Condensed Consolidated Statements of Stockholders’ Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2023		47,369,000
Beginning balance at Dec. 31, 2023	$ 43,503	$ 5	$ 657,232	$ (613,734)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	6,397		6,397
Issuance of shares upon exercise of stock options (in shares)		1,865,000
Issuance of shares upon exercise of stock options	40,378		40,378
Net loss	(78,710)			(78,710)
Ending balance (in shares) at Mar. 31, 2024		49,234,000
Ending balance at Mar. 31, 2024	$ 11,568	$ 5	704,007	(692,444)
Beginning balance (in shares) at Dec. 31, 2024	14,475,904	14,476,000
Beginning balance at Dec. 31, 2024	$ 133,584	$ 1	239,715	(106,132)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	2,450		2,450
Issuance of warrants in connection with 2025 Loan Agreement	1,720		1,720
Net loss	$ (43,311)			(43,311)
Ending balance (in shares) at Mar. 31, 2025	14,475,904	14,476,000
Ending balance at Mar. 31, 2025	$ 94,443	$ 1	$ 243,885	$ (149,443)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details

- Definition

Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.

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+ Details

Inhibrx Biosciences, Inc. 10-Q