Spire Global, Inc. (SPIR) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Medium Risk
Moderate dilution risk
Last updated: May 14, 2026

Risk Assessment Details

Potential Dilution: 3.12% of current shares
Recent Dilution: 595.56% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
39M
Potential Supply
1.2M
Additional shares possible
Splits
None
Past 2 years

Summary

SPIR currently has 38.7M outstanding shares. with limited dilution risk as only 1.21M additional shares (3.1%) are authorized for issuance. The company has significantly diluted shareholders by 595.56% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 14, 2026

10-Q filing | 38.7M shares outstanding

39M 1.2M
Apr 13, 2026

POS AM filing: This prospectus relates to the resale by the selling stockholders identified in this prospectus of up to 3,162,500 shares of our Class A common stock, par value $0.0001 per share, that are currently outstanding.

32M 1.2M
Apr 10, 2026

8-K filing: Spire Global, Inc. entered into a securities purchase agreement for the private placement of 5,000,000 shares of its Class A common stock at $14.00 per share, resulting in gross proceeds of $70.0 million, which closed on April 10, 2026. ($70.0M proceeds)

32M 6.2M
Mar 19, 2026

10-K filing | 32.0M shares outstanding

32M 6.2M
Dec 17, 2025

10-Q filing | 32.5M shares outstanding

33M 6.2M
May 14, 2025

10-Q filing | 31.1M shares outstanding

31M 6.2M
Apr 28, 2025

S-1 filing: This S-1 filing is for the registration of 5,000,000 shares of Class A common stock for resale by selling stockholders, including shares currently outstanding and shares issuable upon exercise of pre-funded warrants.

4.8M 6.2M
Mar 31, 2025

10-K filing | 31.0M shares outstanding

31M 1.2M
Mar 17, 2025

8-K filing: Spire Global, Inc. entered into a securities purchase agreement for a private placement of 4,843,750 shares of Class A common stock at $8.00 per share and pre-funded warrants to purchase 156,250 shares of Common Stock at $7.9999 per Pre-Funded Warrant, with aggregate gross proceeds of $40.0 million, which closed on March 14, 2025. ($40.0M proceeds)

24M 1.2M
Mar 03, 2025

10-Q filing | 24.9M shares outstanding

25M 1.2M
Mar 03, 2025

10-Q filing | 24.5M shares outstanding

24M 1.2M
May 15, 2024

10-Q filing | 24.3M shares outstanding

24M 1.2M
Apr 25, 2024

S-3/A filing: This is an S-3/A filing related to a shelf registration statement for securities of Spire Global, Inc.

22M 1.2M
Mar 08, 2024

S-3 filing: Resale of 833,333 shares of Class A common stock by selling stockholder.

22M 1.2M
Mar 06, 2024

10-K filing | 22.1M shares outstanding

22M 380K
Feb 08, 2024

8-K filing: Spire Global, Inc. closed a private placement on February 8, 2024, issuing 833,333 shares of Class A common stock to Signal Ocean Ltd at $12.00 per share, resulting in gross proceeds of $10.0 million. ($10.0M proceeds)

21M 380K
Nov 08, 2023

10-Q filing | 20.8M shares outstanding

21M 380K
Oct 02, 2023

8-K filing: Spire Global, Inc. entered into a Waiver and Amendment No. 2 to Financing Agreement with Blue Torch Finance LLC and certain lenders, amending the Financing Agreement, and issued warrants to affiliates of Blue Torch exercisable for 597,082 shares of Class A common stock at $5.44 per share and amended warrants exercisable for 437,024 shares of Class A common stock, reducing the exercise price to $5.44 per share.

21M 380K
Aug 31, 2023
Stock Split

8-K filing: Stock split 1-for-8 | Outstanding: 165,457,085 → 20,682,135

21M 47K
Aug 09, 2023

10-Q filing | 165.5M shares outstanding

170M 3M
May 10, 2023

10-Q filing | 144.8M shares outstanding

140M 3M
Mar 20, 2023

8-K filing: Spire Global, Inc. is seeking validation of its New Charter in the Delaware Court of Chancery due to uncertainty regarding the required stockholder votes for its approval, which could materially impact the company's capitalization and ability to conduct equity financing transactions.

140M 3M
Mar 15, 2023

10-K filing | 139.9M shares outstanding

140M 3M
Dec 08, 2022

POS AM filing: This is a POS AM filing for Spire Global, Inc. relating to the resale of Class A common stock and private placement warrants by selling securityholders and the issuance of Class A common stock upon exercise of warrants.

