Investor Konstantakopoulos Konstantinos
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Konstantakopoulos Konstantinos . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

Date Form Target Prev
Shares
Current
Shares
Change
(Percent)
Ownership
(Percent)
Change
(Percent)
2025-08-28 13D/A CMDB / Costamare Bulkers Holdings Limited 6,933,667 7,203,559
2025-08-04 13G/A SHIP / Seanergy Maritime Holdings Corp. 2,218,949 2,763,596
2025-05-06 13D CMDB / Costamare Bulkers Holdings Limited 6,933,667
2025-03-13 13G/A SHIP / Seanergy Maritime Holdings Corp. 1,839,220 2,218,949
2025-01-08 13G SHIP / Seanergy Maritime Holdings Corp. 1,500,205 1,839,220
2024-08-09 13G SHIP / Seanergy Maritime Holdings Corp. 1,021,442 1,500,205
2024-05-08 13D/A CMRE / Costamare Inc. 32,876,391 34,550,941
2024-04-09 13G/A SHIP / Seanergy Maritime Holdings Corp. 1,265,847 1,021,442
2024-02-14 13G/A SHIP / Seanergy Maritime Holdings Corp. 1,265,847
2023-08-04 13D/A CMRE / Costamare Inc. 32,801,591 32,876,391
2023-07-05 13G SHIP / Seanergy Maritime Holdings Corp. 1,017,595
2023-06-23 13D/A CMRE / Costamare Inc. 31,472,162 32,801,591
2023-01-31 13G/A TNP / Tsakos Energy Navigation Limited 1,462,452 54,737
2022-10-13 13D/A CMRE / Costamare Inc. 30,205,473 31,472,162
2022-09-29 13G/A TNP / Tsakos Energy Navigation Limited 2,348,213 1,462,452
2022-08-11 13D/A CMRE / Costamare Inc. 29,530,536 30,205,473
2022-06-09 13D/A CMRE / Costamare Inc. 26,166,507 29,530,536
2022-01-21 13G/A TNP / Tsakos Energy Navigation Limited 2,198,213 2,348,213
2022-01-14 13G/A TNP / Tsakos Energy Navigation Limited 1,943,795 2,198,213
2021-11-12 13G TNP / Tsakos Energy Navigation Limited 1,943,795
2019-07-18 13D/A CMRE / Costamare Inc. 222,497,111 26,166,507
2018-11-26 13D/A CMRE / Costamare Inc. 208,632,311 22,249,711
2018-01-18 13D/A CMRE / Costamare Inc. 197,002,061 20,863,231
2017-03-14 13D CMRE / Costamare Inc. 19,338,463 19,700,206
2017-02-09 13G/A CMRE / Costamare Inc. 7,075,083 19,338,463
2016-02-02 13G/A CMRE / Costamare Inc. 7,075,083
2013-02-08 13G/A CMRE / Costamare Inc. 16,149,999
2012-02-08 13G/A CMRE / Costamare Inc. 15,666,666