# EDGAR Filing Document

**Accession Number:** 0001328920
**File Stem:** 0001193125-26-071998
**Filing Date:** 2026-2
**Character Count:** 13069
**Document Hash:** 675a01f43b65f540bbc3827971015a0a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-071998.hdr.sgml**: 20260225

**ACCESSION NUMBER**: 0001193125-26-071998

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260225

**DATE AS OF CHANGE**: 20260225

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** StealthGas Inc.
- **CENTRAL INDEX KEY:** 0001328919
- **STANDARD INDUSTRIAL CLASSIFICATION:** DEEP SEA FOREIGN TRANSPORTATION OF FREIGHT [4412]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000
- **STATE OF INCORPORATION:** 1T
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-81487
- **FILM NUMBER:** 26679894

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 331 KIFISSIAS AVENUE
- **STREET 2:** ERITHREA 14561
- **CITY:** ATHENS
- **PROVINCE COUNTRY:** J3
- **BUSINESS PHONE:** 30 210 625 2849

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 331 KIFISSIAS AVENUE
- **STREET 2:** ERITHREA 14561
- **CITY:** ATHENS
- **PROVINCE COUNTRY:** J3
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Flawless Management Inc.
- **CENTRAL INDEX KEY:** 0001328920

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** 1T
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 331 KIFISSIAS AVENUE
- **STREET 2:** ERITHREA 14561
- **CITY:** ATHENS
- **PROVINCE COUNTRY:** J3
- **BUSINESS PHONE:** 30 210 625 2849

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 331 KIFISSIAS AVENUE
- **STREET 2:** ERITHREA 14561
- **CITY:** ATHENS
- **PROVINCE COUNTRY:** J3

### Attached PDF Documents

**Attachment 1:** `ck0000000000-ex99_1.pdf`

_No text found in this document._

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 9)**

**StealthGas Inc.**

*(Name of Issuer)*

**Common Stock, par value $0.01 per share**

*(Title of Class of Securities)*

**Y81669106**

*(CUSIP Number)*

**Harry N. Vafias**<br>c/o StealthGas Inc.<br>331 Kifissias Avenue, Kifissia<br>Athens J3 14561<br>011 30210 625 0001

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**02/23/2026**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **Y81669106** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Flawless Management Inc.** | Name of reporting person<br>**Flawless Management Inc.** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**1T** | Citizenship or place of organization<br>**1T** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**7105453.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**7105453.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**7105453.00** | Aggregate amount beneficially owned by each reporting person<br>**7105453.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**18.9%** | Percent of class represented by amount in Row (11)<br>**18.9%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

| **CUSIP No.** | **Y81669106** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Arethusa Properties LTD** | Name of reporting person<br>**Arethusa Properties LTD** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**D8** | Citizenship or place of organization<br>**D8** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**586020.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**586020.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**586020.00** | Aggregate amount beneficially owned by each reporting person<br>**586020.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**1.6%** | Percent of class represented by amount in Row (11)<br>**1.6%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

| **CUSIP No.** | **Y81669106** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Harry N. Vafias** | Name of reporting person<br>**Harry N. Vafias** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**J3** | Citizenship or place of organization<br>**J3** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**4721240.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**7691473.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**4721240.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**7691473.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**12412713.00** | Aggregate amount beneficially owned by each reporting person<br>**12412713.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**32.7%** | Percent of class represented by amount in Row (11)<br>**32.7%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** The number of shares beneficially owned by Harry N. Vafias with sole voting and dispositive power includes 745,000 restricted shares outstanding as of the date hereof, 390,000 shares issuable upon exercise of vested stock options, and 50,000 shares issuable upon exercise of stock options scheduled to vest within 60 days of the date hereof, and excludes 140,000 shares issuable upon exercise of unvested stock options scheduled to vest more than 60 days after the date hereof. Of these restricted shares, 125,000 vest on April 23, 2026, 150,000 vest on September 16, 2026, 90,000 vest on September 18, 2026, 145,000 vest on January 15, 2027, 90,000 vest on September 18, 2027, and 145,000 vest on January 15, 2028. Of these unvested stock options, 50,000 vest on September 16, 2026, 45,000 vest on January 15, 2027 and 45,000 vest on January 15, 2028. These restricted shares and unvested options remain subject to forfeiture if the time-based vesting conditions are not satisfied.

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock, par value $0.01 per share

**(b) Name of Issuer:**
StealthGas Inc.

**(c) Address of Issuer's Principal Executive Offices:**
331 Kifissias Avenue, Kifissia, Athens, J3, 14561

This Amendment No. 9 to the Statement on Schedule 13D originally filed on February 5, 2018, as amended by Amendment No. 1 on March 27, 2020, Amendment No. 2 on June 1, 2021, Amendment No. 3 on May 31, 2023, Amendment No. 4 on November 3, 2023, Amendment No. 5 on December 8, 2023, Amendment No. 6 on September 19, 2024, Amendment No. 7 on December 26, 2024, and Amendment No. 8 on September 22, 2025 (the "Schedule 13D") relates to the common stock, par value $0.01 per share ("Common Stock"), of StealthGas Inc., a Marshall Islands corporation (the "Company"), and is being filed pursuant to a Joint Filing Agreement (attached as Exhibit 1 and incorporated herein by reference) by and between Flawless Management Inc., a Republic of the Marshall Islands corporation ("Flawless"), Arethusa Properties LTD, a British Virgin Islands company ("Arethusa"), and Harry N. Vafias in his personal capacity (sometimes collectively referred to as the "Reporting Persons").

Information given in response to each item below shall be deemed incorporated by reference in all other items below. Unless indicated otherwise, all items left blank remain unchanged, and any items which are amended below are deemed to amend and update the existing items in the Schedule 13D

**Item 4. Purpose of Transaction**

See the response to Item 3, which is incorporated by reference herein. None of the Reporting Persons has any plans or proposals with respect to any material change in the Company's business or corporate structure or, generally, any other action referred to in instructions (a) through (j) of Item 4 of the form of Schedule 13D.

**Item 5. Interest in Securities of the Issuer**

**(a)**
See Items 11 and 13 on the cover pages to this Amendment No. 9 for the aggregate number and percentage of the class of Common Stock owned by each Reporting Person.

**(b)**
Number of shares as to which each Reporting Person has:

 i.        Sole power to vote or to direct the vote: See Item 7 on cover pages to this Statement.

 ii.       Shared power to vote or to direct the vote: See Item 8 on cover pages to this Statement.

 iii.      Sole power to dispose or direct the disposition: See Item 9 on cover pages to this Statement.

 iv.      Shared power to dispose or direct the disposition: See Item 10 on cover pages to this Statement.

**(c)**
Other than as set forth in response to Item 3 above, no other transactions in the Company's Common Stock by the Reporting Persons were effected in the past 60 days.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Flawless Management Inc.

**Signature:** /s/ Harry N. Vafias

**Name/Title:** Harry N. Vafias/President

**Date:** 02/25/2026

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Arethusa Properties LTD

**Signature:** /s/ Harry N. Vafias

**Name/Title:** Harry N. Vafias/President

**Date:** 02/25/2026

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Harry N. Vafias

**Signature:** /s/ Harry N. Vafias

**Name/Title:** Harry N. Vafias

**Date:** 02/25/2026