Harry Vafias - 18 Mar 2026 Form 3 Insider Report for Imperial Petroleum Inc./Marshall Islands (IMPP)

Role
CEO and President, Director
Signature
/s/ Nina Pyndiah, Attorney-in-Fact
Issuer symbol
IMPP
Transactions as of
18 Mar 2026
Net transactions value
$0
Form type
3
Filing time
18 Mar 2026, 16:01:44 UTC
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Vafias Harry CEO and President, Director IMPERIAL PETROLEUM INC., 331 KIFISSIAS AVENUE ERITHREA, ATHENS, GREECE /s/ Nina Pyndiah, Attorney-in-Fact 18 Mar 2026 0001328921

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding IMPP Common Stock 3,177,879 18 Mar 2026 Direct
holding IMPP Common Stock 3,307,452 18 Mar 2026 By Arethusa Properties LTD F1
holding IMPP Common Stock 6,991,255 18 Mar 2026 By Flawless Management Inc. F2
holding IMPP 8.75% Series A Cumulative Redeemable Perp. Preferred Stock 24,033 18 Mar 2026 Direct
holding IMPP 8.75% Series A Cumulative Redeemable Perp. Preferred Stock 28,146 18 Mar 2026 By Arethusa Properties LTD F1
holding IMPP 8.75% Series A Cumulative Redeemable Perp. Preferred Stock 148,030 18 Mar 2026 By Flawless Management Inc. F2
holding IMPP Series B Preferred Stock 16,000 18 Mar 2026 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding IMPP Stock Option (Right to Buy) 18 Mar 2026 Common Stock 234,375 $3.20 Direct F3
holding IMPP Stock Option (Right to Buy) 18 Mar 2026 Common Stock 299,003 $3.01 Direct F4
holding IMPP Stock Option (Right to Buy) 18 Mar 2026 Common Stock 50,000 $3.60 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares held by Arethusa Properties LTD ("Arethusa"). The Reporting Person controls Arethusa and may be deemed to beneficially own the securities held by Arethusa by virtue of such control. The Reporting Person disclaims beneficial ownership of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose.
F2 Shares held by Flawless Management Inc. ("Flawless"). The Reporting Person controls Flawless and may be deemed to beneficially own the securities held by Flawless by virtue of such control. The Reporting Person disclaims beneficial ownership of such securities for purposes of Section 16 of the Exchange Act, except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose.
F3 50% of the shares subject to such option are vested and exercisable. The remaining 50% of the shares subject to such option vest and become exercisable on January 8, 2027, subject to the Reporting Person's continuous service to the Issuer on such date.
F4 50% of the shares subject to such option are vesting and become exercisable on August 8, 2026. The remaining 50% of the shares subject to such option vest and become exercisable August 8, 2027, subject to the Reporting Person's continuous service to the Issuer on such date.

Remarks:

Exhibit 24 - Power of Attorney