Comparable stake leader
Aristeidis J. Pittas
SEC ownership of EUROSEAS LTD.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001341170.
Disclosed value leader
Aristeidis J. Pittas
Comparable rows
0/50
Latest evidence
01 Sep 2026
- Public ticker
- ESEA on Nasdaq
- Parsed ownership sources
-
3/4/5 and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Aristeidis J. Pittas
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
01 Sep 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001341170
- Issuer location
- 151 25 Maroussi, Greece
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of EUROSEAS LTD. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Aristeidis J. Pittas
Disclosed value leader
Aristeidis J. Pittas
Comparable rows
0/50
Latest evidence
01 Sep 2026
3/4/5
13F
Highest disclosed value: $88,957,637
50 rows are not safely comparable across share classes.
Showing 1-8 of 50 holder rows.
Quick read
Aristeidis J. Pittas has the largest disclosed position value at $88.96M.
0 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Aristeidis J. Pittas's linked filing trail.
Disclosed position value
Top 5
Aristeidis J. Pittas
$88.96M
Aristeidis P. Pittas
$29.38M
ACADIAN ASSET MANAGEMENT LLC
$5.25M
TWO SIGMA INVESTMENTS, LP
$4.49M
RENAISSANCE TECHNOLOGIES LLC
$4.34M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Aristeidis J. Pittas |
3/4/5
Chief Executive Officer, Director
|
—
class O/S missing
|
$88,957,637
1,357,303 shares
|
— | 18 Mar 2026 |
| Aristeidis P. Pittas |
3/4/5
Director
|
—
class O/S missing
|
$29,377,265
515,291 shares
|
+$125,589 | 27 Aug 2026 |
| ACADIAN ASSET MANAGEMENT LLC |
13F
Company
|
—
class O/S missing
|
$5,251,000
79,313 shares
|
— | 30 Jun 2026 |
| TWO SIGMA INVESTMENTS, LP |
13F
Company
|
—
class O/S missing
|
$4,486,081
67,592 shares
|
— | 30 Jun 2026 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
—
class O/S missing
|
$4,344,912
65,465 shares
|
— | 30 Jun 2026 |
| George Taniskidis |
3/4/5
Director
|
—
class O/S missing
|
$2,817,905
51,610 shares
|
— | 18 Mar 2026 |
| Anastasios Aslidis |
3/4/5
Chief Financial Officer, Director
|
—
class O/S missing
|
$2,316,271
33,254 shares
|
-$70,820 | 14 Apr 2026 |
| MORGAN STANLEY |
13F
Company
|
—
class O/S missing
|
$2,299,873
34,652 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$38,281.
Buys
$125,589
Insiders: 1
Sells
$163,870
Insiders: 3
Net
-$38,281
Shares: -450
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 1,750
Shares: 2,200
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 750 | 950 | $56,898 | $75,050 | -$18,152 |
| 3-6 | 1,000 | 1,250 | $68,690 | $88,820 | -$20,130 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-8 of 8 reporting-owner rows connected to EUROSEAS LTD.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
8
Largest Forms 3/4/5 holder
Aristeidis J. Pittas
Net 12M change
-$38,281
Latest report
01 Sep 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Aristeidis J. Pittas | Chief Executive Officer, Director | $88,957,637 | Mixed | 18 Mar 2026 | ||
| Aristeidis P. Pittas | Director | $29,377,265 | +$125,589 | +0.43% | Mixed | 27 Aug 2026 |
| George Taniskidis | Director | $2,817,905 | Mixed | 18 Mar 2026 | ||
| Anastasios Aslidis | Chief Financial Officer, Director | $2,316,271 | -$70,820 | -3% | Mixed | 14 Apr 2026 |
| Panagiotis Kyriakopoulos | Director | $950,330 | Mixed | 18 Mar 2026 | ||
| Apostolos Tamvakakis | Director | $776,124 | Mixed | 18 Mar 2026 | ||
| Symeon Pariaros | Chief Administrative Officer | $150,100 | -$75,050 | -33% | Filing P/S | 01 Sep 2026 |
| Stefania Karmiri | Corporate Secretary | $0 | -$18,000 | -100% | Mixed | 16 Apr 2026 |
Recent insider transactions for EUROSEAS LTD.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Symeon Pariaros | ESEA | Common stock | Sale | -33.3% | $75,050 | $79.00 | -950 | 1,900 | 01 Sep 2026 | Direct |
| Aristeidis P. Pittas | ESEA | Common stock | Purchase | 1.3% | $56,898 | $75.86 | 750 | 58,425 | 27 Aug 2026 | Family United Navigation Co. |
| Aristeidis P. Pittas | ESEA | Common stock | Purchase | 0.87% | $33,590 | $67.18 | 500 | 58,050 | 11 Jun 2026 | Family United Navigation Co. |
| Stefania Karmiri | ESEA | Common stock | Sale | -100% | $18,000 | $72.00 | -250 | 0 | 16 Apr 2026 | Direct |
| Anastasios Aslidis | ESEA | Common Stock | Purchase | -3.72% | $70,820 | $70.82 | -1,000 | 25,910 | 14 Apr 2026 | Direct |
| Aristeidis P. Pittas | ESEA | Common stock | Sale | 0.87% | $35,100 | $70.20 | 500 | 57,800 | 14 Apr 2026 | Family United Navigation Co. |
* marks a reported price that did not pass the local price check.