ESEA / Euroseas Ltd. - Depositi SEC, Relazione annuale, dichiarazione di delega

Euroseas Ltd.
US ˙ NasdaqCM ˙ MHY235921357

Statistiche di base
LEI 213800ADWWZOFC9KU444
CIK 1341170
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Euroseas Ltd.
SEC Filings (Chronological Order)
Questa pagina fornisce un elenco completo e cronologico dei depositi SEC, esclusi i documenti di proprietà che forniamo altrove.
August 25, 2025 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-33283

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

August 13, 2025 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-33283

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

July 25, 2025 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-33283 EU

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

July 2, 2025 EX-2

EX-2

Exhibit 2

July 2, 2025 EX-4

EX-4

Exhibit 4

July 2, 2025 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-33283 EU

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

July 2, 2025 EX-1

Euroseas Ltd. Announces Annual Meeting of Shareholders

Exhibit 1 Euroseas Ltd. Announces Annual Meeting of Shareholders Athens, Greece – July 2, 2025 – Euroseas Ltd. (NASDAQ: ESEA), an owner and operator of container carrier vessels and provider of seaborne transportation for containerized cargoes, announced today that its Board of Directors has called an annual meeting of the shareholders to be held on July 23, 2025, at 11:00 a.m. at the offices of S

July 2, 2025 EX-3

EX-3

Exhibit 3

June 20, 2025 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-33283 EU

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

June 4, 2025 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-33283 EU

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

May 29, 2025 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-33283 EUR

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive office

May 15, 2025 EX-4.39

DATED May 3 2024 STEPHANIA SHIPPING LTD MONICA SHIPOWNERS LTD NATIONAL BANK OF FUJAIRAH PJSC USD 45,000,000 SECURED LOAN AGREEMENT in connection with m.v. "MONICA" and m.v. "STEPHANIA K"

Exhibit 4.39 DATED May 3 2024 STEPHANIA SHIPPING LTD and MONICA SHIPOWNERS LTD and NATIONAL BANK OF FUJAIRAH PJSC USD 45,000,000 SECURED LOAN AGREEMENT in connection with m.v. "MONICA" and m.v. "STEPHANIA K" CONTENTS 1. DEFINITIONS AND INTERPRETATION 1 2. THE LOAN 17 3. PURPOSE 17 4. CONDITIONS OF UTILISATION 17 5. ADVANCE 18 6. REPAYMENT 19 7. INTEREST 22 8. INTEREST PERIODS 23 9. CHANGES TO THE

May 15, 2025 EX-4.40

DATED 11 July 2024 PEPI SHIPPING LTD - and – PIRAEUS BANK S.A. FACILITY AGREEMENT in respect of a loan of up to USD20,400,000

EXHIBIT 4.40 DATED 11 July 2024 PEPI SHIPPING LTD (1) - and – PIRAEUS BANK S.A. (2) FACILITY AGREEMENT in respect of a loan of up to USD20,400,000 Index Clause Page 1 Purpose, definitions and construction 3 2 The Commitment and cancellation 18 3 Interest and Interest Periods 20 4 Repayment and prepayment 24 5 Fees and expenses 26 6 Payments and taxes; accounts and calculations 27 7 Representations

May 15, 2025 EX-12.2

CERTIFICATION OF THE PRINCIPAL FINANCIAL OFFICER

EXHIBIT 12.2 CERTIFICATION OF THE PRINCIPAL FINANCIAL OFFICER I, Anastasios Aslidis, certify that: 1. I have reviewed this annual report on Form 20-F of Euroseas Ltd. (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such st

May 15, 2025 EX-12.1

CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER

EXHIBIT 12.1 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER I, Aristides J. Pittas, certify that: 1. I have reviewed this annual report on Form 20-F of Euroseas Ltd. (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such s

May 15, 2025 EX-4.41

DATED: 16th DECEMBER 2024 SYMEON SHIPPING LTD (THE “BORROWER”) THE BANKS AND FINANCIAL INSTITUTIONS LISTED IN SCHEDULE I (THE “LENDERS”) EUROBANK S.A. (THE “ARRANGER”) EUROBANK S.A. (THE “ACCOUNT BANK”) EUROBANK S.A. (THE “AGENT”) EUROBANK S.A. (THE

EXHIBIT 4.41 DATED: 16th DECEMBER 2024 SYMEON SHIPPING LTD (THE “BORROWER”) -AND- THE BANKS AND FINANCIAL INSTITUTIONS LISTED IN SCHEDULE I (THE “LENDERS”) EUROBANK S.A. (THE “ARRANGER”) EUROBANK S.A. (THE “ACCOUNT BANK”) EUROBANK S.A. (THE “AGENT”) EUROBANK S.A. (THE “SECURITY TRUSTEE”) EUROBANK S.A. (THE “SWAP BANK”) LOAN AGREEMENT No. (503) FOR A SENIOR SECURED TERM LOAN FACILITY OF US$26,000,0

May 15, 2025 EX-15.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement Nos. 333-268708 and 333-269066 on Form F-3 of our reports dated May 15, 2025, relating to the consolidated financial statements of Euroseas Ltd. and the effectiveness of Euroseas Ltd.’s internal control over financial reporting appearing in the Annual Report

May 15, 2025 EX-4.38

TERM SHEET SALE AND LEASEBACK OF 2,800 TEU CV “HULL 4236" May 1 st 2023

EXHIBIT 4.38 TERM SHEET SALE AND LEASEBACK OF 2,800 TEU CV “HULL 4236" May 1 st 2023 Vessel: 2,800 TEU CV built 1st Quarter 2024 (ΙΜΟ 9963516) Seller/Charterer: Euroseas Ltd. or its guaranteed nominee Buyer/Owner: Fuji lron Works Co.,Ltd.(Japan) and Yassan. SJ. Shipping, S.A.(Panama) 99% and 1 % respectively. Bank: The San-in Godo Bank., Ltd. Net Financed Amount: USD 27,000,000.00 Arrangement Fee:

May 15, 2025 EX-11.1

Insider Trading Policy

Exhibit 11.1 Insider Trading Policy We are subject to a number of laws concerning the purchase of the Company’s shares and other publicly traded securities. Company policy prohibits Employees and their family members from trading securities while in possession of material, non-pubic information relating to the Company or any other company, including a customer or a supplier that has a significant

May 15, 2025 EX-13.1

CHIEF EXECUTIVE OFFICER CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350

EXHIBIT 13.1 CHIEF EXECUTIVE OFFICER CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 In connection with this Annual Report of Euroseas Ltd. (the “Company”) on Form 20-F for the year ended December 31, 2024 as filed with the Securities and Exchange Commission (the “SEC”) on or about the date hereof (the “Report”), I, Aristides J. Pittas, Chief Executive Officer of the Company, certify, pursuant to

May 15, 2025 EX-13.2

CHIEF FINANCIAL OFFICER CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350

EXHIBIT 13.2 CHIEF FINANCIAL OFFICER CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 In connection with the Annual Report of Euroseas Ltd. (the “Company”) on Form 20-F for the year ended December 31, 2024 as filed with the Securities and Exchange Commission (the “SEC”) on or about the date hereof (the “Report”), I, Anastasios Aslidis, Chief Financial Officer of the Company, certify, pursuant to 1

May 15, 2025 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requiring this shell company report For the transition period from to Commission file number 001-33283 EUROSEAS LTD.

May 15, 2025 EX-4.37

Dated 18 April 2024 Up to US$22,000,000 TERM LOAN FACILITY LEONIDAS SHIPPING LTD as Borrower EUROSEAS LTD as Guarantor FIRST-CITIZENS BANK & TRUST COMPANY as Facility Agent FIRST-CITIZENS BANK & TRUST COMPANY as Security Agent FACILITY AGREEMENT rela

Exhibit 4.37 Dated 18 April 2024 Up to US$22,000,000 TERM LOAN FACILITY LEONIDAS SHIPPING LTD as Borrower EUROSEAS LTD as Guarantor FIRST-CITIZENS BANK & TRUST COMPANY as Facility Agent and FIRST-CITIZENS BANK & TRUST COMPANY as Security Agent FACILITY AGREEMENT relating to the financing of part of the acquisition cost of hull no. 4237 (tbn "LEONIDAS Z") THIS AGREEMENT IS MADE ON 18 APRIL 2024 PAR

April 30, 2025 NT 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☐ Form 10-K ☐ Form N-CSR ☒ Form 20-F ☐ Form 11-K ☐ Form 10-Q ☐ Form 10-D ☐ Form N-CEN For Period Ended: December 31, 2024 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q For the Transition Pe

April 8, 2025 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File Number: 001-33283 E

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offi

March 19, 2025 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Commission File Number: 001-33283 E

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offi

March 6, 2025 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Commission File Number: 001-33283 E

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offi

February 27, 2025 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-3328

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive o

February 25, 2025 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-3328

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive o

February 11, 2025 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-3328

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive o

February 4, 2025 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-3328

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive o

January 17, 2025 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number: 001-33283

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

January 3, 2025 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number: 001-33283

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive of

November 21, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 001-3328

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive o

November 12, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 001-3328

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive o

October 22, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 001-33283

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive of

October 7, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 001-33283

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive of

September 24, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 001-332

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive

August 6, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-33283

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive off

July 23, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File Number: 001-33283 EU

6-K 1 f72324esea6k.htm 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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of pr

July 17, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File Number: 001-33283 EU

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

July 8, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File Number: 001-33283 EU

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

June 21, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 001-33283

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

June 21, 2024 EX-1

TO THE SHAREHOLDERS OF EUROSEAS LTD.

