v3.25.3

Stockholders' Equity - Summary of Restricted Stock Units (Details) - Restricted Stock Units (RSUs)	9 Months Ended
	Sep. 30, 2025 $ / shares shares
Class Of Stock [Line Items]
Number of Outstanding Shares, Beginning Balance \| shares \| shares	1,553,000
Number of Shares, Granted \| shares	1,863,000
Number of Shares, Vested \| shares	(644,995)
Number of Shares, Forfeited \| shares	(248,005)
Number of Outstanding Shares, Ending Balance \| shares \| shares	2,523,000
Weighted Average Grant Date Fair Value, Beginning Balance \| $ / shares	$ 2.48
Weighted Average Grant Date Fair Value, Granted \| $ / shares	0.32
Weighted Average Grant Date Fair Value, Vested \| $ / shares	2.36
Weighted Average Grant Date Fair Value, Forfeited \| $ / shares	1.09
Weighted Average Grant Date Fair Value, Ending Balance \| $ / shares	$ 1.05

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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BioAtla, Inc. 10-Q