Grigorios Zikos
Chief Executive Officer, Director · Costamare Bulkers Holdings Ltd
- 2026
- Aug 7, 2026
- 2
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Grigorios Zikos files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Katerina Eleftheriou - $982 in CMDB purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Grigorios Zikos?
Grigorios Zikos is a corporate insider, tracked as Chief Executive Officer, Director of Costamare Bulkers Holdings Ltd (CMDB). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Grigorios Zikos submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Has Grigorios Zikos been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($1.36M) across all tracked filings.