Exhibit 1 June 21, 2024 TO THE SHAREHOLDERS OF EUROSEAS LTD. Enclosed is a Notice of the Annual Meeting of Shareholders of Euroseas Ltd. (the “Company”) which will be held at the offices of Seward & Kissel LLP, 901 K Street NW, Suite 800, Washington, DC 20001, on July 16, 2024 at 11:00 AM. The Company’s Proxy Statement, annual report on Form 20-F, which contains the Company’s audited financial sta

June 21, 2024 EX-2

EX-2

Exhibit 2

June 21, 2024 EX-3

EX-3

Exhibit 3

June 21, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 001-33283 EU

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

June 18, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 001-33283 EU

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

June 10, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 001-33283 EU

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

May 23, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-33283 EUR

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive office

May 8, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-33283 EUR

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive office

April 30, 2024 EX-15.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EXHIBIT 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement Nos. 333-268708 and 333-269066 on Form F-3 of our report dated April 30, 2024, relating to the consolidated financial statements of Euroseas Ltd. appearing in the Annual Report on Form 20-F of Euroseas Ltd. for the year ended December 31, 2023. /s/ Deloitte C

April 30, 2024 EX-97.1

EUROSEAS LTD. POLICY REGARDING THE RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION

EXHIBIT 97.1 EUROSEAS LTD. POLICY REGARDING THE RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION I. Introduction The Board of Euroseas Ltd., a Marshall Islands corporation (the “Company”), is dedicated to maintaining and enhancing a culture that emphasizes integrity and accountability and that reinforces the Company’s pay-for-performance compensation philosophy. In accordance with the applicable rules

April 30, 2024 EX-4.38

Date _12__ July 2023 JONATHAN SHIPOWNERS LTD (1) as Borrower - and - PIRAEUS BANK S.A. (2) as Lender SUPPLEMENTAL AGREEMENT in relation to a Loan Agreement dated 22 October 2021

EXHIBIT 4.38 Private and Confidential Date 12 July 2023 JONATHAN SHIPOWNERS LTD (1) as Borrower - and - PIRAEUS BANK S.A. (2) as Lender SUPPLEMENTAL AGREEMENT in relation to a Loan Agreement dated 22 October 2021 PIRAEUS Index Clause Page No 1 INTERPRETATION 1 2 AGREEMENT OF THE LENDER 2 3 CONDITIONS PRECEDENT 2 4 REPRESENTATIONS AND WARRANTIES 3 5 AMENDMENTS TO LOAN AGREEMENT AND OTHER SECURITY D

April 30, 2024 EX-4.39

Dated _6 September_2023 CORFU NAVIGATION LTD JONATHAN JOHN SHIPPING LTD as Borrowers EUROSEAS LTD. as Corporate Guarantor EUROCON LTD. as Shareholder with EUROBULK LTD. as Manager with SINOPAC CAPITAL INTERNATIONAL (HK) LIMITED as Lender SUPPLEMENTAL

EXHIBIT 4.39 Dated 6 September2023 between CORFU NAVIGATION LTD JONATHAN JOHN SHIPPING LTD as Borrowers with EUROSEAS LTD. as Corporate Guarantor with EUROCON LTD. as Shareholder with EUROBULK LTD. as Manager with SINOPAC CAPITAL INTERNATIONAL (HK) LIMITED as Lender SUPPLEMENTAL AGREEMENT to the Loan Agreement dated 6 September 2021 in respect of a loan of up to USD10,000,000 TABLE OF CONTENTS Cla

April 30, 2024 EX-4.35

Ημερομηνία: …29 Ιουνίου…. 2023 TERATAKI SHIPPING LTD ως δανειζόμενη EUROSEAS LTD. ως εγγυητής ΕΘΝΙΚΗ ΤΡΑΠΕΖΑ ΤΗΣ ΕΛΛΑΔΟΣ Α.Ε. ως δανείστρια ΣΥΜΒΑΣΗ ΔΑΝΕΙΟΥ και ΕΓΓΥΗΣΕΩΣ Έως ποσού Δολλ. ΗΠΑ 26.000.000

Exhibit 4.35 Ημερομηνία: …29 Ιουνίου…. 2023 TERATAKI SHIPPING LTD ως δανειζόμενη και EUROSEAS LTD. ως εγγυητής και ΕΘΝΙΚΗ ΤΡΑΠΕΖΑ ΤΗΣ ΕΛΛΑΔΟΣ Α.Ε. ως δανείστρια ΣΥΜΒΑΣΗ ΔΑΝΕΙΟΥ και ΕΓΓΥΗΣΕΩΣ Έως ποσού Δολλ. ΗΠΑ 26.000.000 ΠΕΡΙΕΧΟΜΕΝΑ ΑΡΙΘΜΟΣ ΑΡΘΡΟΥ 1. ΟΡΟΙ ΚΑΙ ΟΡΙΣΜΟΙ 2. ΠΟΣΟ ΚΑΙ ΣΚΟΠΟΣ ΔΑΝΕΙΟΥ 3. ΕΚΤΑΜΙΕΥΣΗ 4. ΤΟΚΟΣ 5. ΠΕΡΙΟΔΟΙ ΕΚΤΟΚΙΣΜΟΥ 6. ΤΟΚΟΣ ΥΠΕΡΗΜΕΡΙΑΣ 7. ΑΠΟΠΛΗΡΩΜΗ ΚΑΙ ΠΡΟΠΛΗΡΩΜΗ 8. ΟΡΟΙ

April 30, 2024 EX-12.2

CERTIFICATION OF THE PRINCIPAL FINANCIAL OFFICER

EXHIBIT 12.2 CERTIFICATION OF THE PRINCIPAL FINANCIAL OFFICER I, Anastasios Aslidis, certify that: 1. I have reviewed this annual report on Form 20-F of Euroseas Ltd. (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such st

April 30, 2024 EX-13.1

CHIEF EXECUTIVE OFFICER CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350

EXHIBIT 13.1 CHIEF EXECUTIVE OFFICER CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 In connection with this Annual Report of Euroseas Ltd. (the “Company”) on Form 20-F for the year ended December 31, 2023 as filed with the Securities and Exchange Commission (the “SEC”) on or about the date hereof (the “Report”), I, Aristides J. Pittas, Chief Executive Officer of the Company, certify, pursuant to

April 30, 2024 EX-4.33

schedule 1 THE LENDERS AND THEIR COMMITMENTS

Exhibit 4.33 THIS AGREEMENT is made on the 30th day of March 2023 BETWEEN: (1) GREGOS MARITIME LTD, a corporation incorporated in accordance with the laws of the Republic of the Marshall Islands whose registered office is situated at Trust Company Complex, Ajeltake Road, Ajeltake Island, Majuro, Marshall Islands MH 96960 as borrower (the “Borrower”); (2) THE BANKS AND FINANCIAL INSTITUTIONS listed

April 30, 2024 EX-4.42

Dated _18__ April 2024 Up to US$22,000,000 TERM LOAN FACILITY LEONIDAS SHIPPING LTD as Borrower EUROSEAS LTD as Guarantor FIRST-CITIZENS BANK & TRUST COMPANY as Facility Agent FIRST-CITIZENS BANK & TRUST COMPANY as Security Agent FACILITY AGREEMENT r

EXHIBIT 4.42 Dated 18 April 2024 Up to US$22,000,000 TERM LOAN FACILITY LEONIDAS SHIPPING LTD as Borrower EUROSEAS LTD as Guarantor FIRST-CITIZENS BANK & TRUST COMPANY as Facility Agent and FIRST-CITIZENS BANK & TRUST COMPANY as Security Agent FACILITY AGREEMENT relating to the financing of part of the acquisition cost of hull no. 4237 (tbn "LEONIDAS Z") 1 Index Clause Page Section 1 Interpretatio

April 30, 2024 EX-4.36

DATED 12 July 2023 ANTWERP SHIPPING LTD BUSAN SHIPPING LTD KEELUNG SHIPPING LTD OAKLAND SHIPPING LTD (1) - and - PIRAEUS BANK S.A. (2) FACILITY AGREEMENT in respect of a loan of up to USD40,000,000

EXHIBIT 4.36 Private and Confidential DATED 12 July 2023 ANTWERP SHIPPING LTD BUSAN SHIPPING LTD KEELUNG SHIPPING LTD and OAKLAND SHIPPING LTD (1) - and - PIRAEUS BANK S.A. (2) FACILITY AGREEMENT in respect of a loan of up to USD40,000,000 PIRAEUS Index Clause Page 1 PURPOSE, DEFINITIONS AND CONSTRUCTION 1 2 THE COMMITMENT AND CANCELLATION 18 3 INTEREST AND INTEREST PERIODS 19 4 REPAYMENT AND PREP

April 30, 2024 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requiring this shell company report Commission file number 001-33283 EUROSEAS LTD.

