# EDGAR Filing Document

**Accession Number:** 0001341170
**File Stem:** 0002122308-26-000001
**Filing Date:** 2026-3
**Character Count:** 4357
**Document Hash:** 658270c32af9083578dc05d0e6785311
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002122308-26-000001.hdr.sgml**: 20260318

**ACCESSION NUMBER**: 0002122308-26-000001

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260318

**FILED AS OF DATE**: 20260318

**DATE AS OF CHANGE**: 20260318

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Kyriakopoulos Panagiotis
- **CENTRAL INDEX KEY:** 0002122308

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-33283
- **FILM NUMBER:** 26771174

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 4 MESSOGEIOU & EVROPIS STREET
- **CITY:** MAROUSSI
- **PROVINCE COUNTRY:** J3
- **ZIP:** 151 24
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** EUROSEAS LTD.
- **CENTRAL INDEX KEY:** 0001341170
- **STANDARD INDUSTRIAL CLASSIFICATION:** DEEP SEA FOREIGN TRANSPORTATION OF FREIGHT [4412]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000

**BUSINESS ADDRESS:**
- **STREET 1:** 4 MESSOGIOU & EVROPIS STREET
- **CITY:** 151 25 MAROUSSI
- **STATE:** J3
- **ZIP:** 00000
- **BUSINESS PHONE:** 011 30 210 6105110

**MAIL ADDRESS:**
- **STREET 1:** 4 MESSOGIOU & EVROPIS STREET
- **CITY:** 151 25 MAROUSSI
- **STATE:** J3
- **ZIP:** 00000

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

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Kyriakopoulos Panagiotis<br><sub>(Last) (First) (Middle)</sub><br>4 MESSOGEIOU & EVROPIS STREET<br><sub>(Street)</sub><br>MAROUSSI,  151 24<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>EUROSEAS LTD. [ ESEA ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-03-18 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director   [ ] 10% Owner<br>[ ] Officer (give title below)   [ ] Other (specify below)<br>_ _ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| Common stock<sup>(1)</sup> | 14500 | D |  |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) Includes 2,100 of unvested incentive stock awards, of which 700 will vest on  July 1, 2026, 700 shares will vest on November 13, 2026 and 700 shares will vest  on July 1, 2027.

**Signature:** Panagiotis Kyriakopoulos  
**Date:** 2026-03-18

### Remarks:

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 4 (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.**