# EDGAR Filing Document

**Accession Number:** 0001031623
**File Stem:** 0001140361-26-001097
**Filing Date:** 2026-1
**Character Count:** 12004
**Document Hash:** 8a6671100b57d47e7d50295617b6c568
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-001097.hdr.sgml**: 20260113

**ACCESSION NUMBER**: 0001140361-26-001097

**CONFORMED SUBMISSION TYPE**: POS AM

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260113

**DATE AS OF CHANGE**: 20260113

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** GULF ISLAND FABRICATION INC
- **CENTRAL INDEX KEY:** 0001031623
- **STANDARD INDUSTRIAL CLASSIFICATION:** FABRICATED STRUCTURAL METAL PRODUCTS [3440]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 721147390
- **STATE OF INCORPORATION:** LA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** POS AM
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-273975
- **FILM NUMBER:** 26530419

**BUSINESS ADDRESS:**
- **STREET 1:** 2170 BUCKTHORNE PL
- **STREET 2:** SUITE 420
- **CITY:** THE WOODLANDS
- **STATE:** TX
- **ZIP:** 77380
- **BUSINESS PHONE:** 713-714-6123

**MAIL ADDRESS:**
- **STREET 1:** 2170 BUCKTHORNE PL
- **STREET 2:** SUITE 420
- **CITY:** THE WOODLANDS
- **STATE:** TX
- **ZIP:** 77380
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Gulf Island, L.L.C.
- **CENTRAL INDEX KEY:** 0001828794

**ORGANIZATION NAME:**
- **EIN:** 721461143
- **STATE OF INCORPORATION:** LA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** POS AM
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-273975-01
- **FILM NUMBER:** 26530421

**BUSINESS ADDRESS:**
- **STREET 1:** 2170 BUCKTHORNE PL
- **STREET 2:** SUITE 420
- **CITY:** THE WOODLANDS
- **STATE:** TX
- **ZIP:** 77380
- **BUSINESS PHONE:** (713) 714-6100

**MAIL ADDRESS:**
- **STREET 1:** 2170 BUCKTHORNE PL
- **STREET 2:** SUITE 420
- **CITY:** THE WOODLANDS
- **STATE:** TX
- **ZIP:** 77380
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Gulf Island Services, L.L.C.
- **CENTRAL INDEX KEY:** 0001828793

**ORGANIZATION NAME:**
- **EIN:** 720890896
- **STATE OF INCORPORATION:** LA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** POS AM
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-273975-02
- **FILM NUMBER:** 26530420

**BUSINESS ADDRESS:**
- **STREET 1:** 2170 BUCKTHORNE PL
- **STREET 2:** SUITE 420
- **CITY:** THE WOODLANDS
- **STATE:** TX
- **ZIP:** 77380
- **BUSINESS PHONE:** (713) 714-6100

**MAIL ADDRESS:**
- **STREET 1:** 2170 BUCKTHORNE PL
- **STREET 2:** SUITE 420
- **CITY:** THE WOODLANDS
- **STATE:** TX
- **ZIP:** 77380

#### As filed with the U.S. Securities and Exchange Commission on January 13, 2026

#### Registration Statement No. 333-273975

#### Registration Statement No. 333-144672

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### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

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#### <br>

#### POST-EFFECTIVE AMENDMENT NO. 1 TO:

#### FORM S-3 REGISTRATION STATEMENT NO. 333-273975

#### FORM S-3 REGISTRATION STATEMENT NO. 333-144672

#### UNDER THE SECURITIES ACT OF 1933

#### <br>

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## Gulf Island Fabrication, Inc.

#### (Exact name of registrant as specified in its charter)

#### <br>

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---

| | |
|:---|:---|
| **Louisiana** | **72-1147390** |
| **(State or other jurisdiction of incorporation or organization)** | **(I.R.S. Employer Identification No.)** |

---

#### 2170 Buckthorne Place, Suite 420

#### The Woodlands, Texas 77380
(713) 714-6100

#### (Address, including zip code, and telephone number, including area code, of registrants' principal executive offices)

#### <br>

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#### Richard W. Heo

#### President, Chief Executive Officer and Chairman of the Board<br>

#### 2170 Buckthorne Place, Suite 420

#### The Woodlands, Texas 77380
(713) 714-6100

#### (Name, address, including zip code, and telephone number, including area code, of agent for service)

#### <br>

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#### Copies to:

#### Alezandra C. Layfield

#### Thomas D. Kimball

#### Jones Walker LLP

#### 445 North Boulevard, Suite 800

#### Baton Rouge, Louisiana 70802-5742
(225) 248-2000

#### <br>

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#### Approximate date of commencement of proposed sale to the public: Not applicable
If the only securities being registered on this Form are being offered pursuant to dividend or interest reinvestment plans, please check the following box: ☐

If any of the securities being registered on this Form are being offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, other than securities offered only in connection with dividend or interest reinvestment plans, check the following box: ☐

If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐

If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐

If this Form is a registration statement pursuant to General Instruction I.D. or a post-effective amendment thereto that shall become effective upon filing with the Commission pursuant to Rule 462(e) under the Securities Act, check the following box. ☐

If this Form is a post-effective amendment to a registration statement filed pursuant to General Instruction I.D. filed to register additional securities or additional classes of securities pursuant to Rule 413(b) under the Securities Act, check the following box. ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company" and "emerging growth company" in Rule 12b-2 of the Exchange Act.

