XOMA Corporation Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation (Tables)

Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2021

Stock-based Compensation

Weighted Average Assumptions


		Three Months Ended June 30,					Six Months Ended June 30,
		2021		2020			2021		2020
Dividend yield		0	%	0	%		0	%	0	%
Expected volatility		76	%	100	%		94	%	100	%
Risk-free interest rate		1.06	%	0.40	%		0.77	%	0.77	%
Expected term		6.00 years		5.93 years			5.68 years		5.66 years

Stock Option Activity


					Weighted			Weighted
					Average			Average			Aggregate
					Exercise			Contractual			Intrinsic
		Number of			Price			Term			Value
		shares			Per Share			(in years)			(in thousands)
Outstanding at January 1, 2021			1,827,906		$	20.66			6.31		$	51,401
Granted			176,429			37.62
Exercised			(73,575)			13.35
Forfeited, expired or cancelled			(57,115)			71.26
Outstanding at June 30, 2021			1,873,645		$	21.00			6.19		$	33,125
Exercisable at June 30, 2021			1,535,686		$	19.37			5.58		$	30,459

Stock-based Compensation Expense

The following table shows total stock-based compensation expense for stock options and ESPP in the condensed consolidated statements of operations and comprehensive loss (in thousands):


		Three Months Ended June 30,						Six Months Ended June 30,
		2021			2020			2021			2020
Research and development		$	—		$	—		$	—		$	—
General and administrative			768			773			3,666			2,561
Total stock-based compensation expense		$	768		$	773		$	3,666		$	2,561