared effective on May 21, 2025.

**SIGNATURES**

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.

**Okeanis Eco Tankers Corp.**

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| | |
|:---|:---|
| By: | /s/ Iraklis Sbarounis |
| Name: | Iraklis Sbarounis |
| Title: | Chief Financial Officer |

---

Date: January 9, 2026

## Exhibit 99.1

**Exhibit 99.1**

**Okeanis Eco Tankers Corp.: Mandatory notification of trade**

ATHENS, GREECE, January 9, 2026 – Okeanis Eco Tankers Corp. (the "Company" or "OET" (NYSE:ECO / OSE:OET), has been notified of the following transaction:

On January 9, 2026, Hospitality Assets Corp., a company beneficially owned by Themistoklis Alafouzos, a person designated as a Primary Insider to the Company and brother of the Company's Chairman, sold 4,129 shares of the Company on OSE at a price of NOK 383.92 per share.

Following the transaction, Themistoklis Alafouzos indirectly through Hospitality Assets Corp. holds a total number of 6,641,934 shares in the Company, corresponding to approximately 18.74% of the shares and votes in the Company.

A Primary Insider notification is enclosed.

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 seven modern scrubber-fitted Suezmax tankers and eight modern scrubber-fitted VLCC tankers.

This information is subject to the disclosure requirements in the Market Abuse Regulation article 19 and section 5-12 of the Norwegian Securities Trading Act.

## Exhibit 99.2

**Exhibit 99.2**

**OKEANIS ECO TANKERS CORP.: MANDATORY NOTIFICATION OF TRADE**

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| | | |
|:---|:---|:---|
| **1** | **Details of the primary insider / person closely associated** | **Details of the primary insider / person closely associated** |
| a) | Name | Hospitality Assets Corp. |
| **2** | **Reason for the notification** | **Reason for the notification** |
| a) | Position/status | Legal person closely associated with Themistoklis Alafouzos, Advisor to Okeanis Eco Tankers Corp. |
| b) | Initial notification /Amendment | Initial notification |
| **3** | **Details of the issuer** | **Details of the issuer** |
| a) | Name | Okeanis Eco Tankers Corp. |
| b) | LEI | 213800U35RCYXTKVEM65 |
| **4.1** | **Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted** | **Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted** |
| a) | Description of the financial instrument, type of instrument and identification code | Common Shares<br>ISIN: MHY641771016 |
| b) | Nature of the transaction | Sale |

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c) Price(s) and volume(s) **Price(s) in NOK** **Volume(s)** 

383.9229 4,129

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| | | |
|:---|:---|:---|
| d) | Aggregated information |  |
|  | - Aggregated volume | 4,129 shares |
|  | - Price | NOK 383.9229 |
|  | - Total value | NOK 1,585,217.65 |
| e) | Date of the transaction | 2026-01-09 |
| f) | Place of the transaction | Oslo Børs (XOSL) |

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