April 30, 2024 EX-4.34

“SCHEDULE 6

EXHIBIT 4.34 THIS SUPPLEMENTAL AGREEMENT is made this sixteenth (16th) day of June 2023 BETWEEN: (1) MARCOS SHIPPING LTD, a corporation incorporated in accordance with the laws of the Republic of the Marshall Islands whose registered office is situated at Trust Company Complex, Ajeltake Road, Ajeltake Island, Majuro, Marshall Islands MH 96960 as borrower (the “Borrower”); (2) THE BANKS AND FINANCI

April 30, 2024 EX-4.37

Supplemental Letter

EXHIBIT 4.37 Supplemental Letter From: Piraeus Bank S.A. 4 Amerikis Street 105 64 Athens (with corporate registration number (GCR NO) 157660660000) To: ANTWERP SHIPPING LTD BUSAN SHIPPING LTD KEELUNG SHIPPING LTD OAKLAND SHIPPING LTD Trust Company Complex Ajeltake Road, Ajeltake Island Majuro, Marshall Islands MH96960 8 November 2023 Dear Sirs Loan agreement dated 10th July 2023 (the “Loan Agreeme

April 30, 2024 EX-13.2

CHIEF FINANCIAL OFFICER CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350

EXHIBIT 13.2 CHIEF FINANCIAL OFFICER CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 In connection with the Annual Report of Euroseas Ltd. (the “Company”) on Form 20-F for the year ended December 31, 2023 as filed with the Securities and Exchange Commission (the “SEC”) on or about the date hereof (the “Report”), I, Anastasios Aslidis, Chief Financial Officer of the Company, certify, pursuant to 1

April 30, 2024 EX-12.1

CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER

EXHIBIT 12.1 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER I, Aristides J. Pittas, certify that: 1. I have reviewed this annual report on Form 20-F of Euroseas Ltd. (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such s

April 18, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File Number: 001-33283 E

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offi

April 2, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File Number: 001-33283 E

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 21, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024 Commission File Number: 001-33283 E

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

February 28, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-3328

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive o

February 21, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-3328

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive o

February 8, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-3328

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

January 12, 2024 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2024 Commission File Number: 001-33283

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

December 19, 2023 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 001-3328

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

November 9, 2023 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-3328

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive o

September 29, 2023 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File Number: 001-332

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive

August 9, 2023 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-33283

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

July 25, 2023 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-33283 EU

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

July 7, 2023 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-33283 EU

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

June 27, 2023 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number: 001-33283 EU

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

May 31, 2023 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File Number: 001-33283

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant's name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive office

May 31, 2023 EX-1

TO THE SHAREHOLDERS OF EUROSEAS LTD.

Exhibit 1 May 30, 2023 TO THE SHAREHOLDERS OF EUROSEAS LTD. Enclosed is a Notice of the Annual Meeting of Shareholders of Euroseas Ltd. (the "Company") which will be held at the offices of Seward & Kissel LLP, One Battery Park Plaza, Ground Floor, New York, NY, 10004, on June 23, 2023 at 11:00 AM. The Company's Proxy Statement, annual report on Form 20-F, which contains the Company's audited finan

May 31, 2023 EX-3

EX-3

Exhibit 3

May 31, 2023 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File Number: 001-33283 EUR

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant's name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive office

May 31, 2023 EX-2

EX-2

Exhibit 2

May 16, 2023 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File Number: 001-33283 EUR

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

May 2, 2023 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File Number: 001-33283 EUR

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive office

April 28, 2023 EX-15.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement Nos. 333-268708 and 333-269066 on Form F-3 of our report dated April 28, 2023, relating to the consolidated financial statements of Euroseas Ltd. appearing in this Annual Report on Form 20-F for the year ended December 31, 2022. /s/ Deloitte Certified Public

April 28, 2023 EX-4.33

2

Exhibit 4.33 $19,250,000 Secured Loan Agreement Dated 13, September 2022 (1) Rena Shipping Ltd Emmanuel Shipping Ltd (as Borrowers) (2) HSBC BANK plc (as Lender) PIRAEUS\9087840.5 Contents Section 1 Interpretation 2 1 Definitions and Interpretation 2 Section 2 The Loan 24 2 The Loan 24 3 Purpose 24 4 Conditions of Utilisation 24 Section 3 Utilisation 26 5 Advance 26 Section 4 Repayment, Prepayment

April 28, 2023 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requiring this shell company report Commission file number 001-33283 EUROSEAS LTD.

April 28, 2023 EX-12.2

CERTIFICATION OF THE PRINCIPAL FINANCIAL OFFICER

Exhibit 12.2 CERTIFICATION OF THE PRINCIPAL FINANCIAL OFFICER I, Anastasios Aslidis, certify that: 1. I have reviewed this annual report on Form 20-F of Euroseas Ltd. (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such st

April 28, 2023 EX-4.35

Dated _____23 December 2022_____ RENA SHIPPING LTD as Pledgor PIRAEUS BANK S.A. as Pledgee ACCOUNT ASSIGNMENT BY WAY OF PLEDGE for the Creation of a Pledge (charge/Enechyron) on a Cash Collateral Account and Credit Balance

Exhibit 4.35 Dated 23 December 2022 RENA SHIPPING LTD as Pledgor and PIRAEUS BANK S.A. as Pledgee ACCOUNT ASSIGNMENT BY WAY OF PLEDGE for the Creation of a Pledge (charge/Enechyron) on a Cash Collateral Account and Credit Balance Index 1 Definitions 1 2 Pledge and Assignment 3 3 Representations and Warranties 6 4 Covenants by the Pledgor 7 5 Set Off 9 6 Further Documentation etc. 9 7 Preservation

April 28, 2023 EX-13.2

CHIEF FINANCIAL OFFICER CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350

Exhibit 13.2 CHIEF FINANCIAL OFFICER CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 In connection with the Annual Report of Euroseas Ltd. (the “Company”) on Form 20-F for the year ended December 31, 2022 as filed with the Securities and Exchange Commission (the “SEC”) on or about the date hereof (the “Report”), I, Anastasios Aslidis, Chief Financial Officer of the Company, certify, pursuant to 1

April 28, 2023 EX-12.1

CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER

Exhibit 12.1 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER I, Aristides J. Pittas, certify that: 1. I have reviewed this annual report on Form 20-F of Euroseas Ltd. (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such s

April 28, 2023 EX-13.1

CHIEF EXECUTIVE OFFICER CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350

Exhibit 13.1 CHIEF EXECUTIVE OFFICER CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 In connection with this Annual Report of Euroseas Ltd. (the “Company”) on Form 20-F for the year ended December 31, 2022 as filed with the Securities and Exchange Commission (the “SEC”) on or about the date hereof (the “Report”), I, Aristides J. Pittas, Chief Executive Officer of the Company, certify, pursuant to

April 28, 2023 EX-4.34

Dated ____23 December 2022__ EMMANUEL SHIPPING LTD as Pledgor PIRAEUS BANK S.A. as Pledgee ACCOUNT ASSIGNMENT BY WAY OF PLEDGE for the Creation of a Pledge (charge/Enechyron) on a Cash Collateral Account and Credit Balance

Exhibit 4.34 Dated 23 December 2022 EMMANUEL SHIPPING LTD as Pledgor and PIRAEUS BANK S.A. as Pledgee ACCOUNT ASSIGNMENT BY WAY OF PLEDGE for the Creation of a Pledge (charge/Enechyron) on a Cash Collateral Account and Credit Balance Index 1 Definitions 1 2 Pledge and Assignment 3 3 Representations and Warranties 6 4 Covenants by the Pledgor 8 5 Set Off 9 6 Further Documentation etc. 9 7 Preservat

April 28, 2023 EX-4.32

ISDA® International Swaps and Derivatives Association, Inc. dated as of 23 June 2022 to the ISDA MASTER AGREEMENT dated as of 26 November 2021 PIRAEUS BANK S.A. and EUROSEAS LTD. (as amended, the “Agreement”)

Exhibit 4.32 ISDA® International Swaps and Derivatives Association, Inc. AMENDMENT dated as of 23 June 2022 to the ISDA MASTER AGREEMENT dated as of 26 November 2021 between PIRAEUS BANK S.A. and EUROSEAS LTD. (as amended, the “Agreement”) The parties have previously entered into the Agreement and have now agreed to amend the Agreement by the terms of this amendment (this “Amendment”). Accordingly

April 28, 2023 EX-4.37

ADDENDUM NO 13 MASTER MANAGEMENT AGREEMENT dated February 7th, 2008 between Euroseas Ltd and Eurobulk Ltd

Exhibit 4.37 ADDENDUM NO 13 to MASTER MANAGEMENT AGREEMENT dated February 7th, 2008 between Euroseas Ltd and Eurobulk Ltd This Addendum is made as of 1st February 2023 between Euroseas Ltd. (the “Company”), in its own capacity and as agent for each of its vessel owning subsidiaries identified in Schedule A hereto together with any additional subsidiaries that may acquire vessels in the future (the

