Spire Global investors back exec pay, auditors

Spire Global, Inc. is amending its S-1 prospectus to register 3,162,500 shares of Class A common stock by way of Prospectus Supplement No. 3.

Accepted by SEC EDGAR 05/28/2026 - 05:01 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Spire Global, Inc. is amending its S-1 prospectus to register 3,162,500 shares of Class A common stock by way of Prospectus Supplement No. 3. The supplement incorporates the Company’s Form 8-K dated May 28, 2026 and updates the prospectus information.

The supplement notes the Company’s NYSE ticker SPIR and a reported last sale price of $25.48 per share on May 27, 2026. The Form 8-K also reports the results of the Company’s 2026 annual meeting, including the election of Class II directors, advisory approval of executive compensation, and ratification of KPMG LLP as the independent registered public accounting firm.

Insights

Corporate Governance Specialist

Annual meeting outcomes: directors elected and advisory proposals approved.

The filing records the election of Class II directors with vote totals for each nominee and shows an advisory (non-binding) approval of named executive officer compensation. These are routine corporate governance outcomes that confirm shareholder support for current board composition and pay policy.

Because the compensation vote is advisory and the director elections were certified, subsequent disclosures in proxy statements or Form 8-Ks would provide any material changes; current filings present no controlling change to corporate governance.

Capital Markets / Securities Specialist

Prospectus supplement registers 3,162,500 shares of Class A common stock.

The supplement to the S-1 expressly registers 3,162,500 shares of Class A common stock and incorporates the Company’s Form 8-K. The document cites the NYSE ticker and a last reported sale price of $25.48 per share as of May 27, 2026.

Cash‑flow treatment and use of proceeds are not described in the excerpt; subsequent prospectus pages or a prospectus supplement section would state whether proceeds accrue to the issuer.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Prospectus Supplement No. 3 for SPIR register?

It registers 3,162,500 shares of Class A common stock under the S-1 registration statement. The supplement updates the Prospectus and incorporates the Company’s Form 8-K filed May 28, 2026.

Does the supplement state the offering price for SPIR shares?

No, the supplement does not state an offering price. It does note a last reported sale price of $25.48 for SPIR on May 27, 2026, but no offering price or price range is provided in the excerpt.

What corporate actions were reported in the Form 8-K included with the supplement?

The Form 8-K reports the 2026 annual meeting results: election of Class II directors, advisory approval of named executive officer compensation, and ratification of KPMG LLP as auditor for fiscal year 2026.

Was the advisory vote on executive compensation approved for SPIR?

Yes, the stockholders approved the advisory (non-binding) vote on named executive officer compensation with 21,214,112 votes for versus 4,407,288 votes against, plus abstentions and broker non-votes as reported.

Who were the Class II director nominees and their vote totals?

The nominees listed are William Porteous with 21,486,971 votes for (and 5,022,430 withheld; broker non-votes 8,832,979) and Toni Rinow with 26,448,344 votes for (and 61,057 withheld; broker non-votes 8,832,979).

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Filed Pursuant to Rule 424(b)(3)

Registration No. 333-286800

PROSPECTUS SUPPLEMENT NO. 3

(to Prospectus dated April 21, 2026)

SPIRE GLOBAL, INC.

3,162,500 Shares of Class A Common Stock

This prospectus supplement amends and supplements the prospectus dated April 21, 2026 (as supplemented or amended from time to time, the “Prospectus”), which forms a part of our Registration Statement on Form S-1 (No. 333-286800).

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, filed with the Securities and Exchange Commission on May 28, 2026 (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 the New York Stock Exchange (“NYSE”) under the symbol “SPIR.” On May 27, 2026, the last quoted sale price for our Class A common stock as reported on NYSE was $25.48 per share.

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 5 of the Prospectus.

You should rely only on the information contained in the Prospectus, this prospectus supplement and any other prospectus supplement or amendment hereto. We have not authorized anyone to provide you with different information.

NEITHER THE SECURITIES AND EXCHANGE COMMISSION NOR ANY STATE SECURITIES COMMISSION HAS APPROVED OR DISAPPROVED OF THESE SECURITIES OR DETERMINED IF THIS PROSPECTUS IS TRUTHFUL OR COMPLETE. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

The date of this prospectus is May 28, 2026

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): May 27, 2026

SPIRE GLOBAL, INC.

(Exact name of registrant as specified in its charter)

Delaware			001-39493	85-1276957
(State or other jurisdiction of incorporation)			(Commission File Number)	(IRS Employer Identification No.)
8000 Towers Crescent Drive Suite 1100
Vienna, Virginia				22182
(Address of principal executive offices)				(Zip code)

Registrant’s telephone number, including area code: (202) 301-5127

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐		Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐		Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐		Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐		Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Class A common stock, par value of $0.0001 per share		SPIR		The New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.07 Submission of Matters to a Vote of Security Holders.

On May 27, 2026, Spire Global, Inc. (the “Company”) held its 2026 annual meeting of stockholders (the “Annual Meeting”), at which the proposals, as described in more detail in the Company’s definitive proxy statement filed with the Securities and Exchange Commission on April 13, 2026, were presented. The voting results for each of the proposals considered at the Annual Meeting are provided below.

1. Election of Directors

The stockholders elected the following nominees as Class II directors to serve on the Company’s board of directors until the Company’s 2029 annual meeting of stockholders and until their successors are duly elected and qualified.

Nominee		Votes For		Votes Withheld		Broker Non-Votes
William Porteous		21,486,971		5,022,430		8,832,979
Toni Rinow		26,448,344		61,057		8,832,979

2. Frequency of Future Votes on Named Executive Officer Compensation

In an advisory (non-binding) vote, the stockholders voted as follows with respect to the frequency of future stockholder advisory votes on the compensation paid to the Company’s named executive officers:

One Year		Two Years		Three Years		Abstentions		Broker Non-Votes
26,069,947		109,001		47,155		283,298		8,832,979

3. Named Executive Officer Compensation

The stockholders approved, in an advisory (non-binding) vote, the compensation paid to the Company’s named executive officers.

Votes For		Votes Against		Abstentions		Broker Non-Votes
21,214,112		4,407,288		888,001		8,832,979

4. Registered Public Accounting Firm

The stockholders ratified the appointment of KPMG LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026.

Votes For		Votes Against		Abstentions
35,308,447		27,349		6,584

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

			SPIRE GLOBAL, INC.
Date:	May 28, 2026	By:	/s/ Alison Engel
		Name: Title:	Alison Engel Chief Financial Officer