Imperial Petroleum Inc. (IMPP)
Nasdaq: IMPP · Deep Sea Foreign Transportation of Freight · Athens · filing with the SEC since 2021
Who owns Imperial Petroleum Inc.
As filed with the SECHolders of 5% or more
1
Harry N. Vafias holds 31.9% of Common Stock, par value $0.01 per share, as its SCHEDULE 13D/A filed Jun 24, 2026 says.
Directors and officers
4
report now, of 4 people on the record since 2026. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 1 named at left.
Holders of 5% or moreshare of the class, as filed
Harry N. Vafias
SCHEDULE 13D/A · filed Jun 24, 2026 · Common Stock, par value $0.01 per share · 29.6% in Dec 3, 2025
Empery Asset Management, LP
SCHEDULE 13G/A · filed Apr 15, 2026 · Common Stock, $0.01 par value per share · reported falling below 5%, from 7.13% in Jan 28, 2026
Wexford Capital LP
SCHEDULE 13G/A · filed Sep 29, 2025 · Common Stock, par value $0.01 per share · reported falling below 5%, from 5.93% in May 7, 2025
Anson Funds Management LP
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock, $0.01 par value per share · reported falling below 5%, from 7.8% in May 15, 2026
What IMPP reports owning in othersstakes of 5% or more, and other ties
C3is Inc. CISS
SCHEDULE 13D/A · filed Aug 28, 2026 · Common Stock, par value $0.01 per share
27 subsidiaries in 2 countries, from the list filed with the 20-F filed Apr 29, 2026.
Insider tradesForm 4
0sales
0purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Oct 21, 2025 to Oct 21, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
No open-market trade is on the record for these years.
Dollars as filed, summed by the transaction date.
People who traded in the window
No one on the roster filed an open-market trade in the window.