Company: FTCI
Filing Date: 2025-05-22
Form Type: 424B5
Source: 0001193125-25-125092
Chunk: 5

Company: FTC Solar, Inc.
Filing Date: 2025-05-22
Form: 424B5
Chunk 5
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 those projected in the forward-looking statements.

In addition, statements that “we believe” and similar
statements reflect our beliefs and opinions on the relevant subject. These statements are based upon information available to us as of the date of this prospectus supplement or the accompanying prospectus, and while we believe such information forms
a reasonable basis for such statements, such information may be limited or incomplete, and our statements should not be read to indicate that we have conducted an exhaustive inquiry into, or review of, all potentially available relevant information.
These statements are inherently uncertain and investors are cautioned not to unduly rely upon these statements.

You should read this
prospectus supplement, the accompanying prospectus and the documents incorporated by reference herein and therein with the understanding that our actual future results, levels of activity, performance and achievements may be materially different
from what we expect. All forward-looking statements attributable to us or persons acting on our behalf are expressly qualified in their entirety by these cautionary statements.

These forward-looking statements speak only as of the date of this prospectus supplement or, in the case of the accompanying prospectus or
documents incorporated by reference, the date of any such document. Except as required by applicable law, we do not plan to publicly update or revise any forward-looking statement, whether as a result of any new information, future events or
otherwise.

S-iii

PROSPECTUS SUPPLEMENT SUMMARY

The following summary of our business highlights some of the information contained elsewhere in or incorporated by reference into this prospectus supplement and accompanying base prospectus. Because this is only a summary, however, it does not contain all of the information that may be important to you. You should carefully read this prospectus supplement and the accompanying base prospectus, including the section in this prospectus supplement entitled “Risk Factors” and the documents incorporated by reference herein and therein, which are described under “Where You Can Find Additional Information” and “Incorporation of Certain Information by Reference” in this prospectus supplement and accompanying base prospectus.

Overview

FTC Solar, Inc. was founded in 2017 and is incorporated in the state of Delaware. In April 2021, we completed an initial public offering
(“IPO”), and our common stock currently trades on the Nasdaq Capital Market under the symbol “FTCI”.

We are a global
provider of solar tracker systems, supported by proprietary software and value-added engineering services. Solar tracker systems move solar panels throughout the day to maintain an optimal orientation relative to the sun, thereby