# EDGAR Filing Document

**Accession Number:** 0001964954
**File Stem:** 0001104659-26-029773
**Filing Date:** 2026-3
**Character Count:** 12138
**Document Hash:** 71673d31a55e4f03f0bb14b1aeaa9443
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-029773.hdr.sgml**: 20260318

**ACCESSION NUMBER**: 0001104659-26-029773

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G/A

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260318

**DATE AS OF CHANGE**: 20260318

**SUBJECT COMPANY**: 

**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:** SCHEDULE 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-94266
- **FILM NUMBER:** 26764713

**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
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Hospitality Assets Corp.
- **CENTRAL INDEX KEY:** 0001998881

**ORGANIZATION NAME:**
- **EIN:** 000000000

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A

**BUSINESS ADDRESS:**
- **STREET 1:** ETHNARCHOU MAKARIOU AV & 2D. FALIREOS ST
- **STREET 2:** N. FALIRO
- **CITY:** N. FALIRO
- **STATE:** J3
- **ZIP:** 185 47
- **BUSINESS PHONE:** 30 210 480 4270

**MAIL ADDRESS:**
- **STREET 1:** ETHNARCHOU MAKARIOU AV & 2D. FALIREOS ST
- **STREET 2:** N. FALIRO
- **CITY:** N. FALIRO
- **STATE:** J3
- **ZIP:** 185 47

## Ex-99.(A)

<u>Exhibit A</u>

<u>JOINT FILING AGREEMENT</u>

In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a statement on Schedule 13G or, to the extent required by applicable law, Schedule 13D with respect to the common shares of Okeanis Eco Tankers Corp., beneficially owned by them, and further agree that this Joint Filing Agreement shall be included as an Exhibit to such joint filing. The undersigned further agree that any amendments to such statement on Schedule 13G or, if applicable, Schedule 13D shall be filed jointly on behalf of each of them without the necessity of entering into additional joint filing agreements.

The undersigned further agree that each party hereto is responsible for timely filing of such statement on Schedule 13G or, to the extent required by applicable law, Schedule 13D and any amendments thereto, and for the completeness and accuracy of the information concerning such party contained therein; provided that no party is responsible for the completeness or accuracy of the information concerning any other party, unless such party knows or has reason to believe that such information is inaccurate.

The undersigned shall not be deemed to admit that the undersigned was required to file a statement on Schedule 13G or Schedule 13D by reason of entering into this Joint Filing Agreement.

This Joint Filing Agreement may be executed in one or more counterparts, each of which shall be deemed to be an original instrument, but all of such counterparts together shall constitute but one agreement.

In evidence thereof the undersigned, being duly authorized, hereby execute this Joint Filing Agreement as of this 18th day of March, 2026.

---

| |
|:---|
| /s/ Themistoklis Alafouzos |
| Themistoklis Alafouzos |
| HOSPITALITY ASSETS CORP. |
| By: /s/ Antonios Kyrou |
| Name: Antonios Kyrou |
| Title: Secretary |

---

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**(Amendment No. 2)**

**Issuer:** OKEANIS ECO TANKERS CORP.

**Title of Class of Securities:** Common Shares, par value $0.001 per share

**CUSIP Number:** —

**Date of Event Which Requires Filing of this Statement:** 03/18/2026

**Check the appropriate box to designate the rule pursuant to which this Schedule is filed:**

- [ ] Rule 13d-1(b)

- [ ] Rule 13d-1(c)

- [x] Rule 13d-1(d)

---

| 1. | Names of Reporting Persons<br>Hospitality Assets Corp. | Names of Reporting Persons<br>Hospitality Assets Corp. |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>1T | Citizenship or Place of Organization<br>1T |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>6641934.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>6641934.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>6641934.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>6641934.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>17.0% | Percent of Class Represented by Amount in Row (9)<br>17.0% |
| 12. | Type of Reporting Person (See Instructions)<br>CO | Type of Reporting Person (See Instructions)<br>CO |

**Comment for Type of Reporting Person:** Row 11 - Percentage calculations based on 39,044,655 common shares outstanding, which number of shares does not include any treasury shares held by the issuer, as reflected in the issuer's Form 6-K filed with the Securities and Exchange Commission on January 23, 2026.

