CMDB · Insider trading · 13F holders · Congress trades
Costamare Bulkers Holdings Ltd (CMDB)
Who is buying and selling CMDB: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 1
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $443K
- Congress trades, 12 months
- 0
CMDB at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 CMDB insider filed 1 sale worth $443K on SEC Form 4, and no open-market purchases.
- 1 13F filer hold CMDB among their 50 largest positions, worth $4.9M combined. The biggest bets by portfolio weight are Oceanic Investment Management LTD (6.3%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
- No member of Congress has disclosed a trade in CMDB.
- CMDB last closed at $20.02 on Oct 29, 2026.
CMDB insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 CMDB insider filed 1 sale worth $443K on SEC Form 4, and no open-market purchases.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Aug 7, 2026 | Zikos Grigorios | Chief Executive Officer, Director | Sale | 24,203 | $18.30 | $443K | SEC |
Who owns CMDB? Hedge funds and superinvestors
1 13F filer hold CMDB among their 50 largest positions, worth $4.9M combined. The biggest bets by portfolio weight are Oceanic Investment Management LTD (6.3%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Oceanic Investment Management LTDHedge fund | 6.3% | $4.9M | 277,778 | +8.6% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 1). Screen CMDB in the grand portfolio →
CMDB stock trades by members of Congress
No member of Congress has disclosed a trade in CMDB.
CMDB questions and answers
Are insiders buying CMDB stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 CMDB insider filed 1 sale worth $443K on SEC Form 4, and no open-market purchases.
Which hedge funds own CMDB?
1 13F filer hold CMDB among their 50 largest positions, worth $4.9M combined. The biggest bets by portfolio weight are Oceanic Investment Management LTD (6.3%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
Has Congress traded CMDB?
No member of Congress has disclosed a trade in CMDB.
Who is the largest holder of CMDB?
Among 13F filers, Oceanic Investment Management LTD reports the largest CMDB position, $4.9M (277,778 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Oceanic Investment Management LTD's: 6.3% of its portfolio.
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