Spire Global, Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Stock Based Compensation - Summary of Restricted Stock Units Activity (Detail)

Stock Based Compensation - Summary of Restricted Stock Units Activity (Detail) - Restricted Stock Units (RSUs)	3 Months Ended
	Mar. 31, 2026 $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Shares, Beginning Balance	2,622,092
Number of Shares, granted	1,218,366
Number of Shares, vested	(419,079)
Number of Shares, forfeited	(176,633)
Number of Shares, Ending Balance	3,244,746
Weighted Average Grant Date Fair Value per Share, Beginning Balance \| $ / shares	$ 10.19
Weighted Average Grant Date Fair Value per Share, Ending Balance \| $ / shares	$ 10.38

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details