Company: FTCI
Filing Date: 2025-05-01
Form Type: 424B5
Source: 0001193125-25-109046
Chunk: 31

Company: FTC Solar, Inc.
Filing Date: 2025-05-01
Form: 424B5
Chunk 31
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 1933, as amended (the “Securities Act”), and will be subject to reduced public company reporting requirements. This prospectus complies with the requirements that apply to an issuer
that is an emerging growth company.

Investing in our securities involves a high degree of risk. See “ Risk Factors” on page 5 of this prospectus and any similar section included in any accompanying prospectus supplement and in the documents incorporated by reference in this prospectus. You should carefully consider these factors before making your investment decision.

Neither the SEC nor any other regulatory body has approved or disapproved of these securities or passed upon the adequacy or accuracy of this prospectus. Any representation to the contrary is a criminal offense.

Prospectus dated July 7, 2022

TABLE OF CONTENTS

|                                                           |     | Page |    |
| ABOUT THIS PROSPECTUS                                     |     |      |  1 |
| PROSPECTUS SUMMARY                                        |     |      |  3 |
| RISK FACTORS                                              |     |      |  5 |
| CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS |     |      |  6 |
| USE OF PROCEEDS                                           |     |      |  7 |
| SELLING STOCKHOLDERS                                      |     |      |  8 |
| DESCRIPTION OF CAPITAL STOCK                              |     |      |  9 |
| DESCRIPTION OF DEBT SECURITIES                            |     |      | 16 |
| DESCRIPTION OF WARRANTS                                   |     |      | 19 |
| PLAN OF DISTRIBUTION FOR SECURITIES OFFERED BY US         |     |      | 20 |
| PLAN OF DISTRIBUTION FOR SHARES OFFERED BY SELLING        
 STOCKHOLDERS                                              |     |      | 22 |
| LEGAL MATTERS                                             |     |      | 24 |
| EXPERTS                                                   |     |      | 24 |
| WHERE YOU CAN FIND MORE INFORMATION; INCORPORATION BY     
 REFERENCE                                                 |     |      | 25 |

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ABOUT THIS PROSPECTUS

General

This prospectus is part of a
registration statement that we filed with the SEC using a “shelf” registration process. Under this shelf registration process, we may offer and sell from time to time the securities described in this prospectus in one or more offerings for
an aggregate offering price of up to $250,000,000. This prospectus only provides you with a general description