Net Income (Loss) Per Share (Tables)

3 Months Ended

Mar. 31, 2026

Earnings Per Share [Abstract]

Schedule of Computation of Basic and Diluted Net Income (Loss) per Share

The following table sets forth the computation of basic and diluted net income (loss) per share (in thousands, except for per share data):


		Three Months Ended March 31,
		2026				2025
Amounts used for basic and diluted per share calculations:
Net income (loss) attributable to Agenus Inc. common stockholders		$	39,172			$	(25,320	)

Weighted average number of Agenus Inc. common shares outstanding - basic			37,941				24,469

Effect of potentially dilutive securities:
Share based compensation awards			341				—
Warrants			3				—
Weighted average number of Agenus Inc. common shares outstanding - diluted			38,285				24,469

Net income (loss) attributable to Agenus Inc. per common share:
Basic		$	1.03			$	(1.03	)
Diluted		$	1.02			$	(1.03	)

Schedule of Anti-dilutive Securities Excluded from Computation of Diluted Weighted Average Shares Outstanding

The following securities (listed on an as-if-converted-to-Common-Stock basis) have been excluded from the computation of diluted weighted average shares outstanding as of March 31, 2026 and 2025, as they would be anti-dilutive (in thousands):


		Three Months Ended March 31,
		2026				2025
Warrants			1,029				1,032
Stock options			4,622				5,193
Non-vested shares			4				44
Series A-1 convertible preferred stock			17				17