140M 3M
Nov 22, 2022

POS AM filing: This prospectus relates to the resale of shares of Class A common stock and warrants by selling securityholders, as well as the issuance of shares of Class A common stock upon the exercise of warrants.

140M 3M
Nov 10, 2022

10-Q filing | 139.9M shares outstanding

140M 3M
Nov 09, 2022

POS AM filing: This prospectus relates to the resale of shares of Class A common stock and private placement warrants, and the issuance of shares of Class A common stock upon the exercise of warrants.

140M 3M
Sep 14, 2022

S-3 filing: Spire Global, Inc. files an S-3 registration statement for the potential issuance of various securities, including Class A common stock, preferred stock, depositary shares, and debt securities, with an aggregate offering price not to exceed $180,000,000, and an additional ATM offering of Class A common stock up to $85,000,000 through Canaccord.

140M 3M
Aug 10, 2022

10-Q filing | 139.9M shares outstanding

140M 3M
Jun 14, 2022

8-K filing: Spire Global, Inc. issued warrants to affiliates of lenders for 3,496,205 shares and to Urgent Capital LLC for 198,675 shares of common stock, both with an exercise price of $2.01 per share, in connection with a $120 million financing agreement.

140M 3M
May 11, 2022

10-Q filing | 139.6M shares outstanding

140M 3M
Mar 31, 2022

POS AM filing: This prospectus relates to the resale of shares of Class A common stock and warrants and the issuance of shares of Class A common stock upon exercise of warrants.

140M 3M
Mar 30, 2022

10-K filing | 139.5M shares outstanding

140M 90M
Nov 10, 2021

10-Q filing | 133.8M shares outstanding

130M 90M
Sep 23, 2021

S-1 filing: This prospectus relates to the resale of shares of Class A common stock and warrants, as well as the issuance of shares of Class A common stock upon the exercise of warrants, to satisfy certain registration rights.

23M 90M
Aug 12, 2021

10-Q filing | 23.0M shares outstanding

23M 3M
May 24, 2021

10-Q filing | 23.0M shares outstanding

23M 3M
Mar 29, 2021

10-K filing | 23.0M shares outstanding

23M 3M
Nov 13, 2020

10-Q filing | 23.0M shares outstanding

23M 3M
Oct 29, 2020

8-K filing: Holders of NavSight Holdings, Inc.'s public units may elect to separately trade the shares of Class A common stock and warrants included in the units commencing on November 2, 2020.

23M 3M
Oct 06, 2020

10-Q filing | 23.0M shares outstanding

23M 3M
Sep 18, 2020

8-K filing: NavSight Holdings, Inc. consummated its initial public offering of 23,000,000 units at $10.00 per Unit, generating gross proceeds of $230,000,000 and completed the private sale of 6,600,000 warrants at $1.00 per Private Placement Warrant, generating gross proceeds of $6,600,000. ($236.6M proceeds)

5M 3M
Sep 14, 2020

8-K filing: NavSight Holdings, Inc. consummated its initial public offering of 23,000,000 units at $10.00 per unit, generating gross proceeds of $230,000,000, and completed the private sale of 6,600,000 warrants to Six4 Holdings, LLC at $1.00 per warrant, generating gross proceeds of $6,600,000. ($236.6M proceeds)

5M 3M
Sep 10, 2020

8-K filing: NavSight Holdings, Inc. announced the pricing of its initial public offering of 20,000,000 units at $10.00 per unit, with each unit consisting of one share of Class A common stock and one-half of one redeemable warrant. ($200.0M proceeds)

5M 3M
Sep 08, 2020

S-1/A filing: This S-1/A filing amends a previous registration statement, primarily to update exhibits and address auditor consent requirements.

5M 3M
Aug 05, 2020

S-1/A filing: NavSight Holdings, Inc. is a blank check company planning an initial public offering of 20,000,000 units, each with a price of $10.00, consisting of one share of Class A common stock and one-half of one redeemable warrant.

5M 26M
Jul 24, 2020

S-1 filing: NavSight Holdings, Inc. is a blank check company formed to effect a merger, capital stock exchange, asset acquisition, stock purchase, reorganization or similar business combination with one or more businesses or entities. They are offering 20,000,000 units at $10.00 per unit.

5.8M 26M
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