Spire Global, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Cover Page
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Stock-Based Compensation - Summary of Stock Option Activity (Detail)

v3.22.2.2

Stock-Based Compensation - Summary of Stock Option Activity (Detail) - 2012 Stock Option and Grant Plan [Member]	9 Months Ended	12 Months Ended
	Sep. 30, 2021 $ / shares shares	Dec. 31, 2020 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Stock Options outstanding at January 1, 2021 \| shares	19,618,953
Number of Stock Options Granted \| shares	4,676,898
Number of Stock Options Exercised \| shares	(799,901)
Number of Stock Options Forfeited, canceled, or expired \| shares	(1,325,349)
Number of Stock Options outstanding at September 30, 2021 \| shares	22,170,601	19,618,953
Number of Stock Options Vested and expected to vest at September 30, 2021 \| shares	22,170,601
Number of Stock Options Exercisable at September 30, 2021 \| shares	10,895,186
Weighted- Average Exercise Price Options outstanding at January 1, 2021 \| $ / shares	$ 1.78
Weighted- Average Exercise Price Granted \| $ / shares	4.9
Weighted- Average Exercise Price Exercised \| $ / shares	1.33
Weighted- Average Exercise Price Forfeited, canceled, or expired \| $ / shares	2.5
Weighted- Average Exercise Price Options outstanding at September 30, 2021 \| $ / shares	2.42	$ 1.78
Weighted- Average Exercise Price Vested and expected to vest at September 30, 2021 \| $ / shares	2.42
Weighted- Average Exercise Price Exercisable at September 30, 2021 \| $ / shares	$ 1.81
Weighted- Average Remaining Contractual Term Options outstanding	7 years 6 months	7 years 10 months 24 days
Weighted- Average Remaining Contractual Term Vested and expected to vest at September 30, 2021	7 years 6 months
Weighted- Average Remaining Contractual Term Exercisable at September 30, 2021	6 years 1 month 6 days

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