How many Euroseas (ESEA) shares does the related entity hold after the transaction?

After the reported open-market purchases, Family United Navigation Co. holds 58,050 Euroseas common shares. This figure comes directly from the post-transaction holdings column in the Form 4, which shows the updated position for the indirectly owned common stock.

What price was paid per Euroseas (ESEA) share in the reported insider purchase?

The reported open-market purchases were executed at an average price of $67.1805 per Euroseas common share. Both transactions on the same date used this price, according to the Form 4 transaction details for the indirectly owned common stock.

Entity tied to Euroseas (NASDAQ: ESEA) director buys 500 common shares

Filing Impact

(Neutral)

Filing Sentiment

(Positive)

Form Type

Rhea-AI Filing Summary

EUROSEAS LTD. director Aristeidis P. Pittas reported an indirect open-market purchase of common stock through Family United Navigation Co. The entity bought a total of 500 shares at a price of $67.1805 per share, bringing its reported holdings to 58,050 shares. Pittas and his spouse each own a 25% interest in Family United Navigation Co. and disclaim beneficial ownership beyond their respective pecuniary interests.

Insider Trade Summary

Net Buyer: 500 shares ($33,590)

Net Buy 2 txns

Insider Pittas Aristeidis P

Role null

Bought 500 shs ($34K)

Type	Security	Shares	Price	Value
Purchase	Common stock	250	$67.1805	$17K
Purchase	Common stock	250	$67.1805	$17K

Holdings After Transaction: Common stock — 58,050 shares (Indirect, Family United Navigation Co.)

Footnotes (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. 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: 500 shares Purchase price: $67.1805 per share Shares after transaction: 58,050 shares +3 more

6 metrics

Shares purchased 500 shares Total common stock bought in two open-market trades

Purchase price $67.1805 per share Open-market purchase price for Euroseas common stock

Shares after transaction 58,050 shares Family United Navigation Co. indirect holdings post-transaction

Number of buy transactions 2 transactions Both coded as open-market purchases of common stock

Ownership interest of Pittas 25% interest Reporting person’s interest in Family United Navigation Co.

Spouse ownership interest 25% interest Spouse’s interest in Family United Navigation Co.

Key Terms

open-market purchase, indirect ownership, pecuniary interest, Section 16

4 terms

open-market purchase financial

"transaction_action: open-market purchase"

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

indirect ownership financial

"direct_or_indirect: I, ownership_type: indirect"

pecuniary interest financial

"disclaims beneficial ownership... except to the extent of such reporting person's respective pecuniary interest"

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.

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Form 4 Insider Transactions: What Each Field Means →

06/12/2026 - 07:01 AM

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)
06/11/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common stock	06/11/2026		P		250⁽¹⁾	A	$67.1805	58,050	I	Family United Navigation Co.
Common stock	06/11/2026		P		250⁽²⁾	A	$67.1805	58,050	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

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	06/12/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Euroseas (ESEA) report in this Form 4?

Euroseas reported an indirect open-market purchase of 500 common shares at $67.1805 per share. The shares were acquired by Family United Navigation Co., an entity associated with director Aristeidis P. Pittas, and increased that entity’s reported holdings to 58,050 shares.

Who is the reporting person in the Euroseas (ESEA) Form 4 filing?

The reporting person is Aristeidis P. Pittas, a director of Euroseas Ltd. The reported transactions reflect shares held indirectly through Family United Navigation Co., rather than shares held directly in his personal name, as disclosed in the ownership details and related footnotes.

How is ownership of the Euroseas (ESEA) shares structured for this Form 4?

The shares are held indirectly through Family United Navigation Co., noted as the nature of ownership. Footnotes explain that Aristeidis P. Pittas and his spouse each own a 25% interest and that beneficial ownership is disclaimed except for their respective pecuniary interests.