April 28, 2023 EX-4.36

Dated _____23 December 2022______ JONATHAN SHIPOWNERS LTD as Pledgor PIRAEUS BANK S.A. as Pledgee ACCOUNT ASSIGNMENT BY WAY OF PLEDGE for the Creation of a Pledge (charge/Enechyron) on a Cash Collateral Account and Credit Balance

Exhibit 4.36 Dated 23 December 2022 JONATHAN SHIPOWNERS LTD as Pledgor and PIRAEUS BANK S.A. as Pledgee ACCOUNT ASSIGNMENT BY WAY OF PLEDGE for the Creation of a Pledge (charge/Enechyron) on a Cash Collateral Account and Credit Balance Index 1 Definitions 1 2 Pledge and Assignment 3 3 Representations and Warranties 6 4 Covenants by the Pledgor 8 5 Set Off 9 6 Further Documentation etc. 9 7 Preserv

April 26, 2023 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File Number: 001-33283 E

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 10, 2023 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File Number: 001-33283 E

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 5, 2023 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File Number: 001-33283 E

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 29, 2023 424B1

4,041,943 of our Common Shares Offered by the Selling Shareholders

Filed Pursuant to Rule 424(b)(1) Registration No. 333-268708 PROSPECTUS 4,041,943 of our Common Shares Offered by the Selling Shareholders The Selling Shareholders named in this Prospectus or their respective donees, pledgees, transferees or other successors in interest may sell in one or more offerings pursuant to this registration statement up to 4,041,943 of our common shares that were previous

March 29, 2023 424B1

Common Shares, Preferred Shares, Debt Securities, Warrants and Units

Filed Pursuant to Rule 424(b)(1) Registration No. 333-269066 PROSPECTUS $400,000,000 Common Shares, Preferred Shares, Debt Securities, Warrants and Units Through this prospectus, we may periodically offer: (1) our common shares, (2) our preferred shares, (3) our debt securities, (4) our warrants, and (5) our units. We may also offer securities of the types listed above that are convertible or exch

February 24, 2023 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2023 Commission File Number: 001-3328

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

January 12, 2023 CORRESP

EUROSEAS LTD. 4 Messogiou & Evropis Street 151 24 Maroussi Greece

EUROSEAS LTD. 4 Messogiou & Evropis Street 151 24 Maroussi Greece January 12, 2023 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Euroseas Ltd. Form F-3 (No. 333-269066) Ladies and Gentlemen: The undersigned registrant hereby requests that the effectiveness of the above-captioned Form F-3 Registration Statement that w

December 29, 2022 EX-4.5

Form of senior debt security indenture

Exhibit 4.5 EUROSEAS LTD. FORM OF SENIOR INDENTURE Dated as of [ ], 20[ ] [ ] Trustee TABLE OF CONTENTS PAGE ARTICLE I DEFINITIONS AND INCORPORATION BY REFERENCE 1 SECTION 1.01. Definitions. 1 SECTION 1.02. Other Definitions. 5 SECTION 1.03. Incorporation by Reference of Trust Indenture Act. 5 SECTION 1.04. Rules of Construction. 6 ARTICLE II THE SECURITIES 6 SECTION 2.01. Issuable in Series. 6 SE

December 29, 2022 EX-4.6

Form of subordinated debt security indenture

Exhibit 4.6 Euroseas Ltd. FORM OF SUBORDINATED INDENTURE Dated as of [ ], 20[ ] [ ] Trustee TABLE OF CONTENTS PAGE ARTICLE I DEFINITIONS AND INCORPORATION BY REFERENCE 1 SECTION 1.01. Definitions. 1 SECTION 1.02. Other Definitions. 5 SECTION 1.03. Incorporation by Reference of Trust Indenture Act. 5 SECTION 1.04. Rules of Construction. 5 ARTICLE II THE SECURITIES 5 SECTION 2.01. Issuable in Series

December 29, 2022 F-3

As filed with the Securities and Exchange Commission on December 29, 2022

As filed with the Securities and Exchange Commission on December 29, 2022 Registration Statement No.

December 29, 2022 EX-FILING FEES

Calculation of Filing Fee Table

EX-FILING FEES 7 d9888607ex-107.htm FILING FEES TABLE Exhibit 107 Calculation of Filing Fee Table Form F-3 (Form Type) Euroseas Ltd. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Proposed Maxim

December 29, 2022 6-K

Exhibit 1

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

December 16, 2022 CORRESP

EUROSEAS LTD. 4 Messogiou & Evropis Street 151 24 Maroussi Greece

EUROSEAS LTD. 4 Messogiou & Evropis Street 151 24 Maroussi Greece December 16, 2022 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Euroseas Ltd. Form F-3 (No. 333-268708) Ladies and Gentlemen: The undersigned registrant hereby requests that the effectiveness of the above-captioned Form F-3 Registration Statement that

December 7, 2022 F-3

As filed with the Securities and Exchange Commission on December 7, 2022

As filed with the Securities and Exchange Commission on December 7, 2022 Registration Statement No.

December 7, 2022 EX-FILING FEES

Calculation of Filing Fee Table

Exhibit 107 Calculation of Filing Fee Table Form F-3 (Form Type) Euroseas Ltd. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit Proposed Maximum Aggregate Offering Price Fee Rate Amount of Reg

November 14, 2022 6-K

Exhibit 1

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

October 11, 2022 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2022 Commission File Number: 001-33283

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2022 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive of

August 11, 2022 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2022 Commission File Number: 001-33283

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2022 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive off

July 26, 2022 6-K

Exhibit 99.1

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2022 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

June 30, 2022 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2022 Commission File Number: 001-33283 EU

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2022 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant's name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

June 30, 2022 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2022 Commission File Number: 001-33283

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2022 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

June 30, 2022 EX-2

Exhibit 2

Exhibit 2

June 30, 2022 EX-1

Exhibit 1

Exhibit 1 June 30, 2022 TO THE SHAREHOLDERS OF EUROSEAS LTD. Enclosed is a Notice of the Annual Meeting of Shareholders of Euroseas Ltd. (the "Company") which will be held at the offices of Seward & Kissel LLP, 901 K Street NW, Suite 800, Washington, DC 20001, on July 22, 2022 at 10:30 AM. At this Annual Meeting of Shareholders (the "Meeting"), shareholders of the Company will consider and vote up

June 27, 2022 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2022 Commission File Number: 001-33283 EU

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2022 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

May 24, 2022 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2022 Commission File Number: 001-33283 EUR

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2022 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive office

May 18, 2022 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2022 Commission File Number: 001-33283 EUR

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2022 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive office

May 16, 2022 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2022 Commission File Number: 001-33283 EUR

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2022 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive office

May 3, 2022 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2022 Commission File Number: 001-33283 EUR

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2022 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive office

April 22, 2022 EX-12.1

Rule 13a-14(a)/15d-14(a) Certification of Chief Executive Officer

Exhibit 12.1 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER I, Aristides J. Pittas, certify that: 1. I have reviewed this annual report on Form 20-F of Euroseas Ltd. (the ?Company?); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such s

April 22, 2022 EX-4.30

Facility Agreement between Antwerp Shipping Ltd, Busan Shipping Ltd., Keelung Shipping Ltd. and Oakland Shipping Ltd., as Borrowers, and Piraeus Bank S.A., as Lenders, in respect of revolving credit facility of up to US$16,500,000 dated November 26, 2021

Exhibit 4.30 Private and Confidential DATED 26 November 2021 ANTWERP SHIPPING LTD BUSAN SHIPPING LTD KEELUNG SHIPPING LTD and OAKLAND SHIPPING LTD (1) - and - PIRAEUS BANK S.A. (2) FACILITY AGREEMENT in respect of revolving credit facility of up to USD16,500,000 PIRAEUS Index Clause Page 1 Purpose, definitions and construction 1 2 The Commitment and cancellation 17 3 Interest and Interest Periods

April 22, 2022 EX-4.31

Loan Agreement between Marcos Shipping Ltd., as Borrower, and Eurobank S.A., as the Lenders, Arranger, Account Bank, Agent and Security Trustee, in respect of a loan of up to US$34,000,000 dated December 14, 2021

Exhibit 4.31 THIS AGREEMENT is made on the 14th day of December 2021 BETWEEN: (1) MARCOS SHIPPING LTD, a corporation incorporated in accordance with the laws of the Republic of the Marshall Islands whose registered office is situated at Trust Company Complex, Ajeltake Road, Ajeltake Island, Majuro, Marshall Islands MH 96960 as borrower (the ?Borrower?); (2) THE BANKS AND FINANCIAL INSTITUTIONS lis

April 22, 2022 EX-4.28

Interest Rate Swap Agreement between Euroseas Ltd. and Eurobank SA/Athens dated October, 12, 2021

Exhibit 4.28 To: EUROSEAS LTD Athens, 12 October 2021 FINAL TERMS & CONDITIONS Dear Mr. Pariaros, Please find below the Final Terms and Conditions of the Interest Rate Hedging structure we traded today. Trade Date: 12 October 2021 Effective Date: 01 November 2021 Termination Date: 01 November 2025, subject of adjustment in accordance with the Modified Following Business Day Convention. FIXED AMOUN

