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SPIR 424B3: SEC filing

Spire Global

Filed with the SEC on · accession 0001193125-26-338282

SPIR filed a 424B3 (prospectus (offering)) with the SEC on Aug 6, 2026. The final terms of an offering of shares or bonds. The stock moved +3.7% by the first close after the filing.

Summary of the filing

Spire Global filed a prospectus supplement to register 3,162,500 shares of Class A common stock, and disclosed in an 8-K/A that its board determined to hold an advisory vote on executive compensation every one year following the 2026 annual meeting.

For details, click here →How to read a 424B3 →

Key details

Shares of Class A Common Stock offered$3.2M
Last quoted sale price per share on August 4, 2026$13
FilerSpire Global, Inc.
Chief financial officerAlison Engel

How SPIR stock reacted

Close before

$12.90

Aug 5, 2026

First close after

+3.72%

$13.38

5 trading days

+14.26%

$14.74

Since filing

-27.52%

$9.35

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Frequently asked questions

What did SPIR file with the SEC on Aug 6, 2026?

SPIR filed a 424B3 (SEC filing). Spire Global filed a prospectus supplement to register 3,162,500 shares of Class A common stock, and disclosed in an 8-K/A that its board determined to hold an advisory vote on executive compensation every one year following the 2026 annual meeting.

How do I read a 424B3?

The final terms of an offering of shares or bonds. Look at price, number of shares and the discount to the market price. Large offerings dilute existing shareholders.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 424B3 (prospectus (offering)): The final terms of an offering of shares or bonds.

How did SPIR stock react to this filing?

SPIR closed at $12.90 before the filing and $13.38 on Aug 6, 2026 (+3.72%). Five trading days later: $14.74 (+14.26%).

Other SPIR SEC filings

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