# EDGAR Filing Document

**Accession Number:** 0000866829
**File Stem:** 0001140361-26-012502
**Filing Date:** 2026-4
**Character Count:** 2640
**Document Hash:** b60d694936372d90ef3b7f9c64cb26f0
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-012502.hdr.sgml**: 20260401

**ACCESSION NUMBER**: 0001140361-26-012502

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260401

**DATE AS OF CHANGE**: 20260401

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** HELIX ENERGY SOLUTIONS GROUP INC
- **CENTRAL INDEX KEY:** 0000866829
- **STANDARD INDUSTRIAL CLASSIFICATION:** OIL, GAS FIELD SERVICES, NBC [1389]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 953409686
- **STATE OF INCORPORATION:** MN
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-32936
- **FILM NUMBER:** 26824666

**BUSINESS ADDRESS:**
- **STREET 1:** 3505 W SAM HOUSTON NORTH
- **STREET 2:** SUITE 400
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77043
- **BUSINESS PHONE:** 281-618-0400

**MAIL ADDRESS:**
- **STREET 1:** 3505 W SAM HOUSTON NORTH
- **STREET 2:** SUITE 400
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77043

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CAL DIVE INTERNATIONAL INC
- **DATE OF NAME CHANGE:** 19960821

#### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

#### <br>

### SCHEDULE 14A INFORMATION

#### <br>

#### Proxy Statement Pursuant to Section 14(a) of the

#### Securities Exchange Act of 1934

#### <br>

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| | | |
|:---|:---|:---|
| Filed by the registrant ☒ | Filed by the registrant ☒ | Filed by a party other than the registrant ☐ |
| Check the appropriate box: | Check the appropriate box: | Check the appropriate box: |
| ☐ | Preliminary Proxy Statement |  |
| ☐ | **CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITTED BY RULE 14A-6(E)(2))** | **CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITTED BY RULE 14A-6(E)(2))** |
| ☐ | Definitive Proxy Statement |  |
| ☒ | Definitive Additional Materials |  |
| ☐ | Soliciting Material Pursuant to Section 240.14a-12 | Soliciting Material Pursuant to Section 240.14a-12 |

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## HELIX ENERGY SOLUTIONS GROUP, INC.

#### (Name of Registrant as Specified in Its Charter)

#### <br>

#### (Name of Person(s) Filing Proxy Statement, if other than the Registrant)

#### <br>

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| | |
|:---|:---|
| Payment of filing fee (check the appropriate box): | Payment of filing fee (check the appropriate box): |
| ☒ | No fee required. |
| ☐ | Fee paid previously with preliminary materials. |
| ☐ | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11. |

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