April 22, 2022 EX-4.29

Loan Agreement between Jonathan Shipowners Ltd., as Borrower, and HSBC Bank plc, as Lender in relation to a Secured Loan of US$15,000,000 dated October 22, 2021

Exhibit 4.29 US$15,000,000 Secured Loan Agreement Dated 22 October 2021 (1) Jonathan Shipowners Ltd (as Borrower) (2) HSBC BANK plc (as Lender) PIRAEUS\9044303.5 Contents Section 1 Interpretation 2 1 Definitions and Interpretation 2 Section 2 The Loan 21 2 The Loan 21 3 Purpose 21 4 Conditions of Utilisation 21 Section 3 Utilisation 23 5 Advance 23 Section 4 Repayment, Prepayment and Cancellation

April 22, 2022 EX-4.27

Loan Agreement between Corfu Navigation Ltd. and Jonathan John Shipping Ltd., as Borrowers, and Sinopac Capital International (HK) Limited, as Lender, in respect of a loan of up to US$10,000,000 dated September 6, 2021

Exhibit 4.27 Private and Confidential EXECUTION VERSION DATED 6 September 2021 CORFU NAVIGATION LTD - and ? JONATHAN JOHN SHIPPING LTD - and - SINOPAC CAPITAL INTERNATIONAL (HK) LIMITED LOAN AGREEMENT in respect of a loan of up to USD10,000,000 Index Clause Page 1 Purpose, definitions and construction ................................................................ 3 2 The Commitment and cancellat

April 22, 2022 EX-4.32

Euroseas Ltd. 2021 Equity Incentive Plan

Exhibit 4.32 EUROSEAS LTD. 2021 EQUITY INCENTIVE PLAN ARTICLE I General 1.1. Purpose The Euroseas Ltd. 2021 Equity Incentive Plan (the "Plan") is designed to provide certain Key Persons (as defined below), whose initiative and efforts are deemed to be important to the successful conduct of the business of Euroseas Ltd. (the "Company"), with incentives to (a) acquire a proprietary interest in the s

April 22, 2022 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F (Mark One) ? REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to OR ? SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requiring this shell company report Commission file number 001-33283 EUROSEAS LTD.

April 22, 2022 EX-12.2

Rule 13a-14(a)/15d-14(a) Certification of Chief Financial Officer

Exhibit 12.2 CERTIFICATION OF THE PRINCIPAL FINANCIAL OFFICER I, Anastasios Aslidis, certify that: 1. I have reviewed this annual report on Form 20-F of Euroseas Ltd. (the ?Company?); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such st

April 22, 2022 EX-15.1

Consent of Deloitte Certified Public Accountants S.A.

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement No. 333-237128 on Form F-3 of our report dated April 22, 2022, relating to the consolidated financial statements of Euroseas Ltd. appearing in this Annual Report on Form 20-F for the year ended December 31, 2021. /s/ Deloitte Certified Public Accountants S.A.

April 22, 2022 EX-13.1

Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.1 CHIEF EXECUTIVE OFFICER CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 In connection with this Annual Report of Euroseas Ltd. (the ?Company?) on Form 20-F for the year ended December 31, 2021 as filed with the Securities and Exchange Commission (the ?SEC?) on or about the date hereof (the ?Report?), I, Aristides J. Pittas, Chief Executive Officer of the Company, certify, pursuant to

April 22, 2022 EX-13.2

Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.2 CHIEF FINANCIAL OFFICER CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 In connection with the Annual Report of Euroseas Ltd. (the ?Company?) on Form 20-F for the year ended December 31, 2021 as filed with the Securities and Exchange Commission (the ?SEC?) on or about the date hereof (the ?Report?), I, Anastasios Aslidis, Chief Financial Officer of the Company, certify, pursuant to 1

April 22, 2022 EX-2.7

Description of Securities

Exhibit 2.7 DESCRIPTION OF THE REGISTRANT?S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2021, Euroseas Ltd. (the ?Company?) had common stock, par value $0.03 per share, registered under Section 12 of the Securities Exchange Act of 1934, as amended. The following description sets forth certain material terms and provisions of the Company?s

March 21, 2022 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2022 Commission File Number: 001-33283 E

6-K 1 f32122esea6k.htm 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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2022 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of p

February 23, 2022 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2022 Commission File Number: 001-3328

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2022 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive o

February 15, 2022 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2022 Commission File Number: 001-3328

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2022 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive o

February 1, 2022 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2022 Commission File Number: 001-3328

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2022 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive o

January 18, 2022 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2022 Commission File Number: 001-33283

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2022 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive of

December 28, 2021 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2021 Commission File Number: 001-3328

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2021 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive o

November 29, 2021 EX-1

Exhibit 1

Exhibit 1 MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS The following is a discussion of our financial condition and results of operations for the nine months ended September 30, 2021.

November 29, 2021 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2021 Commission File Number: 001-3328

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2021 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive o

November 29, 2021 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2021 September 30, 2021 --12-31 Comm

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2021 September 30, 2021 -12-31 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant's name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Addre

November 16, 2021 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2021 Commission File Number: 001-3328

6-K 1 f111621esea6k.htm 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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2021 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address

November 12, 2021 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2021 Commission File Number: 001-3328

6-K 1 f111221esea6k.htm 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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2021 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address

October 5, 2021 SC 13D/A

ESEA / Euroseas Ltd. / Friends Investment CO Inc. Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under The Securities Exchange Act of 1934 (Amendment No.

September 8, 2021 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2021 Commission File Number: 001-332

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2021 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive

September 7, 2021 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2021 Commission File Number: 001-332

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2021 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive

August 13, 2021 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021 June 30, 2021 --12-31 Commission F

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021 June 30, 2021 -12-31 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of pr

August 13, 2021 EX-1

Exhibit 1

MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS The following is a discussion of our financial condition and results of operations for the six months ended June 30, 2021.

August 12, 2021 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021 Commission File Number: 001-33283

S&K Comments: 8-11-2021 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

August 2, 2021 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021 Commission File Number: 001-33283

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive off

July 29, 2021 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2021 Commission File Number: 001-33283 EU

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2021 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

July 15, 2021 SC 13D/A

MHY235921357 / Euroseas Ltd / Friends Investment CO Inc. Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under The Securities Exchange Act of 1934 (Amendment No.

July 2, 2021 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2021 Commission File Number: 001-33283 EU

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2021 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

July 2, 2021 EX-2

Exhibit 2

Exhibit 2

July 2, 2021 EX-1.1

Exhibit 1

Exhibit 1 July 1, 2021 TO THE SHAREHOLDERS OF EUROSEAS LTD. Enclosed is a Notice of the Annual Meeting of Shareholders of Euroseas Ltd. (the ?Company?) which will be held at the offices of Seward & Kissel LLP, 901 K Street NW, Suite 800, Washington, DC 20001, on July 23, 2021 at 10:30 AM. At this Annual Meeting of Shareholders (the ?Meeting?), shareholders of the Company will consider and vote upo

July 1, 2021 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2021 Commission File Number: 001-33283

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2021 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

June 30, 2021 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2021 Commission File Number: 001-33283 EU

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2021 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

June 30, 2021 SC 13D/A

ESEA / Euroseas Ltd. / BlackRock Inc. Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 6)* Euroseas, Ltd. (Name of Issuer) Common Stock, par value $0.03 per share (Title of Class of Securities) Y23592309 (CUSIP Number) David Maryles Managing Director, Legal & Compliance BlackRock, Inc. 55 East 52nd Street New York, NY 10055 (212) 810-5300 (Nam

June 22, 2021 SC 13D/A

ESEA / Euroseas Ltd. / Synergy Holdings Ltd Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D (Rule 13d-101) UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

June 4, 2021 EX-1

Exhibit 1

Exhibit 1 MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS The following is a discussion of our financial condition and results of operations for the three months ended March 31, 2021.

June 4, 2021 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2021 Commission File Number: 001-33283

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2021 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

May 26, 2021 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2021 Commission File Number: 001-33283 EUR

6-K 1 f52621esea6k.htm 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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2021 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of pri

May 6, 2021 6-K

Current Report of Foreign Issuer -

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2021 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive office

April 28, 2021 EX-12.1

Rule 13a-14(a)/15d-14(a) Certification of Chief Executive Officer

Exhibit 12.1 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER I, Aristides J. Pittas, certify that: 1. I have reviewed this annual report on Form 20-F of Euroseas Ltd. (the ?Company?); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such s

April 28, 2021 EX-15.1

Consent of Deloitte Certified Public Accountants S.A.

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement No. 333-237128 on Form F-3 of our report dated April 28, 2021, relating to the consolidated financial statements of Euroseas Ltd., appearing in this Annual Report on Form 20-F for the year ended December 31, 2020. /s/ Deloitte Certified Public Accountants S.A

April 28, 2021 20-F

-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F (Mark One) ? REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to OR ? SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requiring this shell company report Commission file number 001-33283 EUROSEAS LTD.

