Insider Trading & Ownership of Ioannis Kostogiannis

Location: Athens
Summary: The estimated net worth of Ioannis Kostogiannis is at least $392,441 dollars as of 18 Mar 2026. Ioannis Kostogiannis is the Director of StealthGas Inc. and owns shares of StealthGas Inc. (GASS) stock worth about $324.8K. Ioannis Kostogiannis is the Director of Imperial Petroleum Inc./Marshall Islands and owns shares of Imperial Petroleum Inc./Marshall Islands (IMPP) stock worth about $67.7K.
Signature: /s/ Nina Pyndiah, Attorney-in-Fact
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Ownership of Ioannis Kostogiannis

Symbol	Company	Relationship	Holdings Value	Report Period
GASS	StealthGas Inc.	Director	$324,754	18 Mar 2026
IMPP, IMPPP	Imperial Petroleum Inc./Marshall Islands	Director	$67,687	18 Mar 2026
CISS	C3is Inc.	Director		18 Mar 2026