---

| 1. | Names of Reporting Persons<br>Themistoklis Alafouzos | Names of Reporting Persons<br>Themistoklis Alafouzos |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>J3 | Citizenship or Place of Organization<br>J3 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>6641934.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>6641934.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>6641934.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>6641934.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>17.0% | Percent of Class Represented by Amount in Row (9)<br>17.0% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

**Comment for Type of Reporting Person:** Row 6, 8, 9 - Mr. Alafouzos may be deemed to beneficially own common shares through Hospitality Assets Corp., an entity controlled by Mr. Alafouzos. Mr. Alafouzos disclaims beneficial ownership in the common shares reported herein except to the extent of his pecuniary interest therein.

Row 11 - Percentage calculations based on 39,044,655 common shares outstanding, which number of shares does not include any treasury shares held by the issuer, as reflected in the issuer's Form 6-K filed with the Securities and Exchange Commission on January 23, 2026.

---

**Item 1(a). Name of Issuer:**
OKEANIS ECO TANKERS CORP.

**Item 1(b). Address of Issuer's Principal Executive Offices:**
c/o OET Chartering Inc., Ethnarchou Makariou Ave., & 2 D. Falireos St., N. Faliro, J3 185 47

**Item 2(a). Name of Person Filing:**
Hospitality Assets Corp. ("Hospitality")
Themistoklis Alafouzos ("Mr. Alafouzos" and together with Hospitality, the "Reporting Persons")

**Item 2(b). Address of Principal Business Office:**
The principal business office of each Reporting Person is:
Ethnarchou Makariou Ave., & 2 D. Falireos St.
185 47 N. Faliro, Greece

**Item 2(c). Citizenship:**
Hospitality is a Marshall Islands corporation.
Mr. Alafouzos is a Greek citizen.

**Item 2(d). Title of Class of Securities:**
Common Shares, par value $0.001 per share

**Item 2(e). CUSIP Number:**
—

**Item 3. If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:**

(a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e) [ ] An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g) [ ] A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j) [ ] A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), if filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

(k) [ ] Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

**Item 4. Ownership:**

**(a) Amount beneficially owned:**

Mr. Alafouzos: 6,641,934
Hospitality: 6,641,934

**(b) Percent of class:**

Mr. Alafouzos: 17.0%
Hospitality: 17.0%

**(c) Number of shares as to which the person has:**

**(i) Sole power to vote or to direct the vote:**

Mr. Alafouzos: 0
Hospitality: 0

**(ii) Shared power to vote or to direct the vote:**

Mr. Alafouzos: 6,641,934
Hospitality: 6,641,934

**(iii) Sole power to dispose or to direct the disposition of:**

Mr. Alafouzos: 0
Hospitality: 0

**(iv) Shared power to dispose or to direct the disposition of:**

Mr. Alafouzos: 6,641,934
Hospitality: 6,641,934

**Item 5. Ownership of Five Percent or Less of a Class.**

[x] If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following.

**Item 6. Ownership of More than 5 Percent on Behalf of Another Person.**

Not Applicable

**Item 7. Identification and Classification of the Subsidiary**

Not Applicable

**Item 8. Identification and Classification of Members of the Group**

Not Applicable

**Item 9. Notice of Dissolution of Group**

Not Applicable

**Item 10. Certification:**

—

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Hospitality Assets Corp.**

**Date:** 03/18/2026

**By:** /s/ Antonios Kyrou

**Name & Title:** Antonios Kyrou/Secretary

**Themistoklis Alafouzos**

**Date:** 03/18/2026

**By:** /s/ Themistoklis Alafouzos

**Name & Title:** Themistoklis Alafouzos