Harry Vafias - 18 Mar 2026 Form 3 Insider Report for StealthGas Inc. (GASS)

Signature
/s/ Nina Pyndiah, Attorney-in-Fact
Issuer symbol
GASS
Transactions as of
18 Mar 2026
Net transactions value
$0
Form type
3
Filing time
18 Mar 2026, 15:32:13 UTC

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Vafias Harry CEO, President & CFO, Director STEALTHGAS 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 GASS Common Stock 4,281,240 18 Mar 2026 Direct
holding GASS Common Stock 586,020 18 Mar 2026 By Arethusa Properties LTD F1
holding GASS Common Stock 7,105,453 18 Mar 2026 By Flawless Management Inc. F2

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 GASS Stock Option (Right to Buy) 18 Mar 2026 Common Stock 90,000 $7.89 Direct F3
holding GASS Stock Option (Right to Buy) 18 Mar 2026 Common Stock 100,000 $6.89 Direct F4
holding GASS Stock Option (Right to Buy) 18 Mar 2026 Common Stock 290,000 $6.43 Direct F5
holding GASS Stock Option (Right to Buy) 18 Mar 2026 Common Stock 100,000 $6.01 Direct F6
* 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 vest and become exercisable on January 15, 2027. The remaining 50% of the shares subject to such option vest and become exercisable on January 15, 2028, subject to the Reporting Person's continuous service to the Issuer on such date.
F4 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 September 16, 2026, subject to the Reporting Person's continuous service to the Issuer on such date.
F5 Fully vested.
F6 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 April 23, 2026, subject to the Reporting Person's continuous service to the Issuer on such date.

Remarks:

Exhibit 24 - Power of Attorney