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| | | | |
|:---|:---|:---|:---|
| Large accelerated filer | ☐ | Accelerated filer | ☐ |
| Non-accelerated filer | ☒ | Smaller reporting company | ☒ |
|  |  | Emerging growth company | ☐ |

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If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of Securities Act. ☐

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#### TABLE OF ADDITIONAL REGISTRANT GUARANTORS
The following wholly-owned subsidiaries of Gulf Island Fabrication, Inc. are hereby deemed to be a registrant with respect to the Registration Statement on Form S-3 (File No. 333-273975).

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| | | |
|:---|:---|:---|
| Exact Name of Registrant as Specified in Its Charter<sup>(1)</sup> | **State or Other**<br> **Jurisdiction of**<br> **Incorporation or**<br> **Organization**<br>| **I.R.S. Employer**<br> **Identification**<br> **Number**<br>|
| Gulf Island, L.L.C. | Louisiana | 72-1461143 |
| Gulf Island Services, L.L.C. | Louisiana | 72-0890896 |

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1) The address and telephone number of the principal executive office for the additional registrants is c/o Gulf Island Fabrication, Inc., 2170 Buckthorne Place, Suite 420, The Woodlands,
 Texas 77380, telephone number (713) 714-6100.

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#### EXPLANATORY NOTE

#### DEREGISTRATION OF SECURITIES

This Post-Effective Amendment No. 1 (this "**Post-Effective Amendment**") relates to the following Registration Statements on Form S-3 (collectively, the "**Registration Statements**"):

1. Registration on Form S-3 (File No. 333-273975) filed by Gulf Island Fabrication, Inc. (the "**Registrant**"), Gulf Island, L.L.C. ("**GI LLC**") and Gulf Island Services, L.L.C. ("**GI Services LLC**" and, together with GI LLC, the "**Additional Registrants**" and, the Additional Registrants collectively with the Registrant, the "**Registrants**") with the U.S. Securities and Exchange Commission (the "**SEC**") on August 14, 2023, which was declared effective on August 24, 2023, registering the offer and sale of up to $200 million in the aggregate of the Registrant's common stock, no par value per share (the "**Common Stock**"), shares of preferred stock, debt securities, warrants, units and right and guarantees by the Additional Registrants of the debt securities of the Registrant and

2. Registration Statement on Form S-3 (File No. 333-144672) filed by the Registrant with the SEC on July 18, 2007, which was declared effective on September 4, 2007, registering (i) for offer and sale from time to time up to $42,841,260 of the Registrant's Common Stock, and (ii) for resale from time to time by the selling shareholders named in the Registration Statement on Form S-3 (File No. 333-144672) 1,589,067 shares of the Registrant's Common Stock.

The Registrants have terminated all offerings of their securities pursuant to the Registration Statements and are no longer issuing securities under the Registration Statements. In accordance with an undertaking made by the Registrants in the Registration Statements, as applicable, to remove from registration by means of a post-effective amendment any securities registered under the Registration Statements that remain unsold at the termination of the offerings, the Registrants hereby remove from registration any securities registered under the Registration Statements, as applicable, that remain unsold under the Registration Statements.

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#### SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-3 and has duly caused this Post-Effective Amendment to the Registration Statements to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of The Woodlands, State of Texas, on January 13, 2026.

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| | |
|:---|:---|
| **Gulf Island Fabrication, Inc.** | **Gulf Island Fabrication, Inc.** |
| By: | /s/ Richard W. Heo |
|  | Name: Richard W. Heo |
|  | Title: President, Chief Executive Officer and Chairman of the Board |

---

Note: No other person is required to sign this Post-Effective Amendment in reliance upon Rule 478 under the Securities Act of 1933, as amended.

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Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-3 and has duly caused this Post-Effective Amendment to the Registration Statement on Form S-3 (File No. 333-273975) to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of The Woodlands, State of Texas, on January 13, 2026.

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| | |
|:---|:---|
| **Gulf Island, L.L.C.** | **Gulf Island, L.L.C.** |
| By: | Gulf Island Fabrication, Inc. |
|  | its sole member |
| By: | /s/ Richard W. Heo |
|  | Name: Richard W. Heo |
|  | Title: President, Chief Executive Officer and Chairman of the Board |

---

Note: No other person is required to sign this Post-Effective Amendment in reliance upon Rule 478 under the Securities Act of 1933, as amended.

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Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-3 and has duly caused this Post-Effective Amendment to the Registration Statement on Form S-3 (File No. 333-273975) to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of The Woodlands, State of Texas, on January 13, 2026.

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| | |
|:---|:---|
| **Gulf Island Services, L.L.C.** | **Gulf Island Services, L.L.C.** |
| By: | Gulf Island Fabrication, Inc. |
|  | its manager and sole member |
| By: | /s/ Richard W. Heo |
|  | Name: Richard W. Heo |
|  | Title: President, Chief Executive Officer and Chairman of the Board |

---

Note: No other person is required to sign this Post-Effective Amendment in reliance upon Rule 478 under the Securities Act of 1933, as amended.

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