Euroseas linked entity sells 500 shares at $70.20

EUROSEAS LTD. reported that Family United Navigation Co., an entity associated with vice chairman Aristeidis P. Pittas, completed open-market sales of a total of 500 common shares at $70.20 per share on April 14, 2026.

Rhea-AI Filing Summary

EUROSEAS LTD. reported that Family United Navigation Co., an entity associated with vice chairman Aristeidis P. Pittas, completed open-market sales of a total of 500 common shares at $70.20 per share on April 14, 2026. After these transactions, 57,800 common shares are reported as indirectly held through Family United Navigation Co.

The filing notes that Pittas and his spouse each own a 25% interest and have effective control over voting and disposition of Family United Navigation Co.’s shares, while Pittas disclaims beneficial ownership beyond his economic interest for Section 16 purposes.

Insider Trade Summary

Net Seller: 500 shares

Net Sell 2 txns

Insider Pittas Aristeidis P

Role Vice Chairman

Sold 500 shs ($35K)

Type	Security	Shares	Price	Value
Sale	Common stock	250	$70.20	$18K
Sale	Common stock	250	$70.20	$18K

Holdings After Transaction: Common stock — 57,800 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 sold: 500 shares Sale price per share: $70.20 per share Shares after transaction: 57,800 shares +1 more

4 metrics

Shares sold 500 shares Open-market sales of common stock on April 14, 2026

Sale price per share $70.20 per share Common stock sales on April 14, 2026

Shares after transaction 57,800 shares Indirect holdings via Family United Navigation Co. after sales

Number of sale transactions 2 transactions Two identical open-market sales of 250 shares each

Key Terms

open-market sale, indirect ownership, beneficial ownership, Section 16, +1 more

5 terms

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

indirect ownership financial

""direct_or_indirect": "I", "nature_of_ownership": "Family United Navigation Co.""

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

"shall not be deemed an admission of beneficial ownership of the reported shares for purposes of Section 16"

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.

pecuniary interest financial

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

FAQ

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

What insider transaction did EUROSEAS (ESEA) report for Aristeidis P. Pittas?

EUROSEAS reported that an entity associated with vice chairman Aristeidis P. Pittas, Family United Navigation Co., sold 500 common shares in open-market transactions at $70.20 per share. These are indirect holdings rather than shares held directly by Pittas personally.

How many EUROSEAS (ESEA) shares were sold and at what price?

A total of 500 EUROSEAS common shares were sold in two identical transactions of 250 shares each at $70.20 per share. Both were coded as open-market sales, indicating routine trading activity through the market rather than a private negotiated block.

What are Aristeidis P. Pittas’ indirect holdings in EUROSEAS (ESEA) after the sale?

Following the reported sales, 57,800 EUROSEAS common shares are shown as indirectly held through Family United Navigation Co. This figure reflects the position after the 500-share disposition and provides context for the relatively small size of the reported sale.

Who actually holds the EUROSEAS (ESEA) shares reported in this Form 4?

The shares are held by Family United Navigation Co., not directly by Aristeidis P. Pittas. The filing states that Pittas and his spouse each own a 25% interest and have effective control over voting and disposition of that entity’s EUROSEAS shares.

Does Aristeidis P. Pittas claim full beneficial ownership of these EUROSEAS (ESEA) shares?

No. Pittas disclaims beneficial ownership of the securities held by Family United Navigation Co. except to the extent of his pecuniary interest. The filing notes this disclaimer applies for Section 16 and any other similar beneficial ownership determinations.

What type of insider transaction code appears in the EUROSEAS (ESEA) Form 4?

The transactions use code “S”, described as a sale in an open market or private transaction. Here, they are characterized as open-market sales of common stock, indicating straightforward selling activity rather than option exercises, gifts, or tax-related withholding.

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

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Accepted by SEC EDGAR 04/15/2026 - 02:00 PM 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
X	Officer (give title below)		Other (specify below)
	Vice Chairman

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/14/2026

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	04/14/2026		S		250	A	$70.2	57,800(1)	I	Family United Navigation Co.
Common stock	04/14/2026		S		250	A	$70.2	57,800(2)	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	04/15/2026
	** 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)