Imperial Petroleum (NASDAQ: IMPP) reports insider stock trades

Rhea-AI Filing Summary

Imperial Petroleum Inc./Marshall Islands (symbol: IMPP) is the issuer of record for a Form 4 filing submitted to the SEC.

Insider Trade Summary

Net Buyer: 149,502 shares

Net Buy 4 txns

Insider Vafias Harry

Role CEO and President

Type	Security	Shares	Price	Value
Exercise	Stock Option (Right to Buy) F3	149,502	$0.00	$0.00
Exercise	Common Stock	149,502	$3.01	$450K
holding	Common Stock F1	--	--	--
holding	Common Stock F2	--	--	--

Holdings After Transaction: Stock Option (Right to Buy) — 149,501 shares (Direct); Common Stock — 3,801,008 shares (Direct); Common Stock — 3,307,452 shares (Indirect, By Arethusa Properties LTD); Common Stock — 6,991,255 shares (Indirect, By Flawless Management Inc.)

Footnotes (3)

1. 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.
2. 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.
3. F3. 50% of the shares subject to such option are vested and became 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.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/21/2026 - 04:10 PM Accepted by SEC EDGAR 08/21/2026 - 04:10 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Vafias Harry

(Last) (First) (Middle)

IMPERIAL PETROLEUM INC.

331 KIFISSIAS AVENUE KIFISSIA

(Street)

ATHENS GREECE 14561

(City) (State) (Zip)

GREECE

(Country)

2. Issuer Name and Ticker or Trading Symbol
Imperial Petroleum Inc./Marshall Islands [ IMPP ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CEO and President

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/21/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/21/2026		M		149,502	A	$3.01	3,801,008	D
Common Stock								3,307,452	I	By Arethusa Properties LTD(1)
Common Stock								6,991,255	I	By Flawless Management Inc.(2)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$3.01	08/21/2026		M			149,502	(3)	08/08/2035	Common Stock	149,502	$0	149,501	D

Explanation of Responses:

1. 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.

2. 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.

3. 50% of the shares subject to such option are vested and became 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.

	/s/ Harry Vafias	08/21/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)