April 28, 2021 EX-4.34

Supplemental Agreement between Antwerp Shipping Ltd., Busan Shipping Ltd., Keelung Shipping Ltd. and Oakland Shipping Ltd., as Joint and Several Borrowers, and Piraeus Bank S.A, as Lender, dated July 16, 2020 in relation to a Loan Agreement dated November 8, 2019

Exhibit 4.34 Date 16 July 2020 ANTWERP SHIPPING LTD BUSAN SHIPPING LTD KEELUNG SHIPPING LTD OAKLAND SHIPPING LTD (1) as joint and several Borrowers - and - PIRAEUS BANK S.A. (2) as Lender SUPPLEMENTAL AGREEMENT in relation to a Loan Agreement dated 08 November 2019 Index Clause Page No 1 INTERPRETATION 1 2 AGREEMENT OF THE LENDER 2 3 CONDITIONS PRECEDENT 2 4 REPRESENTATIONS AND WARRANTIES 4 5 AMEN

April 28, 2021 EX-13.1

Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.1 CHIEF EXECUTIVE OFFICER CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 In connection with this Annual Report of Euroseas Ltd. (the ?Company?) on Form 20-F for the year ended December 31, 2020 as filed with the Securities and Exchange Commission (the ?SEC?) on or about the date hereof (the ?Report?), I, Aristides J. Pittas, Chief Executive Officer of the Company, certify, pursuant to

April 28, 2021 EX-13.2

Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.2 CHIEF FINANCIAL OFFICER CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 In connection with the Annual Report of Euroseas Ltd. (the ?Company?) on Form 20-F for the year ended December 31, 2020 as filed with the Securities and Exchange Commission (the ?SEC?) on or about the date hereof (the ?Report?), I, Anastasios Aslidis, Chief Financial Officer of the Company, certify, pursuant to 1

April 28, 2021 EX-4.33

Supplemental Letter to the Facility Agreement of up to US$45,000,000 dated November 21, 2018, as amended by a first supplemental letter dated May 30, 2019, between Euroseas Ltd., as Borrower, and Eurobank S.A. (formerly Eurobank Ergasias S.A.), as Lender

Exhibit 4.33 SUPPLEMENTAL LETTER To: EUROSEAS LTD. of the Marshall Islands (as Borrower) To: Jonathan John Shipping Ltd of the Marshall Islands Joanna Maritime Ltd of Liberia Allendale Investments S.A. of Panama Manolis Shipping Limited of the Marshall Islands Alterwall Business Inc. of Panama Athens shipping Ltd of the Marshall Islands Oinousses Navigation Ltd of the Marshall Islands Corfu Naviga

April 28, 2021 EX-4.35

Supplemental Agreement between Diamantis Shipowners Ltd., as Borrower, and Piraeus Bank S.A, as Lender, dated July 16, 2020 in relation to a Loan Agreement dated July 29, 2019

Exhibit 4.35 Date 16 July 2020 DIAMANTIS SHIPOWNERS LTD (1) as Borrower -and- PIRAEUS BANK S.A. (2) as Lender SUPPLEMENTAL AGREEMENT in relation to a Loan Agreement dated 29 July 2019 Index Clause Page No 1 INTERPRETATION 1 2 AGREEMENT OF THE LENDER 2 3 CONDITIONS PRECEDENT 2 4 REPRESENTATIONS AND WARRANTIES 4 5 AMENDMENTS TO LOAN AGREEMENT AND OTHER SECURITY DOCUMENTS 4 6 FURTHER ASSURANCES 12 7

April 28, 2021 EX-12.2

Rule 13a-14(a)/15d-14(a) Certification of Chief Financial Officer

Exhibit 12.2 CERTIFICATION OF THE PRINCIPAL FINANCIAL OFFICER I, Anastasios Aslidis, certify that: 1. I have reviewed this annual report on Form 20-F of Euroseas Ltd. (the ?Company?); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such st

April 12, 2021 6-K

Current Report of Foreign Issuer -

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2021 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offi

March 17, 2021 6-K

Current Report of Foreign Issuer -

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2021 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offi

February 25, 2021 6-K

Current Report of Foreign Issuer -

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2021 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant?s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive o

February 3, 2021 SC 13D/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 5)*1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 5)*1 Euroseas, Ltd. (Name of Issuer) Common Stock, par value $0.03 per share (Title of Class of Securities) Y23592309 (CUSIP Number) David Maryles Managing Director, Legal & Compliance BlackRock, Inc. 55 East 52nd Street New York, NY 10055 (212) 810-5300 (Na

February 3, 2021 424B5

Up to $5,242,800 Common Shares Euroseas Ltd.

Filed Pursuant to Rule 424(b)(5) Registration No. 333-237128 PROSPECTUS SUPPLEMENT (To Prospectus dated May 12, 2020) Up to $5,242,800 Common Shares Euroseas Ltd. This prospectus supplement relates to the issuance and sale of our common shares, par value $0.03 per share, having an aggregate offering price of up to $5,242,800, from time to time solely through Maxim Group LLC ("Maxim"), who we refer

February 3, 2021 EX-99.1

Stock Purchase Agreement, dated as of January 29, 2021, by and between Tennenbaum Capital Partners, LLC, on behalf of Tennenbaum Opportunities Fund VI, LLC, and EuroSeas Ltd.

Exhibit 99.1 Execution Version STOCK PURCHASE AGREEMENT This Stock Purchase Agreement (the “Agreement”), dated as of January 29, 2021, is by and between Tennenbaum Capital Partners LLC, on behalf of Tennenbaum Opportunities Fund VI, LLC (the “Seller”) and Euroseas Ltd. (the “Company” and together with the Seller, each individually a “Party” and collectively the “Parties”). WITNESSETH: WHEREAS, the

February 2, 2021 SC 13D/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 4)*

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 4)* Euroseas, Ltd. (Name of Issuer) Common Stock, par value $0.03 per share (Title of Class of Securities) Y23592309 (CUSIP Number) David Maryles Managing Director, Legal & Compliance BlackRock, Inc. 55 East 52nd Street New York, NY 10055 (212) 810-5300 (Nam

February 2, 2021 EX-99.1

Stock Purchase Agreement, dated as of January 29, 2021, by and between Tennenbaum Capital Partners, LLC, on behalf of Tennenbaum Opportunities Fund VI, LLC, and EuroSeas Ltd.

Exhibit 99.1 Execution Version STOCK PURCHASE AGREEMENT This Stock Purchase Agreement (the “Agreement”), dated as of January 29, 2021, is by and between Tennenbaum Capital Partners LLC, on behalf of Tennenbaum Opportunities Fund VI, LLC (the “Seller”) and Euroseas Ltd. (the “Company” and together with the Seller, each individually a “Party” and collectively the “Parties”). WITNESSETH: WHEREAS, the

February 1, 2021 EX-1

Amended and Restated Statement of Designation of the Rights, Preferences and Privileges of Series B Convertible Perpetual Preferred Shares of Euroseas Ltd.

Exhibit 1 AMENDED AND RESTATED STATEMENT OF DESIGNATION OF THE RIGHTS, PREFERENCES AND PRIVILEGES OF SERIES B CONVERTIBLE PERPETUAL PREFERRED SHARES OF EUROSEAS LTD.

February 1, 2021 6-K

Form 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2021 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive o

December 22, 2020 6-K

Current Report of Foreign Issuer -

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

December 15, 2020 SC 13D/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under The Securities Exchange Act of 1934 (Amendment No. 24)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under The Securities Exchange Act of 1934 (Amendment No.

December 15, 2020 SC 13D/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under The Securities Exchange Act of 1934 (Amendment No. 3)*

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under The Securities Exchange Act of 1934 (Amendment No.

December 15, 2020 SC 13D/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under The Securities Exchange Act of 1934 (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under The Securities Exchange Act of 1934 (Amendment No.

November 30, 2020 6-K

Current Report of Foreign Issuer -

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

November 20, 2020 6-K

Form 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2020 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant's name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive o

November 20, 2020 6-K

Current Report of Foreign Issuer -

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

November 20, 2020 EX-1

Exhibit 1

Exhibit 1 MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS The following is a discussion of our financial condition and results of operations for the nine months ended September 30, 2020.

October 9, 2020 SC 13D/A

ESEA / Euroseas Ltd. / Friends Investment CO Inc. Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under The Securities Exchange Act of 1934 (Amendment No.

October 9, 2020 SC 13D/A

ESEA / Euroseas Ltd. / Containers Shareholders Trinity Ltd. Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under The Securities Exchange Act of 1934 (Amendment No.

September 21, 2020 6-K

Current Report of Foreign Issuer -

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

August 12, 2020 6-K

Current Report of Foreign Issuer -

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

August 12, 2020 6-K

Current Report of Foreign Issuer -

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2020 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant's name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive off

July 24, 2020 6-K

Current Report of Foreign Issuer -

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2020 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

June 30, 2020 EX-1

Exhibit 1

Exhibit 1 June 30, 2020 TO THE SHAREHOLDERS OF EUROSEAS LTD. Enclosed is a Notice of the Annual Meeting of Shareholders of Euroseas Ltd. (the “Company”) which will be held at the offices of Seward & Kissel LLP, 901 K Street NW, Suite 800, Washington, DC 20001, on July 17, 2020 at 10:30 AM. At this Annual Meeting of Shareholders (the “Meeting”), shareholders of the Company will consider and vote up

June 30, 2020 6-K

Current Report of Foreign Issuer -

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2020 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

June 30, 2020 6-K

Current Report of Foreign Issuer -

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2020 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offic

June 30, 2020 EX-2

Exhibit 2

Exhibit 2

June 10, 2020 SC 13D/A

ESEA / Euroseas Ltd. / Friends Investment CO Inc. Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under The Securities Exchange Act of 1934 (Amendment No.

