Filed Pursuant to Rule 424(b)(3)
Registration No. 333-259733
PROSPECTUS SUPPLEMENT NO. 6
(to Prospectus dated
September 30, 2021)
SPIRE GLOBAL, INC.
61,883,713 Shares of Class A Common Stock
6,600,000 Warrants to Purchase Class A Common Stock
18,099,992 Shares of Class A Common Stock Underlying Warrants
This prospectus supplement amends and supplements the prospectus dated September 30, 2021 (as supplemented or amended from time to time, the
Prospectus), which forms a part of our Registration Statement on Form S-1 (No. 333-259733).
This prospectus supplement is being filed to update and supplement the information in the Prospectus with the information contained in our Current Report on Form 8-K/A, filed with the Securities and Exchange Commission on December 20, 2021 (the Current Report). Accordingly, we have attached the Current Report to this prospectus supplement.
This prospectus supplement updates and supplements the information in the Prospectus and is not complete without, and may not be delivered or utilized
except in combination with, the Prospectus, including any amendments or supplements thereto. This prospectus supplement should be read in conjunction with the Prospectus and if there is any inconsistency between the information in the Prospectus and
this prospectus supplement, you should rely on the information in this prospectus supplement.
Our Class A common stock is traded on NYSE under the
symbol SPIR. Our public warrants are traded on the NYSE under the symbol SPIR.WS and, after resale, our private placement warrants will also trade under the same ticker symbol as the public warrants. On December 17,
2021, the last quoted sale price for our Class A common stock as reported on NYSE was $3.55 and the last reported sale price of our public warrants was $0.48.
We are an emerging
growth company, as defined under the federal securities laws, and, as such, may elect to comply with certain reduced public company reporting requirements for future filings.
Investing in our securities involves a high degree of risk. Before buying any securities, you should carefully read the discussion of the risks of
investing in our securities in the section titled Risk Factors beginning on page 10 of the Prospectus.
You should rely only on the information contained in the Prospectus and this prospectus supplement or amendment hereto. We have not authorized anyone to
provide you with different information.
Neither the Securities Exchange Commission nor any state securities commission has approved or disapproved
of these securities or determined if the Prospectus is truthful or complete. Any representation to the contrary is a criminal offense.
The date of
this prospectus supplement is December 20, 2021.