Company: HLX
Filing Date: 2025-10-28
Form Type: S-3ASR
Source: 0001140361-25-039546
Chunk: 29

Company: HELIX ENERGY SOLUTIONS GROUP INC
Filing Date: 2025-10-28
Form: S-3ASR
Chunk 29
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 into unit agreements with a unit agent. Each unit agent will be a bank or trust company that we select. You should read the particular terms of these documents, which will be described in more detail in a prospectus supplement. We will file the any unit agreement or the form thereof, including the form of unit certificate, with the SEC, and you should read these documents for provisions that may be important to you. See “Where You Can Find More Information.” If we offer any units, certain terms of that series of units will be described in a prospectus supplement, including, without limitation, the following, as applicable:

| • | the title of the series of units; |

| • | identification and description of the separate constituent securities comprising the units; |

| • | the price or prices at which the units will be issued; |

| • | the date, if any, on and after which the constituent securities comprising the units will be separately transferable; |

| • | if appropriate, a discussion of material United States federal income tax considerations; and |

| • | any other terms of the units and their constituent securities. |

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TABLE OF CONTENTS

PLAN OF DISTRIBUTION We or the selling shareholders may sell the securities on a delayed or continuous basis in and outside the United States through the methods described below or through any other method permitted pursuant to applicable law, including through a combination of such methods. A prospectus supplement, if required, will set forth any required information such as the terms of the offering and the method of distribution and will include the following information:

| • | the name or names of any underwriters or agents; |

| • | the purchase price of the securities from us or the selling shareholders; |

| • | the net proceeds to us or the selling shareholders from the sale of the securities; |

| • | any over-allotment options under which underwriters may purchase additional securities from us or the selling shareholders; |

| • | any underwriting discounts, commissions and other items constituting compensation to underwriters, dealers or agents; |

| • | any public offering price; |

| • | any discounts or concessions allowed or reallowed or paid to dealers; and |

| • | any securities exchange or market on which the securities offered in a prospectus supplement may be listed. |

Sale Through Underwriters or Dealers If we or the selling shareholders use underwriters in the sale of securities, the underwriters will acquire the securities for their own account. The underwriters may resell the securities from time