Euroseas director buys 750 shares at $75.86

Rhea-AI Filing Summary

EUROSEAS LTD. (ESEA) director Aristeidis P. Pittas reported two indirect open‑market purchases of common stock on 2026-08-27 through Family United Navigation Co. Each transaction involved 375 shares at $75.8645 per share, for a total of 750 shares. The filing notes that interests in Family United Navigation Co. are 25% owned and effectively controlled by the reporting person in one case and by the reporting person’s spouse in the other, and that beneficial ownership is disclaimed except to the extent of respective pecuniary interests.

Insider Trade Summary

Net Buyer: 750 shares

Net Buy 2 txns

Insider Pittas Aristeidis P

Role Director

Bought 750 shs ($57K)

Type	Security	Shares	Price	Value
Purchase	Common stock F1	375	$75.8645	$28K
Purchase	Common stock F2	375	$75.8645	$28K

Holdings After Transaction: Common stock — 58,425 shares (Indirect, Family United Navigation Co.)

Footnotes (2)

1. F1. The Reporting Person owns a 25% interest and has effective control over voting and disposition of the shares owned by Family United Navigation Co. The Reporting Person disclaims beneficial ownership of the securities held by Family United Navigation Co. except to the extent of such reporting person's respective pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of the reported shares for purposes of Section 16 or for any other purpose.
2. F2. The Reporting person's spouse owns 25% interest and has effective control over voting and disposition of the shares owned by Family United Navigation Co. The Reporting Person disclaims beneficial ownership of the securities held by Family United Navigation Co. except to the extent of such reporting person's respective pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of the reported shares for purposes of Section 16 or for any other purpose.

Key Figures

Shares purchased (transaction 1): 375 shares of common stock Shares purchased (transaction 2): 375 shares of common stock Total shares purchased: 750 shares of common stock +3 more

6 metrics

Shares purchased (transaction 1) 375 shares of common stock Indirect open‑market purchase on 2026-08-27 through Family United Navigation Co.

Shares purchased (transaction 2) 375 shares of common stock Second indirect open‑market purchase on 2026-08-27 through Family United Navigation Co.

Total shares purchased 750 shares of common stock Sum of two indirect purchases reported on 2026-08-27

Purchase price per share $75.8645 per share Price for each of the two 375‑share purchases on 2026-08-27

Ownership interest 25% interest Reporting person owns a 25% interest in Family United Navigation Co. in one transaction

Spouse ownership interest 25% interest Reporting person’s spouse owns a 25% interest in Family United Navigation Co. in the other transaction

Key Terms

indirect ownership, pecuniary interest, beneficial ownership, Section 16

4 terms

indirect ownership financial

"reported as indirect ownership through Family United Navigation Co."

pecuniary interest financial

"except to the extent of such reporting person's respective pecuniary interest"

beneficial ownership financial

"disclaims beneficial ownership of the securities held by Family United Navigation Co."

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

Section 16 regulatory

"for purposes of Section 16 or for any other purpose"

Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions were reported for ESEA in this Form 4?

The Form 4 reports two indirect open‑market purchases of EUROSEAS LTD. common stock, each for 375 shares, on 2026-08-27, made through Family United Navigation Co. and attributed to director Aristeidis P. Pittas with disclaimers of beneficial ownership.

How many ESEA shares were bought in total and at what price?

In total, 750 shares of EUROSEAS LTD. common stock were purchased, in two equal blocks of 375 shares each, at a reported price of $75.8645 per share, with all transactions dated 2026-08-27.

Were the ESEA purchases made directly by Aristeidis P. Pittas?

No. The purchases were reported as indirect ownership through Family United Navigation Co. One 375‑share purchase relates to the reporting person’s 25% interest and effective control; the other relates to the spouse’s 25% interest and effective control in that entity.

Does the Form 4 state that the ESEA trades were under a Rule 10b5-1 plan?

No. The document-level Rule 10b5-1 checkbox is unchecked (false), and the footnotes do not state that these transactions were made pursuant to any Rule 10b5-1 trading plan.

What beneficial ownership disclaimer is included in this ESEA Form 4?

The filing states that the reporting person disclaims beneficial ownership of securities held by Family United Navigation Co. except to the extent of the respective pecuniary interest, and that including these shares should not be deemed an admission of beneficial ownership for Section 16 or any other purpose.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/28/2026 - 11:32 AM EDT Accepted by SEC EDGAR 08/28/2026 - 11:32 AM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Pittas Aristeidis P

(Last) (First) (Middle)

4 MESSOGEIOU & EVROPIS STREET

(Street)

MAROUSSI 151 24

(City) (State) (Zip)

GREECE

(Country)

2. Issuer Name and Ticker or Trading Symbol
EUROSEAS LTD. [ ESEA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/27/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common stock	08/27/2026		P		375(1)	A	$75.8645	58,425	I	Family United Navigation Co.
Common stock	08/27/2026		P		375(2)	A	$75.8645	58,425	I	Family United Navigation Co.

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The Reporting Person owns a 25% interest and has effective control over voting and disposition of the shares owned by Family United Navigation Co. The Reporting Person disclaims beneficial ownership of the securities held by Family United Navigation Co. except to the extent of such reporting person's respective pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of the reported shares for purposes of Section 16 or for any other purpose.

2. The Reporting person's spouse owns 25% interest and has effective control over voting and disposition of the shares owned by Family United Navigation Co. The Reporting Person disclaims beneficial ownership of the securities held by Family United Navigation Co. except to the extent of such reporting person's respective pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of the reported shares for purposes of Section 16 or for any other purpose.

	Aristides P. Pittas	08/28/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)