May 29, 2020 6-K

Form 6-K

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2020 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive office

May 29, 2020 424B5

Up to $1,675,000 Common Shares Euroseas Ltd.

Filed Pursuant to Rule 424(b)(5) Registration No. 333-237128 PROSPECTUS SUPPLEMENT (To Prospectus dated May 12, 2020) Up to $1,675,000 Common Shares Euroseas Ltd. This prospectus supplement relates to the issuance and sale of our common shares, par value $0.03 per share, having an aggregate offering price of up to $1,675,000, from time to time solely through Maxim Group LLC ("Maxim"), who we refer

May 29, 2020 EX-1

Amendment No. 1. to the Equity Distribution Agreement between Euroseas Ltd. and Maxim Group LLC dated May 29, 2020(14)

Exhibit 1 EUROSEAS LTD. Up to US$10,000,000 of Common Shares AMENDMENT NO. 1 TO EQUITY DISTRIBUTION AGREEMENT May 29, 2020 Maxim Group LLC 405 Lexington Avenue New York, New York 10174 Ladies and Gentlemen: Reference is made to that certain Equity Distribution Agreement, dated October 30, 2018 (the "Agreement") between Euroseas Ltd., a corporation organized under the laws of the Republic of the Ma

May 28, 2020 6-K

Current Report of Foreign Issuer -

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2020 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive office

May 28, 2020 EX-1

Exhibit 1

Exhibit 1 MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS The following is a discussion of our financial condition and results of operations for the three months ended March 31, 2020.

May 27, 2020 6-K

Current Report of Foreign Issuer -

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

May 12, 2020 424B1

Common Shares, Preferred Shares, Debt Securities, Warrants and Units 2,369,950 of our Common Shares Offered by the Selling Shareholders

Filed Pursuant to Rule 424(b)(1) Registration No. 333-237128 PROSPECTUS $400,000,000 Common Shares, Preferred Shares, Debt Securities, Warrants and Units 2,369,950 of our Common Shares Offered by the Selling Shareholders Through this prospectus, we may periodically offer: (1) our common shares, (2) our preferred shares, (3) our debt securities, (4) our warrants, and (5) our units. We may also offe

May 6, 2020 CORRESP

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EUROSEAS LTD. 4 Messogiou & Evropis Street 151 24 Maroussi Greece May 6, 2020 BY EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Euroseas Ltd. Form F-3 (No. 333-237128) Ladies and Gentlemen: The undersigned registrant hereby requests that the effectiveness of the above-captioned Form F-3 Registration Statement that was ini

May 4, 2020 F-3/A

-

As filed with the Securities and Exchange Commission on May 4, 2020 Registration Statement No.

April 30, 2020 EX-13.2

Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.2 CHIEF FINANCIAL OFFICER CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 In connection with the Annual Report of Euroseas Ltd. (the “Company”) on Form 20-F for the year ended December 31, 2019 as filed with the Securities and Exchange Commission (the “SEC”) on or about the date hereof (the “Report”), I, Anastasios Aslidis, Chief Financial Officer of the Company, certify, pursuant to 1

April 30, 2020 EX-4.22

Loan Agreement between Euroseas Ltd., as borrower, and Colby Trading Ltd., as lender, for a term loan facility of up to US$2,500,000 dated September 30, 2019

Exhibit 4.22 COLBY TRADING LTD EUROSEAS LTD September 30, 2019 Dear Sirs US$2,500,000 LOAN FACILITY In accordance with our recent discussions, COLBY TRADING LTD, a Marshall Islands corporation (the `Lender’), is pleased to confirm that it will make available to EUROSEAS LTD, a Marshall Islands corporation (the “Borrower”), a loan facility of two million and five hundred thousand United States Doll

April 30, 2020 EX-4.17

Supplemental Letter to the Facility Agreement of up to US$45,000,000 between Euroseas Ltd., as borrower, and Eurobank Ergasias, S.A., as the bank, dated May 30, 2019(13)

Exhibit 4.17 DATED: 30Th MAY 2019 EUROBANK ERGASIAS S.A. (THE BANK) -AND- EUROSEAS LTD. (AS “BORROWER”) SUPPLEMENTAL LETTER To FACILITY AGREEMENT (No.167) OF UP TO $45,000,000 Alassia Building, 13 Defteras Merchias Street 185 35 Piraeus Greece. Tel +30 210 4138800, 210 8226801, Fax +30 210 4138809, 210 8217869 In cooperation with Kyriakides Georgopoulos Law Firm www.daniolos.gr INDEX CLAUSE PAGE 1

April 30, 2020 EX-4.31

Interest Rate Swap Agreement between Euroseas Ltd. and Eurobank SA/Athens dated April 16, 2020(13)

Exhibit 4.31 ATHENS, 16/04/2020 EUROSEAS LTD 40, Agiou Konstantinou Str. GR 15124, Marousi Attn: Mr A. Pittas / Mr. T. Aslidis RE: SWAP TRANSACTION Our Ref: 20295-21787 The purpose of this confirmation is to confirm the terms and conditions of the Swap Transaction entered into between EUROBANK SA/ATHENS (“Party A”) and EUROSEAS LTD (“Party B”) on the Trade Date specified below (The Swap Transactio

April 30, 2020 20-F

Form 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requiring this shell company report Commission file number 001-33283 EUROSEAS LTD.

April 30, 2020 EX-4.18

Loan Agreement between Diamantis Shipowners Ltd., as borrower, and Piraeus Bank S.A., as lender, for a term loan facility of up to US$4,000,000 dated July 29, 2019(13)

Exhibit 4.18 Private and Confidential DATED 29th July 2019 DIAMANTIS SHIPOWNERS LTD (1) - and - PIRAEUS BANK S.A. (2) FACILITY AGREEMENT in respect of a loan of up to USD4,000,000 INCE PIRAEUS Index Clause Page 1 Purpose, definitions and construction 3 2 The Commitment and cancellation 17 3 Interest and Interest Periods 18 4 Repayment and prepayment 21 5 Fees and expenses 23 6 Payments and taxes;

April 30, 2020 EX-4.23

First Supplemental Agreement relating to a Loan Agreement between Euroseas Ltd., as borrower, and Colby Trading Ltd., as lender, for a term loan facility of up to US$2,500,000 dated December 20, 2019

Exhibit 4.23 Dated 20th December 2019 EUROSEAS LTD as Borrower and COLBY TRADING LTD as Lender FIRST SUPPLEMENTAL AGREEMENT relating to a loan agreement dated 30 September 2019 in respect of a loan facility of U$2,500,000 THIS FIRST SUPPLEMENTAL AGREEMENT is dated 20th December 2019 and made between PARTIES (1) EUROSEAS LTD a company incorporated under the laws of the Marshall Islands, (the “Borro

April 30, 2020 EX-15.1

Consent of Deloitte Certified Public Accountants S.A.

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement No. 333-237128 on Form F-3 of our report dated April 30, 2020, relating to the consolidated financial statements of Euroseas Ltd., appearing in this Annual Report on Form 20-F for the year ended December 31, 2019. /s/ Deloitte Certified Public Accountants S.A

April 30, 2020 EX-4.15

Addendum No. 10 to Amended and Restated Master Management Agreement between Euroseas Ltd. and Eurobulk Ltd. dated as of November 15, 2019(13)

Exhibit 4.15 ADDENDUM NO 10 to MASTER MANAGEMENT AGREEMENT dated February 7th, 2008 between Euroseas Ltd and Eurobulk Ltd This Addendum is made as of November 15th 2019 between Euroseas Ltd. (the “Company”), in its own capacity and as agent for each of its vessel owning subsidiaries identified in Schedule A hereto together with any additional subsidiaries that may acquire vessels in the future (th

April 30, 2020 EX-12.2

Rule 13a-14(a)/15d-14(a) Certification of Chief Financial Officer

Exhibit 12.2 CERTIFICATION OF THE PRINCIPAL FINANCIAL OFFICER I, Anastasios Aslidis, certify that: 1. I have reviewed this annual report on Form 20-F of Euroseas Ltd. (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such st

April 30, 2020 EX-12.1

Rule 13a-14(a)/15d-14(a) Certification of Chief Executive Officer

Exhibit 12.1 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER I, Aristides J. Pittas, certify that: 1. I have reviewed this annual report on Form 20-F of Euroseas Ltd. (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such s

April 30, 2020 EX-4.21

Letter Agreement between Euroseas Ltd. and Synergy Holdings Limited relating to the Synergy Vessel Acquisition dated November 7, 2019

Exhibit 4.21 LETTER AGREEMENT THIS LETTER AGREEMENT (this “Agreement”) is dated as of November 7, 2019, and made by and among Euroseas Ltd., a Marshall Islands corporation (“Euroseas”), and Synergy Holdings Limited (formerly known as Nautilus Holdings No. 2 Limited), a Bermuda Company (“Seller”). WHEREAS, Euroseas has agreed to purchase the vessels MV SYNERGY BUSAN (IMO: 9450571), MV SYNERGY KEELU

