# EDGAR Filing Document

**Accession Number:** 0001031623
**File Stem:** 0001140361-26-001603
**Filing Date:** 2026-1
**Character Count:** 7058
**Document Hash:** d867a8313377ee44a18ef3f4bc85fef6
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-001603.hdr.sgml**: 20260120

**ACCESSION NUMBER**: 0001140361-26-001603

**CONFORMED SUBMISSION TYPE**: S-8 POS

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260120

**DATE AS OF CHANGE**: 20260120

**EFFECTIVENESS DATE**: 20260120

**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:** S-8 POS
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-273969
- **FILM NUMBER:** 26541303

**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

#### As filed with the U.S. Securities and Exchange Commission on January 20, 2026

#### Registration Statement No. 333-273969

#### Registration Statement No. 333-242337

#### Registration Statement No. 333-204158

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### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

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

### FORM S-8 REGISTRATION STATEMENT NO. 333-273969

#### FORM S-8 REGISTRATION STATEMENT NO. 333-242337

#### FORM S-8 REGISTRATION STATEMENT NO. 333-204158

#### UNDER THE SECURITIES ACT OF 1933

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## Gulf Island Fabrication, Inc.

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

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| | |
|:---|:---|
| **Louisiana** | **72-1147390** |
| **(State or other jurisdiction of incorporation or organization)** | **(I.R.S. Employer Identification Number)** |

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#### 2170 Buckthorne Place, Suite 420

#### The Woodlands, Texas 77380

#### (Address, including zip code, of registrants' principal executive offices)

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#### Second Amended and Restated 2015 Stock Incentive Plan

#### Amended and Restated 2015 Stock Incentive Plan

#### Gulf Island Fabrication, Inc. 2015 Stock Incentive Plan

#### (Full title of the plans)

#### <br>

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#### Richard W. Heo

#### SVP, General Manager

#### 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 :

#### Kelly C. Simoneaux

#### Jones Walker LLP

#### 201 St. Charles Avenue, Suite 5100

#### New Orleans, Louisiana 70170-5100
(504) 582-8000

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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 <br>| ☒ | 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 the Securities Act. ☐

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#### EXPLANATORY NOTE

#### DEREGISTRATION OF SECURITIES

This Post-Effective Amendment No. 1 (this "**Post-Effective Amendment**") to each of the following Registration Statements on Form S-8 (collectively, the "**Registration Statements**") of Gulf Island Fabrication, Inc. (the "**Registrant**") is being filed to terminate all offerings under the below listed Registration Statements and deregister any and all securities that remain unsold pursuant to the below listed Registration Statements.

1. Registration Statement on Form S-8 (File No. 333-273969), filed with the U.S. Securities and Exchange Commission (the "**SEC**") on August 14, 2023, registering the offer and sale of 1,000,000 shares of the Registrant's common stock, no par value per share (the "**Common Stock**"), issuable pursuant to the Second Amended and Restated 2015 Stock Incentive Plan;

<br> 2. Registration Statement on Form S-8 (File No. 333-242337), filed with the SEC on August 7, 2020, registering the offer and sale of 1,500,000 shares of the Registrant's Common Stock issuable pursuant to the Amended and Restated 2015 Stock Incentive Plan; and

<br> 3. Registration Statement on Form S-8 (File No. 333-204158), filed with the SEC on May 14, 2015, registering the offer and sale of 1,000,000 shares of the Registrant's Common Stock issuable pursuant to the Gulf Island Fabrication, Inc. 2015 Stock Incentive Plan.

On January 16, 2026 at 3:15 p.m. Central Time, pursuant to the Agreement and Plan of Merger, dated as of November 7, 2025 (the "**Merger Agreement**"), by and among the Registrant, IES Holdings, Inc., a Delaware corporation ("**IES**"), and IES Merger Sub, LLC, a Louisiana limited liability company and indirect wholly owned subsidiary of IES ("**Merger Sub**"), the Registrant merged with and into Merger Sub with the Registrant surviving the merger as the surviving corporation and indirect, wholly owned subsidiary of IES (the "**Merger**").

As a result of the Merger and transactions contemplated by the Merger Agreement, the Registrant has terminated all offerings of the Registrant's securities pursuant to the Registration Statements and is no longer issuing securities pursuant to the above-named plans. In accordance with the undertakings made by the Registrant in the Registration Statements 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 Registrant hereby removes from registration by means of this Post-Effective Amendment any securities registered under the Registration Statements that remain unsold as of the date hereof.<br>

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#### SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Post-Effective Amendment to the Registration Statements on Form S-8 to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of The Woodlands, State of Texas, on January 20, 2026.

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| | |
|:---|:---|
| **Gulf Island Fabrication, Inc.** | **Gulf Island Fabrication, Inc.** |
| By: | /s/ Richard W. Heo |
|  | Name: Richard W. Heo |
|  | Title: SVP, General Manager |

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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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