SPIR 424B3: Secondary offering
Spire Global, Inc.
Filed with the SEC on · accession 0001193125-26-347892
SPIR filed a 424B3 (prospectus (offering)) with the SEC on Aug 13, 2026. The final terms of an offering of shares or bonds. The stock moved -5.4% by the first close after the filing.
Summary of the filing
Spire Global, Inc. filed a prospectus supplement to register 5,000,000 shares of Class A common stock for sale, updating the prospectus with its quarterly report for the period ended June 30, 2026.
Key details
How SPIR stock reacted
Close before
$14.74
Aug 12, 2026
First close after
-5.43%
$13.94
5 trading days
-7.06%
$13.70
Since filing
-36.57%
$9.35
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Click hereFrequently asked questions
What did SPIR file with the SEC on Aug 13, 2026?
SPIR filed a 424B3 (Secondary offering). Spire Global, Inc. filed a prospectus supplement to register 5,000,000 shares of Class A common stock for sale, updating the prospectus with its quarterly report for the period ended June 30, 2026.
What does a secondary offering mean for SPIR stock?
New shares dilute existing holders and are often sold at a discount to the market price.
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 $14.74 before the filing and $13.94 on Aug 13, 2026 (-5.43%). Five trading days later: $13.70 (-7.06%).
Other SPIR SEC filings
- 8-K · SEC filingNov 10, 2026
- 424B3 · Shelf registrationNov 10, 2026
- 424B3 · Shelf registrationNov 10, 2026
- 424B3 · Secondary offeringAug 13, 2026
- 10-Q · SEC filingAug 13, 2026
- 8-K · SEC filingAug 12, 2026
- 8-K · SEC filingAug 6, 2026
- 424B3 · SEC filingAug 6, 2026
- 424B3 · Secondary offeringAug 6, 2026
- 424B3 · Legal settlementAug 5, 2026
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