Company: FTCI
Filing Date: 2025-05-01
Form Type: S-3
Source: 0001193125-25-109056
Chunk: 3

Company: FTC Solar, Inc.
Filing Date: 2025-05-01
Form: S-3
Chunk 3
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 is not an offer to sell these securities and it is not a solicitation of an offer to buy these securities in any jurisdiction where the offer or sale is not permitted.

Subject to Completion, dated May 1, 2025

PROSPECTUS

$65,000,000 Common Stock, Preferred Stock, Debt Securities, Warrants by FTC Solar, Inc.

FTC Solar, Inc. may offer and sell from time to time in one or more offerings (i) common stock, (ii) preferred stock,
(iii) debt securities, which may be senior or subordinated and convertible or non-convertible, and (iv) warrants to purchase shares of our common stock, shares of our preferred stock or our debt
securities. The aggregate offering price of all securities sold by us under this prospectus may not exceed $65,000,000.

This prospectus
provides you with a general description of the securities and the general manner in which we may offer or sell the applicable securities. If required, more specific terms of the securities will be provided in an accompanying prospectus supplement
that describes, among other things, the specific amounts and prices of the securities being offered and the terms of the offering. For general information about the distribution of securities offered by us, see “Plan of Distribution for Securities Offered by Us.” Theaccompanying prospectus supplement may also add, update or change information contained in this prospectus. You should read this prospectus and any accompanying prospectus supplement before you
invest.

Our common stock is listed on The Nasdaq Global Market (“Nasdaq”) under the symbol “FTCI.” On April 29,
2025, the last reported sale price of our common stock as reported on Nasdaq was $3.42 per share.

We are an “emerging growth
company,” as defined in Section 2(a) of the Securities Act of 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 11 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