Company: FTCI
Filing Date: 2025-05-01
Form Type: 424B5
Source: 0001193125-25-109046
Chunk: 28

Company: FTC Solar, Inc.
Filing Date: 2025-05-01
Form: 424B5
Chunk 28
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 be a complete statement of the terms and conditions of the Sales Agreement. A copy of the Sales Agreement
will be filed as an exhibit to our Current Report on Form 8-K, to be filed with the SEC, and such agreement shall be incorporated by reference into the registration statement of which this prospectus supplement forms a part. See “Where You Can Find More Information” in this prospectus supplement for more information.

S-19

LEGAL MATTERS

The validity of the common stock being offered under this prospectus supplement by us will be passed upon for us by Pryor Cashman LLP of New
York, New York. Ellenoff Grossman & Schole LLP, New York, New York, is counsel to H.C. Wainwright & Co., LLC in connection with this offering.

EXPERTS

The consolidated financial statements of FTC Solar Inc. (the Company) as of December 31, 2024 and 2023 and for the years then ended
incorporated by reference in this Prospectus have been so incorporated in reliance on the report of BDO USA, P.C., an independent registered public accounting firm, given on the authority of said firm as experts in auditing and accounting. The
report on the consolidated financial statements contains an explanatory paragraph regarding the Company’s ability to continue as a going concern.

WHERE YOU CAN FIND MORE INFORMATION

We are subject to the reporting requirements of the Exchange Act and file annual, quarterly and current reports, proxy statements and other
information with the SEC. You may read and copy these reports, proxy statements and other information at the SEC’s website at www.sec.gov.

This prospectus supplement and the accompanying base prospectus are only part of a registration statement on Form S-3 that we have filed with
the SEC under the Securities Act and therefore omit certain information contained in the registration statement. We have also filed exhibits and schedules with the registration statement that are excluded from this prospectus supplement and the
accompanying base prospectus, and you should refer to the applicable exhibit or schedule for a complete description of any statement referring to any contract or other document. You may inspect a copy of the registration statement, including the
exhibits and schedules, without charge, at the public reference room or obtain a copy from the SEC upon payment of the fees prescribed by the SEC.

We also maintain a website at www.ftcsolar.com, through which you can access our SEC filings. The information set forth on our website
is not part of this prospectus supplement or the accompanying