Earnings in 2d
IMPP · NASDAQ · Oil & Gas Midstream

Imperial Petroleum

Operates tankers and bulk carriers for petroleum and dry-bulk seaborne transport.

$5.14
After-hours close−0.06 (−1.20%)
At close$5.20(+2.77%)

Breakdown13F · Form 4

Institutions 34.90%13.12M sharesInsiders 28.87%10.85M sharesOther 36.23%13.62M shares

Shares outstanding 37.59M · Float 23.95M · 63.7% free float

Top shareholders13F · 13D/G · Form 4

HolderShares% outstandingFormFiled
Harry Vafias · director, officer: CEO and President10.79M28.71%Form 4Aug 21, 2026
Anson Funds Management LP3.47M7.80%13GMay 15, 2026
Acadian Asset Management LLC1.84M4.89%13FMay 13, 2026
Empery Asset Management, LP877.6K2.33%13FMay 8, 2026
Deuterium Capital Management, LLC826.8K2.20%13FMay 14, 2026

Institutions13F, as of Mar 31, 2026

68 holders · 13.12M shares · 21 new positions · 42 increased · 16 reduced · 13 closed

HolderShares% outstandingChg q/qFiled
Anson Funds Management LP3.47M9.22%−893.1KMay 19, 2026
Acadian Asset Management LLC1.84M4.89%+662.9KMay 13, 2026
Empery Asset Management, LP877.6K2.33%−2.31MMay 8, 2026
Deuterium Capital Management, LLC826.8K2.20%−772.3KMay 14, 2026
Marshall Wace, LLP806.6K2.15%+777.2KMay 15, 2026
Peak6 LLC758.1K2.02%+184.8KMay 14, 2026
Renaissance Technologies LLC549.1K1.46%+314.8KMay 14, 2026
Susquehanna International Group, LLP381.0K1.01%−11.3KMay 15, 2026

Beneficial owners13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Harry N. Vafiasincl. Arethusa Properties LTD, Flawless Management Inc.31.90%14.27M13DJun 24, 2026
Anson Funds Management LP7.80%3.47M13GMay 15, 2026

InsidersForm 4

InsiderRoleShares% outstandingFiled
Harry Vafiasdirector, officer: CEO and President10.79M28.71%Aug 21, 2026
Ifigeneia Sakellariofficer: Interim CFO24.2K0.06%Mar 18, 2026
Georgios Xiradakisdirector19.4K0.05%Mar 18, 2026
Ioannis Kostogiannisdirector16.5K0.04%Mar 18, 2026

Latest trades

No open-market trades in the last 12 months.

CongressHouse and Senate disclosures

Not reported.