United Maritime Corp
USEA- Exchange
- Nasdaq
- Industry
- Water Transportation
- SEC CIK
- 0001912847
In the last 90 days, United Maritime Corp insiders filed 1 open-market purchase and 1 sale; 15 institutions reported holding it in 13F filings for Q2 2026, worth $1.61M in total; no superinvestor holds it.
Holders of 5% or more of USEA
Holders whose latest Schedule 13D or 13G filing reports 5% or more of United Maritime Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Tsantanis Stamatios | 13D/A | 14.62%1.39M shares | +1.64 ppfrom 12.98% | Apr 10, 20252 filings | Apr 8, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
2 Schedule 13D and 13G filings on United Maritime Corp, newest first, including old-format filings without a stake.
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell United Maritime Corp shares.
No Form 144 notices for United Maritime Corp are on file.