April 30, 2020 EX-4.24

Second Supplemental Agreement relating to a Loan Agreement between Euroseas Ltd., as borrower, and Colby Trading Ltd., as lender, for a term loan facility of up to US$2,500,000 dated March 30, 2020

Exhibit 4.24 Dated March 20, 2020 EUROSEAS LTD as Borrower and COLBY TRADING LTD as Lender SECOND SUPPLEMENTAL AGREEMENT relating to a loan agreement dated 30 September 2019 in respect of a loan facility of U$2,500,000 as supplemented by the First Supplemental Agreement dated 20 December 2019 THIS SECOND SUPPLEMENTAL AGREEMENT is dated 30th March 2020 and made between PARTIES (1) EUROSEAS LTD a co

April 30, 2020 EX-4.25

Loan Agreement between Euroseas Ltd., as borrower, and Colby Trading Ltd., as lender, for a term loan facility of up to US$2,500,000 dated November 1, 2019(13)

Exhibit 4.25 COLBY TRADING LTD EUROSEAS LTD November 1st, 2019 Dear Sirs US$2,500,000 LOAN FACILITY In accordance with our recent discussions, COLBY TRADING LTD, a Marshall Islands corporation (the `Lender’), is pleased to confirm that it will make available to EUROSEAS LTD, a Marshall Islands corporation (the “Borrower”), a loan facility of two million five hundred thousand United States Dollars

April 30, 2020 EX-4.29

Registration Rights Agreement between Euroseas Ltd. and Synergy Holdings Limited dated November 7, 2019(13)

Exhibit 4.29 REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this “Agreement”) is made and entered into effective as of November 7, 2019, by and among Euroseas Ltd., a Marshall Islands corporation (the “Company”), and the shareholder signatory hereto (the “Investor”). RECITALS A. The Company has agreed pursuant to the Stock Purchase Agreement between the Company and the Investor

April 30, 2020 EX-4.30

Equity Distribution Agreement between Euroseas Ltd. and Maxim Group LLC dated October 30, 2018(13)

Exhibit 4.30 EXECUTION VERSION EUROSEAS LTD. Up to US$10,000,000 of Common Shares EQUITY DISTRIBUTION AGREEMENT October 30, 2018 Maxim Group LLC 405 Lexington Avenue New York, New York 10174 Ladies and Gentlemen: Euroseas Ltd., a corporation organized under the laws of the Republic of the Marshall Islands (the “Company”), proposes to issue and sell through Maxim Group LLC (the “Agent”), as sales a

April 30, 2020 EX-4.19

Secured Loan Agreement between Kea Shipowners Ltd., Spetses Shipowners Ltd. and Hydra Shipowners Ltd., as borrowers, and HSBC Bank PLC, as lender, for a secured loan of US$12,500,000 dated July 30, 2019(13)

Exhibit 4.19 US$12,500,000 Secured Loan Agreement Dated 30 July 2019 (1) Kea Shipowners Ltd Spetses Shipowners Ltd Hydra Shipowners Ltd (as Borrowers) (2) HSBC Bank plc (as Lender) Contents 1 Definitions and Interpretation 2 2 The Loan 21 3 Purpose 21 4 Conditions of Utilisation 21 5 Advance 23 6 Repayment 24 7 Illegality, Prepayment and Cancellation 25 8 Interest 28 9 Interest Periods 28 10 Chang

April 30, 2020 EX-13.1

Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.1 CHIEF EXECUTIVE OFFICER CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 In connection with this Annual Report of Euroseas Ltd. (the “Company”) on Form 20-F for the year ended December 31, 2019 as filed with the Securities and Exchange Commission (the “SEC”) on or about the date hereof (the “Report”), I, Aristides J. Pittas, Chief Executive Officer of the Company, certify, pursuant to

April 30, 2020 EX-4.20

Loan Agreement between Antwerp Shipping Ltd., Busan Shipping Ltd., Keelung Shipping Ltd. and Oakland Shipping Ltd., as borrowers, and Piraeus Bank S.A., as lender, for a term loan facility of up to US$32,000,000 dated November 8, 2019(13)

Exhibit 4.20 Private and Confidential DATED 8 November 2019 ANTWERP SHIPPING LTD IJUSAN SHIPPING LTD KEELUNG SHIPPING LTD and OAKLAND SHIPPING LTD (1) - and - PIRAEUS BANK S.A. (2) FACILITY AGREEMENT in respect of a loan of up to USD32,000,000 Ince PIRAEUS Index Clause Page 1 Purpose, definitions and construction 1 2 The Commitment and cancellation 18 3 Interest and Interest Periods 20 4 Repayment

April 29, 2020 SC 13G/A

ESEA / Euroseas Ltd. / Estate Of Fred H. Brenner Passive Investment

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.

April 1, 2020 CORRESP

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EUROSEAS LTD. 4 Messogiou & Evropis Street 151 24 Maroussi Greece April 2, 2020 BY EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Euroseas Ltd. Form F-3 (No. 333-237128) Ladies and Gentlemen: On March 30,2020, the undersigned registrant requested that the effectiveness of the above-captioned Form F-3 Registration Statemen

March 30, 2020 CORRESP

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EUROSEAS LTD. 4 Messogiou & Evropis Street 151 24 Maroussi Greece March 30, 2020 BY EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Euroseas Ltd. Form F-3 (No. 333-237128) Ladies and Gentlemen: The undersigned registrant hereby requests that the effectiveness of the above-captioned Form F-3 Registration Statement that was

March 27, 2020 F-3/A

ESEA / Euroseas Ltd. F-3/A - -

As filed with the Securities and Exchange Commission on March 27, 2020 Registration Statement No.

March 27, 2020 CORRESP

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Seward & Kissel llp 901 K STREET, NW WASHINGTON, D.C. 20001 TELEPHONE: (202) 737-8833 FACSIMILE: (202) 737-5184 WWW.SEWKIS.COM ONE BATTERY PARK PLAZA NEW YORK, NEW YORK 10004 TELEPHONE: (212) 574-1200 FACSIMILE: (212) 480-8421 March 27, 2020 Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Attention: Irene Barberena-Meissner Re: Euroseas Ltd. Amendment No. 1 to Registra

March 12, 2020 EX-4.5

Form of senior debt security indenture**

Exhibit 4.5 EUROSEAS LTD. FORM OF SENIOR INDENTURE Dated as of [ ], 20[ ] [ ] Trustee TABLE OF CONTENTS PAGE ARTICLE I DEFINITIONS AND INCORPORATION BY REFERENCE 1 SECTION 1.01. Definitions. 1 SECTION 1.02. Other Definitions. 5 SECTION 1.03. Incorporation by Reference of Trust Indenture Act. 5 SECTION 1.04. Rules of Construction. 6 ARTICLE II THE SECURITIES 6 SECTION 2.01. Issuable in Series. 6 SE

March 12, 2020 F-3

Form F-3

As filed with the Securities and Exchange Commission on March 12, 2020 Registration Statement No.

March 12, 2020 EX-4.6

Form of subordinated debt security indenture**

Exhibit 4.6 Euroseas Ltd. FORM OF SUBORDINATED INDENTURE Dated as of [ ], 20[ ] [ ] Trustee TABLE OF CONTENTS PAGE ARTICLE I DEFINITIONS AND INCORPORATION BY REFERENCE 1 SECTION 1.01. Definitions. 1 SECTION 1.02. Other Definitions. 5 SECTION 1.03. Incorporation by Reference of Trust Indenture Act. 5 SECTION 1.04. Rules of Construction. 5 ARTICLE II THE SECURITIES 5 SECTION 2.01. Issuable in Series

March 5, 2020 6-K

ESEA / Euroseas Ltd. 6-K - Current Report of Foreign Issuer -

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2020 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant's name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive offi

March 5, 2020 EX-99.1

AMENDED AND RESTATED STATEMENT OF DESIGNATION OF THE RIGHTS, PREFERENCES AND PRIVILEGES SERIES B CONVERTIBLE PERPETUAL PREFERRED SHARES EUROSEAS LTD.

Exhibit 99.1 AMENDED AND RESTATED STATEMENT OF DESIGNATION OF THE RIGHTS, PREFERENCES AND PRIVILEGES OF SERIES B CONVERTIBLE PERPETUAL PREFERRED SHARES OF EUROSEAS LTD. The undersigned, Mr. Aristides J. Pittas and Ms. Stefania Karmiri do hereby certify: 1. That they are the duly elected and acting Chief Executive Officer and Secretary, respectively, of Euroseas Ltd., a Marshall Islands corporation

February 19, 2020 6-K

ESEA / Euroseas Ltd. 6-K - Current Report of Foreign Issuer -

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

January 9, 2020 6-K

ESEA / Euroseas Ltd. 6-K - Current Report of Foreign Issuer -

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2020 Commission File Number: 001-33283 EUROSEAS LTD. (Translation of registrant’s name into English) 4 Messogiou & Evropis Street 151 24 Maroussi, Greece (Address of principal executive of

December 19, 2019 6-K

Exhibit 1 to our Report of Foreign Private Issuer on Form 6-K

Converted by EDGARwiz UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

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