Costamare Bulkers Holdings LTD

Form 413D13G

Insider Trading (Form 4)

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Grigorios Zikos, Chief Executive Officer and a Director of Costamare Bulkers Holdings Ltd, sold 24,203 shares of common stock on August 6, 2026 for $18.30 per share.
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Katerina Eleftheriou, a director at Costamare Bulkers Holdings Ltd, purchased 65 shares of common stock for $15.11 per share.

Schedule 13D - Activist Investments

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Achillefs Konstantakopoulos and Costamare Shipping Services Ltd. have jointly filed a Schedule 13D, revealing a combined beneficial ownership of 20.5% in Costamare Bulkers Holdings Limited.
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Konstantinos Konstantakopoulos and affiliated entities increased their beneficial ownership in Costamare Bulkers Holdings Ltd. to 30.9% through recent share acquisitions and service agreements.
Better than expected
NYSE
Konstantinos Konstantakopoulos and affiliated entities have increased their beneficial ownership in Costamare Bulkers Holdings Ltd to 29.7% through recent share acquisitions.
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Konstantinos Konstantakopoulos and affiliated entities have filed a Schedule 13D, revealing beneficial ownership of 28.6% of Costamare Bulkers Holdings Ltd. common stock following a pro-rata dividend distribution from Costamare Inc.

Schedule 13G - Passive Investments

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Achillefs Konstantakopoulos and Costamare Shipping Services Ltd. have reported an aggregate beneficial ownership of 23.0% in Costamare Bulkers Holdings Ltd. as of June 30, 2026.
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Dimensional Fund Advisors LP has reported a 6.1% beneficial ownership stake in Costamare Bulkers Holdings Ltd, holding 1,465,556 shares of common stock.
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Christos Konstantakopoulos has disclosed a significant beneficial ownership of 15.7% in Costamare Bulkers Holdings Ltd, holding 3,810,317 shares of common stock.
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Achillefs Konstantakopoulos and Costamare Shipping Services Ltd. have filed a Schedule 13G, disclosing beneficial ownership of 18.7% and 2.9% respectively, in Costamare Bulkers Holdings Ltd.